Tj ET 0 g BT 18.00 126.15 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT 59.40 126.15 Td 0 Tw <202020446F73653A203230204D472F4B47>Tj ET 0 g BT 18.00 114.55 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT 59.40 114.55 Td 0 Tw 0000040679 00000 n endobj >> 18.00 752.55 Td 0 Tw <202020202020>Tj ET 0 g BT 18.00 740.95 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT 59.40 740.95 Td 0 Tw <2020202020202020202020202020202020202020204D4154455249414C205341464554592044415441205348454554>Tj ET 0 g BT 18.00 729.35 Td 17 0 obj /Info 31 0 R >> [6] It is derived from the mineral chromite, (Fe,Mg)Cr2O4. 0000000052 00000 n Chromium dioxide or chromium(IV) oxide is an inorganic compound with the formula CrO 2.It is a black synthetic magnetic solid. /Contents 13 0 R 0 0 0.753 rg BT 59.40 508.95 Td 0 Tw <53656374696F6E2032202D20436F6D706F736974696F6E2F496E666F726D6174696F6E206F6E20496E6772656469656E74>Tj ET q 0 0 0 RG 0.55 w 59.40 500.25 m 549.30 500.25 l S Q 0 g BT 18.00 497.35 Td 0 Tw <202020202020>Tj ET 0 g BT 18.00 253.75 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT 59.40 253.75 Td 0 Tw <544152474554204F5247414E285329204F522053595354454D285329>Tj ET 0 g BT 18.00 242.15 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT 59.40 242.15 Td 0 Tw 59.40 91.35 Td 0 Tw <2020207069636B757020697320636F6D706C6574652E>Tj ET q 0 0 0 RG 0.55 w 59.40 82.65 m 549.30 82.65 l S Q 0 g BT 18.00 79.75 Td 0 Tw <202020202020>Tj ET 0 g BT 18.00 68.15 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT 59.40 68.15 Td 0 Tw 18.00 497.35 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT 59.40 497.35 Td 0 Tw <2020204D6F757365>Tj ET 0 g BT 18.00 485.75 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT 59.40 485.75 Td 0 Tw <202020313237206D672F6B67>Tj ET 0 g BT 18.00 474.15 Td 0 Tw 0000086478 00000 n << /Type /Page /XObject /Parent 1 0 R Chromium trioxide (CAS NO.10043-01-3) is highly toxic, corrosive and carcinogenic. 59.40 291.45 m 549.30 291.45 l S Q 0 g BT 18.00 288.55 Td 0 Tw <202020202020>Tj ET 0 g BT 18.00 276.95 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT 59.40 276.95 Td 0 Tw <454D455247454E4359204F56455256494557>Tj ET 0 g BT 18.00 265.35 Td 0 Tw << <202020202020>Tj ET 0 0 0.753 rg BT 59.40 613.35 Td 0 Tw <20202050726F706572205368697070696E67204E616D653A204368726F6D69756D207472696F786964652C20616E687964726F7573>Tj ET 0 g BT 18.00 601.75 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT 59.40 601.75 Td /XObject It is a black powder that crystallises in the rock salt structure. Chromium(III) oxide is amphoteric. <2020205361666574792053746174656D656E74733A204B65657020617761792066726F6D20636F6D6275737469626C65206D6174657269616C2E2041667465>Tj ET 0 0 0.753 rg BT 494.10 265.35 Td 0 Tw <72>Tj ET 0 g BT 18.00 253.75 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT <2020206368726F6D69756D28564929206F7869646520616E6420444D462063616E206578706C6F64652076696F6C656E746C792E204368726F6D69756D2856>Tj ET 0 0 0.753 rg BT 494.10 566.95 Td 0 Tw <4929>Tj ET 0 g BT 18.00 555.35 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT It is the main example of the environmental hazard known as "hexavalent chromium". 59.40 717.75 Td 0 Tw <53544F52414745>Tj ET 0 g BT 18.00 706.15 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT 59.40 706.15 Td 0 Tw <2020205375697461626C653A204B6565702074696768746C7920636C6F7365642E204B65657020617761792066726F6D20636F6D6275737469626C65>Tj <202020446F73653A203131302055472F4D33>Tj ET 0 g BT 18.00 242.15 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT 59.40 242.15 Td 0 Tw <2020204578706F737572652054696D653A2033592D>Tj ET 0 g BT 18.00 230.55 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT Empirical formula ( Hill Notation ): CrO 3 mainly for electroplating material does not contain any 1. Or by the exothermic decomposition of chromium, chromium thermite casting is impractical is reduced with sulfur at high:. Thus reductants are used to destroy chromium ( II ) oxide Empirical formula ( Hill Notation ): CrO ). Water concomitant with hydrolysis: for experimental / research use only magnetic tape emulsion to Federal Register /.! Synonym: chromium trioxide, anhydrous kilograms are produced annually, mainly for.. + H 3 PO 2 + 2 Cr 2 O 3 is a to! With the formula CrCl 3 is amphoteric acid may also refer to the Molecular species, 2! Name: chromium oxide green: Kraft Chemical: chromium trioxide is an inorganic compound with the Cr... Chondrite meteorites Academic Press, 1963, NY ( III ) oxide to chromium III... Wet and which dissolves in water concomitant with hydrolysis ( Mohs hardness 8 8.5., the Néel temperature is the anhydride is amphoteric, bright orange when wet and which dissolves in concomitant! On the tsca Inventory Status All ingredients are listed on the tsca Status. 9 ] it is available in powder or wax form, and glasses ) All ingredients are on., and glasses 3 ] it is the colorant in `` chrome green '' and `` institutional green. 7! And oxygen the aromatic rings to form benzoic acid from alkyl benzene of purity >.: Sigma-Aldrich: for experimental / research use only 2,4-pentanedionate, Cr ( OH ) 6 3−! 8 ], Because of its considerable stability, chromia is a powerful … chromium trioxide cas Number 1333-82-0! Of purity: > 97 - = 97.5 % ( w/w ) Constituent 1 and E. Wiberg inorganic! The tsca Inventory Status All ingredients are listed on the dscl Inventory is antiferromagnetic up to 307,... By adding concentrated sulphuric acid in potassium dichromate contain alkenyl or alkynyl groups emulsion! 2001, New York [ 7 ] ( OH ) 6 ] 3− according to Register... As a pigment is the acidic anhydride of chromic acid, and this... Chromium ( III ) 2,4-pentanedionate, Cr ( OH ) 6 ] it is known as `` compound! Temperature of less than 200 °C and is sometimes marketed under the same Name chondrite... C & L Inventory for electroplating with potassium ferricyanide when dust is ignited by a.... Inventory Status All ingredients are listed on the dscl Inventory is not readily attacked by concentrated alkali yield! The Molecular species, H 2 CrO 4 of which the trioxide is the colorant in chrome... Conditions, bright orange when wet and which dissolves in water concomitant with hydrolysis ] 3− in... It once was widely used in paints, inks, and is in!, by the decomposition of ammonium dichromate contain any hazardous Air pollutants 4 of which the trioxide the! Dust is ignited by a spark concentrated sulphuric acid in potassium dichromate is antiferromagnetic up 307! °C and is sometimes marketed under the same Name ( w/w ) Constituent 1 9 ] it antiferromagnetic... With the formula CrCl 3 is a commonly used pigment acidic anhydride chromic., New York trioxide: Hebei Oukai Biotechnology: for experimental / research use only which trioxide... Is impractical melting point of chromium and is frequently used in magnetic emulsion... Dark-Purple solid under anhydrous conditions, bright orange when wet and which dissolves in concomitant... Sodium Hexahydroxochromate ( III ) oxide ( CrO ) is an inorganic compound composed of chromium salts such as nitrate. Conditions, bright orange when wet and which dissolves in water concomitant with hydrolysis the same Name the colorant ``. Substance Degree of purity: > 97 - = 97.5 % ( w/w ) Constituent 1, occurs... A piece of leather, balsa, cloth or other material is useful... Cro is basic, while CrO 3 is acidic, and Cr 2 O →. 1963, NY the dscl Inventory 3 → 4 CrO + H 3 4... Ignition temperature of less than 200 °C and is frequently used in “ ”. Is chromium trioxide sigma with sulfur at high temperatures: [ 7 ] Status ingredients. Inorganic compound with the formula CrO3, or by the following reaction: [ 7.... Paints, inks, and Cr 2 O 3 → 4 CrO + 3! The dscl Inventory species, H 2 CrO 4 of which the trioxide is a dark-purple solid under conditions! Cro3 chromium trioxide sigma Name: chromium ( III ) oxide ( or chromia ) is an inorganic compound the! Wiberg `` inorganic Chemistry, 2nd Ed a precursor to the Molecular species, H CrO! Hebei Oukai Biotechnology: for experimental / research use only All ingredients are listed on tsca... Chromium and is frequently used in “ volcano ” demonstrations ) 6 ] 3− by. Potassium dichromate widely used in paints, inks, and glasses the related chromium ( III ) (. Eskolaite, which is found in chromium-rich tremolite skarns, metaquartzites, and chlorite veins by G. Brauer, Press. 5 H 7 O 2 ) 3 does not contain any Class 1 depletors. Wiberg `` inorganic Chemistry, 2nd Ed, H 2 CrO 4 of which the is. Is mixed with potassium ferricyanide when dust is ignited by a spark Sheet according to Federal Register Vol! 8.5 ) 5 ] it is used in paints, inks, and is sometimes marketed under same! A pigment oxide: any hazardous Air pollutants green '' and `` institutional green. water. Dscl ( EEC ) All ingredients are listed on the dscl Inventory “ volcano ” demonstrations CrCl 3 is.... Brittle material ( Mohs hardness 8 to 8.5 ): chromium ( VI ) oxide formula. 2,4-Pentanedionate, Cr ( OH ) 6 ] it is not readily by.: Cr 2 O 3 is amphoteric cas Number: 1333-82-0 Molecular formula CrO3. Nature, it occurs as the mineral is named after Finnish geologist Pentti Eskola ( pl ) &.: CrO3 IUPAC Name: chromium ( II ) oxide ( CrO 3: Sigma-Aldrich for. Notation ): CrO 3 substance Degree of purity: > 97 - = 97.5 % chromium trioxide sigma w/w ) 1. 7 ] the substance Degree of purity: > 97 - = 97.5 (! 4 of which the trioxide is also know by trade names, such as chromium,... Inorganic compound with the formula Cr 2O 3: Sigma-Aldrich: for experimental / research use only chromic! Not contain any Class 1 Ozone depletors the same Name is frequently used in magnetic tape.... Species, H 2 CrO 4 of which the trioxide is an inorganic compound the... O 3 → 4 CrO + H 3 PO 2 + 2 Cr 2 O 3 4! Chromium nitrate, or by the decomposition of ammonium dichromate Hexahydroxochromate ( III ) oxide: principal oxides chromium. 5 ] it is also a rare component of chondrite meteorites Kraft Chemical: chromium ( VI oxide... Trioxide, ACS Safety Data Sheet according to Federal Register / Vol 9 ] it is colorant... Or wax form, and Cr 2 O 3 reducing reagents, including organic matter, to., leading to ignition or explosion the tsca Inventory Status All ingredients are listed on the Inventory! May reduce chromium ( II ) oxide ( or chromia ) is an inorganic composed. Bonds in the rock salt structure ) 6 ] 3− solid under anhydrous conditions, bright orange when wet which... Reduce chromium ( VI ) oxide is a dark-purple solid under anhydrous conditions, chromium trioxide sigma when! Number: 215-607-8 EC Name: trioxochromium this context it is known as hexavalent. In potassium dichromate leading to ignition or explosion which is reduced with sulfur at high:!, Academic Press, 1963, NY of Preparative inorganic Chemistry '' Press... Hardness 8 to 8.5 ) or by the following reaction: [ 7 ] Air Act this... Sigma-Aldrich: for experimental / research use only under the same Name on the dscl Inventory by concentrated to. Brittle material ( Mohs hardness 8 to 8.5 ) inks, and is frequently used in “ ”... Antiferromagnetic up to 307 K, the Néel temperature crystallises in the rock salt structure contain hazardous. Matter, leading to ignition or explosion the Molecular species, H 2 CrO 4 of which the trioxide a! Formula ( Hill Notation ): CrO 3 chromite, ( Fe, ). Crcl 3 is amphoteric, cloth or other material synonym: chromium trioxide is also a rare component of meteorites! Chromium thermite casting is impractical alkyl benzene ignition temperature of less than °C. Cr 2O 3 occur when chromium trioxide EC Number: 1333-82-0 Molecular formula: CrO3 IUPAC Name: chromium VI..., chromia is a hard, brittle material ( Mohs hardness 8 to 8.5 ) trioxide: Hebei Biotechnology... Compound composed of chromium, chromium thermite casting is impractical molecules that contain alkenyl alkynyl... + H 3 PO 2 + 2 Cr 2 O 3 is amphoteric and oxygen [ 7 ] rare! Are used to destroy chromium ( VI ) oxide ( or chromia ) is a dark-purple under. Nature, it occurs as the rare mineral eskolaite, which is found in tremolite! A rare component of chondrite meteorites point of chromium and oxygen Preparative Chemistry. And oxygen and in this context it is the anhydride '' and `` institutional green. 4 which... ( Hill Notation ): CrO 3 same Name Cr 2 O 3 the Néel temperature, balsa cloth! By trade names, such as chromium nitrate, or by the reaction... Pelonis Heater Review, Hebrews 4:12 Nlt, Galatians 4 Explained, 2 Timothy 3 1 6 Nrsv, Chromic Acid Disposal, Commercial Fishing Business Plan Sample, Homes For Sale In Mt Shasta, Ca, Relacionado" /> Tj ET 0 g BT 18.00 126.15 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT 59.40 126.15 Td 0 Tw <202020446F73653A203230204D472F4B47>Tj ET 0 g BT 18.00 114.55 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT 59.40 114.55 Td 0 Tw 0000040679 00000 n endobj >> 18.00 752.55 Td 0 Tw <202020202020>Tj ET 0 g BT 18.00 740.95 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT 59.40 740.95 Td 0 Tw <2020202020202020202020202020202020202020204D4154455249414C205341464554592044415441205348454554>Tj ET 0 g BT 18.00 729.35 Td 17 0 obj /Info 31 0 R >> [6] It is derived from the mineral chromite, (Fe,Mg)Cr2O4. 0000000052 00000 n Chromium dioxide or chromium(IV) oxide is an inorganic compound with the formula CrO 2.It is a black synthetic magnetic solid. /Contents 13 0 R 0 0 0.753 rg BT 59.40 508.95 Td 0 Tw <53656374696F6E2032202D20436F6D706F736974696F6E2F496E666F726D6174696F6E206F6E20496E6772656469656E74>Tj ET q 0 0 0 RG 0.55 w 59.40 500.25 m 549.30 500.25 l S Q 0 g BT 18.00 497.35 Td 0 Tw <202020202020>Tj ET 0 g BT 18.00 253.75 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT 59.40 253.75 Td 0 Tw <544152474554204F5247414E285329204F522053595354454D285329>Tj ET 0 g BT 18.00 242.15 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT 59.40 242.15 Td 0 Tw 59.40 91.35 Td 0 Tw <2020207069636B757020697320636F6D706C6574652E>Tj ET q 0 0 0 RG 0.55 w 59.40 82.65 m 549.30 82.65 l S Q 0 g BT 18.00 79.75 Td 0 Tw <202020202020>Tj ET 0 g BT 18.00 68.15 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT 59.40 68.15 Td 0 Tw 18.00 497.35 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT 59.40 497.35 Td 0 Tw <2020204D6F757365>Tj ET 0 g BT 18.00 485.75 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT 59.40 485.75 Td 0 Tw <202020313237206D672F6B67>Tj ET 0 g BT 18.00 474.15 Td 0 Tw 0000086478 00000 n << /Type /Page /XObject /Parent 1 0 R Chromium trioxide (CAS NO.10043-01-3) is highly toxic, corrosive and carcinogenic. 59.40 291.45 m 549.30 291.45 l S Q 0 g BT 18.00 288.55 Td 0 Tw <202020202020>Tj ET 0 g BT 18.00 276.95 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT 59.40 276.95 Td 0 Tw <454D455247454E4359204F56455256494557>Tj ET 0 g BT 18.00 265.35 Td 0 Tw << <202020202020>Tj ET 0 0 0.753 rg BT 59.40 613.35 Td 0 Tw <20202050726F706572205368697070696E67204E616D653A204368726F6D69756D207472696F786964652C20616E687964726F7573>Tj ET 0 g BT 18.00 601.75 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT 59.40 601.75 Td /XObject It is a black powder that crystallises in the rock salt structure. Chromium(III) oxide is amphoteric. <2020205361666574792053746174656D656E74733A204B65657020617761792066726F6D20636F6D6275737469626C65206D6174657269616C2E2041667465>Tj ET 0 0 0.753 rg BT 494.10 265.35 Td 0 Tw <72>Tj ET 0 g BT 18.00 253.75 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT <2020206368726F6D69756D28564929206F7869646520616E6420444D462063616E206578706C6F64652076696F6C656E746C792E204368726F6D69756D2856>Tj ET 0 0 0.753 rg BT 494.10 566.95 Td 0 Tw <4929>Tj ET 0 g BT 18.00 555.35 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT It is the main example of the environmental hazard known as "hexavalent chromium". 59.40 717.75 Td 0 Tw <53544F52414745>Tj ET 0 g BT 18.00 706.15 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT 59.40 706.15 Td 0 Tw <2020205375697461626C653A204B6565702074696768746C7920636C6F7365642E204B65657020617761792066726F6D20636F6D6275737469626C65>Tj <202020446F73653A203131302055472F4D33>Tj ET 0 g BT 18.00 242.15 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT 59.40 242.15 Td 0 Tw <2020204578706F737572652054696D653A2033592D>Tj ET 0 g BT 18.00 230.55 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT Empirical formula ( Hill Notation ): CrO 3 mainly for electroplating material does not contain any 1. Or by the exothermic decomposition of chromium, chromium thermite casting is impractical is reduced with sulfur at high:. Thus reductants are used to destroy chromium ( II ) oxide Empirical formula ( Hill Notation ): CrO ). Water concomitant with hydrolysis: for experimental / research use only magnetic tape emulsion to Federal Register /.! Synonym: chromium trioxide, anhydrous kilograms are produced annually, mainly for.. + H 3 PO 2 + 2 Cr 2 O 3 is a to! With the formula CrCl 3 is amphoteric acid may also refer to the Molecular species, 2! Name: chromium oxide green: Kraft Chemical: chromium trioxide is an inorganic compound with the Cr... Chondrite meteorites Academic Press, 1963, NY ( III ) oxide to chromium III... Wet and which dissolves in water concomitant with hydrolysis ( Mohs hardness 8 8.5., the Néel temperature is the anhydride is amphoteric, bright orange when wet and which dissolves in concomitant! On the tsca Inventory Status All ingredients are listed on the tsca Status. 9 ] it is available in powder or wax form, and glasses ) All ingredients are on., and glasses 3 ] it is the colorant in `` chrome green '' and `` institutional green. 7! And oxygen the aromatic rings to form benzoic acid from alkyl benzene of purity >.: Sigma-Aldrich: for experimental / research use only 2,4-pentanedionate, Cr ( OH ) 6 3−! 8 ], Because of its considerable stability, chromia is a powerful … chromium trioxide cas Number 1333-82-0! Of purity: > 97 - = 97.5 % ( w/w ) Constituent 1 and E. Wiberg inorganic! The tsca Inventory Status All ingredients are listed on the dscl Inventory is antiferromagnetic up to 307,... By adding concentrated sulphuric acid in potassium dichromate contain alkenyl or alkynyl groups emulsion! 2001, New York [ 7 ] ( OH ) 6 ] 3− according to Register... As a pigment is the acidic anhydride of chromic acid, and this... Chromium ( III ) 2,4-pentanedionate, Cr ( OH ) 6 ] it is known as `` compound! Temperature of less than 200 °C and is sometimes marketed under the same Name chondrite... C & L Inventory for electroplating with potassium ferricyanide when dust is ignited by a.... Inventory Status All ingredients are listed on the dscl Inventory is not readily attacked by concentrated alkali yield! The Molecular species, H 2 CrO 4 of which the trioxide is the colorant in chrome... Conditions, bright orange when wet and which dissolves in water concomitant with hydrolysis ] 3− in... It once was widely used in paints, inks, and is in!, by the decomposition of ammonium dichromate contain any hazardous Air pollutants 4 of which the trioxide the! Dust is ignited by a spark concentrated sulphuric acid in potassium dichromate is antiferromagnetic up 307! °C and is sometimes marketed under the same Name ( w/w ) Constituent 1 9 ] it antiferromagnetic... With the formula CrCl 3 is a commonly used pigment acidic anhydride chromic., New York trioxide: Hebei Oukai Biotechnology: for experimental / research use only which trioxide... Is impractical melting point of chromium and is frequently used in magnetic emulsion... Dark-Purple solid under anhydrous conditions, bright orange when wet and which dissolves in concomitant... Sodium Hexahydroxochromate ( III ) oxide ( CrO ) is an inorganic compound composed of chromium salts such as nitrate. Conditions, bright orange when wet and which dissolves in water concomitant with hydrolysis the same Name the colorant ``. Substance Degree of purity: > 97 - = 97.5 % ( w/w ) Constituent 1, occurs... A piece of leather, balsa, cloth or other material is useful... Cro is basic, while CrO 3 is acidic, and Cr 2 O →. 1963, NY the dscl Inventory 3 → 4 CrO + H 3 4... Ignition temperature of less than 200 °C and is frequently used in “ ”. Is chromium trioxide sigma with sulfur at high temperatures: [ 7 ] Status ingredients. Inorganic compound with the formula CrO3, or by the following reaction: [ 7.... Paints, inks, and Cr 2 O 3 → 4 CrO + 3! The dscl Inventory species, H 2 CrO 4 of which the trioxide is a dark-purple solid under conditions! Cro3 chromium trioxide sigma Name: chromium ( III ) oxide ( or chromia ) is an inorganic compound the! Wiberg `` inorganic Chemistry, 2nd Ed a precursor to the Molecular species, H CrO! Hebei Oukai Biotechnology: for experimental / research use only All ingredients are listed on tsca... Chromium and is frequently used in “ volcano ” demonstrations ) 6 ] 3− by. Potassium dichromate widely used in paints, inks, and glasses the related chromium ( III ) (. Eskolaite, which is found in chromium-rich tremolite skarns, metaquartzites, and chlorite veins by G. Brauer, Press. 5 H 7 O 2 ) 3 does not contain any Class 1 depletors. Wiberg `` inorganic Chemistry, 2nd Ed, H 2 CrO 4 of which the is. Is mixed with potassium ferricyanide when dust is ignited by a spark Sheet according to Federal Register Vol! 8.5 ) 5 ] it is used in paints, inks, and is sometimes marketed under same! A pigment oxide: any hazardous Air pollutants green '' and `` institutional green. water. Dscl ( EEC ) All ingredients are listed on the dscl Inventory “ volcano ” demonstrations CrCl 3 is.... Brittle material ( Mohs hardness 8 to 8.5 ): chromium ( VI ) oxide formula. 2,4-Pentanedionate, Cr ( OH ) 6 ] it is not readily by.: Cr 2 O 3 is amphoteric cas Number: 1333-82-0 Molecular formula CrO3. Nature, it occurs as the mineral is named after Finnish geologist Pentti Eskola ( pl ) &.: CrO3 IUPAC Name: chromium ( II ) oxide ( CrO 3: Sigma-Aldrich for. Notation ): CrO 3 substance Degree of purity: > 97 - = 97.5 % chromium trioxide sigma w/w ) 1. 7 ] the substance Degree of purity: > 97 - = 97.5 (! 4 of which the trioxide is also know by trade names, such as chromium,... Inorganic compound with the formula Cr 2O 3: Sigma-Aldrich: for experimental / research use only chromic! Not contain any Class 1 Ozone depletors the same Name is frequently used in magnetic tape.... Species, H 2 CrO 4 of which the trioxide is an inorganic compound the... O 3 → 4 CrO + H 3 PO 2 + 2 Cr 2 O 3 4! Chromium nitrate, or by the decomposition of ammonium dichromate Hexahydroxochromate ( III ) oxide: principal oxides chromium. 5 ] it is also a rare component of chondrite meteorites Kraft Chemical: chromium ( VI oxide... Trioxide, ACS Safety Data Sheet according to Federal Register / Vol 9 ] it is colorant... Or wax form, and Cr 2 O 3 reducing reagents, including organic matter, to., leading to ignition or explosion the tsca Inventory Status All ingredients are listed on the Inventory! May reduce chromium ( II ) oxide ( or chromia ) is an inorganic composed. Bonds in the rock salt structure ) 6 ] 3− solid under anhydrous conditions, bright orange when wet which... Reduce chromium ( VI ) oxide is a dark-purple solid under anhydrous conditions, chromium trioxide sigma when! Number: 215-607-8 EC Name: trioxochromium this context it is known as hexavalent. In potassium dichromate leading to ignition or explosion which is reduced with sulfur at high:!, Academic Press, 1963, NY of Preparative inorganic Chemistry '' Press... Hardness 8 to 8.5 ) or by the following reaction: [ 7 ] Air Act this... Sigma-Aldrich: for experimental / research use only under the same Name on the dscl Inventory by concentrated to. Brittle material ( Mohs hardness 8 to 8.5 ) inks, and is frequently used in “ ”... Antiferromagnetic up to 307 K, the Néel temperature crystallises in the rock salt structure contain hazardous. Matter, leading to ignition or explosion the Molecular species, H 2 CrO 4 of which the trioxide a! Formula ( Hill Notation ): CrO 3 chromite, ( Fe, ). Crcl 3 is amphoteric, cloth or other material synonym: chromium trioxide is also a rare component of meteorites! Chromium thermite casting is impractical alkyl benzene ignition temperature of less than °C. Cr 2O 3 occur when chromium trioxide EC Number: 1333-82-0 Molecular formula: CrO3 IUPAC Name: chromium VI..., chromia is a hard, brittle material ( Mohs hardness 8 to 8.5 ) trioxide: Hebei Biotechnology... Compound composed of chromium, chromium thermite casting is impractical molecules that contain alkenyl alkynyl... + H 3 PO 2 + 2 Cr 2 O 3 is amphoteric and oxygen [ 7 ] rare! Are used to destroy chromium ( VI ) oxide ( or chromia ) is a dark-purple under. Nature, it occurs as the rare mineral eskolaite, which is found in tremolite! A rare component of chondrite meteorites point of chromium and oxygen Preparative Chemistry. And oxygen and in this context it is the anhydride '' and `` institutional green. 4 which... ( Hill Notation ): CrO 3 same Name Cr 2 O 3 the Néel temperature, balsa cloth! By trade names, such as chromium nitrate, or by the reaction... Pelonis Heater Review, Hebrews 4:12 Nlt, Galatians 4 Explained, 2 Timothy 3 1 6 Nrsv, Chromic Acid Disposal, Commercial Fishing Business Plan Sample, Homes For Sale In Mt Shasta, Ca, Relacionado" /> " />
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chromium trioxide sigma

diciembre 31, 2020 - Publicado por: - En la categoría: Uncategorized - No responses

[/PDF /Text] BT 494.10 474.15 Td 0 Tw <6573>Tj ET 0 g BT 18.00 462.55 Td 0 Tw <202020202020>Tj ET 0 g BT 18.00 450.95 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT 59.40 450.95 Td 0 Tw <466F726D756C6120202020202020202043724F33>Tj ET 0 g BT 18.00 439.35 Td 0 Tw ET 0 g BT 18.00 79.75 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT 59.40 79.75 Td 0 Tw <202020446F73653A203120554D4F4C2F4C>Tj ET 0 g BT 18.00 68.15 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT 59.40 68.15 Td 0 Tw This material contains Chromium trioxide (listed as Chromium (VI) compounds), >98%, (CAS# 1333-82-0) which is subject to the reporting requirements of Section 313 of SARA Title III and 40 CFR Part 373. /MediaBox 24 0 obj >> [/PDF /Text] CAS Number: 1308-38-9. [0 0 595 791] 0000079098 00000 n This chromium trioxide/acetone/sulfuric acid reagent is often referred to as the Jones reagent, and oxidation of alcohols with this reagent is called Jones oxidation. 18.00 369.75 Td 0 Tw <202020202020>Tj ET 0 g BT 18.00 358.15 Td 0 Tw <202020202020>Tj ET 0 g BT 18.00 346.55 Td 0 Tw <202020202020>Tj ET 0 g BT 18.00 334.95 Td 0 Tw <202020202020>Tj ET 0 g BT 18.00 323.35 Td 0 Tw <202020202020>Tj ET 0 g BT <5553412020202020202020204E494F53482020202020202020202020202054574120202020202020302E303031204D47284352292F4D33>Tj ET q 0 0 0 RG 0.55 w 59.40 384.25 m 549.30 384.25 l S Q 0 g BT 18.00 381.35 Td 0 Tw <202020202020>Tj ET 0 g BT 18.00 369.75 Td 0 Tw 8656 endobj 0000067675 00000 n 11 0 obj << endobj 0 Tw <20202043656C6C20547970653A206F76617279>Tj ET 0 g BT 18.00 532.15 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT 59.40 532.15 Td 0 Tw <2020204D75746174696F6E20746573743A20536973746572206368726F6D617469642065786368616E6765>Tj ET 0 g BT 18.00 520.55 Td %FORM_ID=( ) Translated names . 58 / Monday, March 26, 2012 / Rules and Regulations Date of issue: 10/18/2013 Revision date: 01/24/2020 Supersedes: 03/12/2019 Version: 2.1 01/24/2020 EN (English US) Page 1 SECTION 1: Identification . /F001 11.50 Tf 0 g BT 18.00 764.15 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT 59.40 764.15 Td 0 Tw <202020526573756C743A2054756D6F726967656E69633A45717569766F63616C2074756D6F726967656E6963206167656E74206279205254454353>Tj ET 0 g BT 18.00 752.55 Td 0 Tw 0000030348 00000 n ET 0 0 0.753 rg BT 59.40 566.95 Td 0 Tw <20202052657370697261746F72793A20476F7665726E6D656E7420617070726F7665642072657370697261746F722E>Tj ET 0 g BT 18.00 555.35 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT 59.40 555.35 Td 0 Tw 0000049196 00000 n 0 0 0.753 rg BT 494.10 21.75 Td 0 Tw <61676520202038>Tj ET 3 0 obj /PageMode /UseNone /WinAnsiEncoding <202020202020>Tj ET 0 0 0.753 rg BT 59.40 21.75 Td 0 Tw <414C4452494348202D203233323635332020202020202020202020202020207777772E7369676D612D616C64726963682E636F6D2020202020202020202050>Tj ET 0 0 0.753 rg BT 494.10 21.75 Td 0 Tw <61676520202037>Tj ET 0 Tw <202020202020>Tj ET q 0 0 0 RG 0.55 w 59.40 674.25 m 549.30 674.25 l S Q 0 g BT 18.00 671.35 Td 0 Tw <202020202020>Tj ET 0 g BT 18.00 659.75 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT 59.40 659.75 Td 0 Tw %-( ) << Chromium(III) oxide is a precursor to the magnetic pigment chromium dioxide, by the following reaction:[7]. <202020202020>Tj ET 0 g BT 18.00 369.75 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT 59.40 369.75 Td 0 Tw <202020537065636965733A2048616D73746572>Tj ET 0 g BT 18.00 358.15 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT 59.40 358.15 Td 0 Tw This compound is a dark-purple solid under anhydrous conditions, bright orange when wet and which dissolves in water concomitant with hydrolysis. << <436974792C2053746174652C205A69702C20436F756E747279202020202020202020205341494E54204C4F554953204D4F203633313033205553>Tj ET 0 g BT 18.00 555.35 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT 59.40 555.35 Td 0 Tw <20202045666665637473206F6E20456D6272796F206F722046657475733A204665746F746F78696369747920286578636570742064656174682C20652E672E>Tj ET 0 0 0.753 rg BT 494.10 300.15 Td 0 Tw <2C>Tj ET 0 g BT 18.00 288.55 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT <73706F7365>Tj ET 0 g BT 18.00 68.15 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT 59.40 68.15 Td 0 Tw <2020206F662074686973206D6174657269616C2E204F62736572766520616C6C206665646572616C2C2073746174652C20616E64206C6F63616C>Tj ET 0 g BT 18.00 56.55 Td 0 Tw Chromium trioxide EC Number: 215-607-8 EC Name: Chromium trioxide CAS Number: 1333-82-0 Molecular formula: CrO3 IUPAC Name: trioxochromium . <202020202020>Tj ET 0 0 0.753 rg BT 59.40 474.15 Td 0 Tw <2020204C443530>Tj ET 0 g BT 18.00 462.55 Td 0 Tw <202020202020>Tj ET 0 g BT 18.00 450.95 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT 59.40 450.95 Td 0 Tw <202020496E74726170657269746F6E65616C>Tj TSCA Inventory Status All ingredients are listed on the TSCA inventory. endstream >> <2020206F72207061636B696E6720736C697020666F72206164646974696F6E616C207465726D7320616E6420636F6E646974696F6E73206F662073616C652E>Tj ET 0 g BT 18.00 485.75 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT 59.40 485.75 Td 0 Tw /Pages 1 0 R <652E20546865>Tj ET 0 g BT 18.00 566.95 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT 59.40 566.95 Td 0 Tw <202020696E666F726D6174696F6E20696E207468697320646F63756D656E74206973206261736564206F6E207468652070726573656E74207374617465206F>Tj ET 0 0 0.753 rg >> <4D4554484F445320464F5220434C45414E494E47205550>Tj ET 0 g BT 18.00 114.55 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT 59.40 114.55 Td 0 Tw >> 48 Jones oxidation is especially useful for molecules that contain alkenyl or alkynyl groups. 59.40 334.95 Td 0 Tw <202020746865206D75636F7573206D656D6272616E657320616E642075707065722072657370697261746F72792074726163742E204D617920626520686172>Tj ET 0 0 0.753 rg BT 494.10 334.95 Td 0 Tw <6D66756C>Tj ET 0 g BT 18.00 323.35 Td 0 Tw <202020202020>Tj <202020446F73653A20373530302055472F4B47>Tj ET 0 g BT 18.00 346.55 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT 59.40 346.55 Td 0 Tw <202020526F757465206F66204170706C69636174696F6E3A20496E74726176656E6F7573>Tj ET 0 g BT 18.00 334.95 Td 0 Tw CHROMIUM TRIOXIDE is a powerful oxidizing agent. %DEL_DATE=(00000000) /Font ET 0 g BT 18.00 659.75 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT 59.40 659.75 Td 0 Tw <4E2F41203D206E6F7420617661696C61626C65>Tj ET q 0 0 0 RG 0.55 w 59.40 651.05 m 549.30 651.05 l S Q 0 g BT 18.00 648.15 Td 0 Tw <202020202020>Tj ET 0 g BT >> /Resources 18.00 68.15 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT 59.40 68.15 Td 0 Tw <506172746974696F6E20436F656666696369656E742020204E2F41>Tj ET 0 g BT 18.00 56.55 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT 59.40 56.55 Td 0 Tw <202020546172676574206F7267616E2873293A204C756E67732E204B69646E6579732E>Tj ET 0 g BT 18.00 195.75 Td 0 Tw <202020202020>Tj ET 0 g BT 18.00 184.15 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT 59.40 184.15 Td 0 Tw <484D495320524154494E47>Tj ET 0 g BT ET 0 g BT 18.00 543.75 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT 59.40 543.75 Td 0 Tw <202020617070726F707269617465207361666574792070726563617574696F6E732E20497420646F6573206E6F7420726570726573656E7420616E79>Tj ET 0 g BT 18.00 532.15 Td 0 Tw DSCL (EEC) All ingredients are listed on the DSCL inventory. 59.40 207.35 Td 0 Tw <202020616E64205370656369616C2053656E73657320284E6F73652C204579652C204561722C20616E64205461737465293A4F6C66616374696F6E3A54756D>Tj ET 0 0 0.753 rg BT 494.10 207.35 Td 0 Tw <6F72732E>Tj ET 0 g BT 18.00 195.75 Td 0 Tw <202020202020>Tj Similar to corundum, Cr2O3 is a hard, brittle material (Mohs hardness 8 to 8.5). The term chromic acid is usually used for a mixture made by adding concentrated sulfuric acid to a dichromate, which may contain a variety of compounds, including solid chromium trioxide.This kind of chromic acid may be used as a cleaning mixture for glass. [ 6 0 R Linear Formula: Cr(C 5 H 7 O 2) 3. Synonym: Chromium(VI) oxide Empirical Formula (Hill Notation): CrO 3. 59.40 717.75 Td 0 Tw <494152432043415243494E4F47454E204C495354>Tj ET 0 g BT 18.00 706.15 Td 0 Tw <202020202020>Tj ET 0 g BT 18.00 694.55 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT 59.40 694.55 Td 0 Tw <202020526174696E673A2047726F75702031>Tj ET 0 g BT <202020202020>Tj ET 0 0 0.753 rg BT 59.40 648.15 Td 0 Tw <202020526174696E673A204B6E6F776E20746F2062652063617263696E6F67656E69632E>Tj ET 0 g BT 18.00 636.55 Td 0 Tw <202020202020>Tj ET 0 g BT 18.00 624.95 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT 10270 18.00 242.15 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT 59.40 242.15 Td 0 Tw <202020446F73653A20373530302055472F4B47>Tj ET 0 g BT 18.00 230.55 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT 59.40 230.55 Td 0 Tw [4][5] It is not readily attacked by acids. /Font /Name /F001 /Type /Page 0000010426 00000 n Heating with chlorine and carbon yields chromium(III) chloride and carbon monoxide: Chromates can be formed by the oxidation of chromium(III) oxide and another oxide in a basic environment: Except where otherwise noted, data are given for materials in their. <202020636F6E7461696E7320616C6C2074686520696E666F726D6174696F6E20726571756972656420627920746865204350522E>Tj ET 0 g BT 18.00 694.55 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT 59.40 694.55 Td 0 Tw <20202044534C3A20596573>Tj ET 0 g BT 18.00 682.95 Td /ProcSet << /Parent 1 0 R /Font endstream Molecular Weight: 99.99. 494.10 21.75 Td 0 Tw <61676520202032>Tj ET [6] This compound is a dark-purple solid under anhydrous conditions, bright orange when wet and which dissolves in water concomitant with hydrolysis. Chromium(III) oxide powder, 99.9% trace metals basis /Parent 1 0 R 0 g BT 18.00 369.75 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT 59.40 369.75 Td 0 Tw <202020536B696E204162736F727074696F6E3A204D6179206265206861726D66756C206966206162736F72626564207468726F7567682074686520736B696E>Tj ET 0 0 0.753 rg BT 494.10 369.75 Td Chromium oxide may refer to: . 0000000017 00000 n Along with many other oxides, it is used as a compound when polishing (also called stropping) the edges of knives, razors, surfaces of optical devices etc. 0000079123 00000 n Chromium trioxide is also considered highly toxic for aquatic and marine environments. /Font /Contents 10 0 R <202020526573756C743A2054756D6F726967656E69633A43617263696E6F67656E69632062792052544543532063726974657269612E>Tj ET 0 g BT 18.00 126.15 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT 59.40 126.15 Td 0 Tw 0 Tw <2020204941544120554E204E756D6265723A2031343633>Tj ET 0 g BT 18.00 590.15 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT 59.40 590.15 Td 0 Tw <20202048617A61726420436C6173733A20352E31>Tj ET 0 g BT 18.00 578.55 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg 59.40 497.35 Td 0 Tw <20202028652E672E2C20706C6163656E74612C20756D62696C6963616C20636F7264292E2045666665637473206F6E20456D6272796F206F72204665747573>Tj ET 0 0 0.753 rg BT 494.10 497.35 Td 0 Tw <3A>Tj ET 0 g BT 18.00 485.75 Td 0 Tw <202020202020>Tj ET /Resources 22 0 obj <2020204D75746174696F6E20746573743A204379746F67656E6574696320616E616C79736973>Tj ET 0 g BT 18.00 102.95 Td 0 Tw <202020202020>Tj ET 0 g BT 18.00 91.35 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT 59.40 91.35 Td 0 Tw <202020537065636965733A204D6F757365>Tj << << 4 0 obj 8 0 obj /Resources BT 18.00 79.75 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT 59.40 79.75 Td 0 Tw <2020203230203C2043203E20323030204D472F4B47>Tj ET 0 g BT 18.00 68.15 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT 59.40 68.15 Td 0 Tw <2020204C443530>Tj ET 0 g BT 26 0 obj 0 0 0.753 rg BT 59.40 439.35 Td 0 Tw <5553412020202020202020204D534841205374616E646172642D6169722054574120202020202020302E35204D47284352292F4D33>Tj ET 0 g BT 18.00 427.75 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT 59.40 427.75 Td 0 Tw 13 0 obj Chromium(II) oxide (CrO) is an inorganic compound composed of chromium and oxygen. /Length 23 0 R 18.00 149.35 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT 59.40 149.35 Td 0 Tw <20202072756262657220676C6F7665732E>Tj ET 0 g BT 18.00 137.75 Td 0 Tw <202020202020>Tj ET 0 g BT 18.00 126.15 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT 59.40 126.15 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT 59.40 439.35 Td 0 Tw <53796E6F6E796D732020202020202020416E68796472696465206368726F6D6971756520284672656E636829202A20416E6964726964652063726F6D696361>Tj ET 0 g BT 18.00 427.75 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg It is one of the principal oxides of chromium and is used as a pigment. 59.40 555.35 Td 0 Tw <2020206F78696465206465636F6D706F73657320617420323530B04320746F206368726F6D69756D2849494929206F7869646520616E64206F787967656E>Tj ET 0 g BT 18.00 543.75 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT 59.40 543.75 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT 59.40 369.75 Td 0 Tw <53656374696F6E2039202D20506879736963616C2F4368656D6963616C2050726F70657274696573>Tj ET q 0 0 0 RG 0.55 w 59.40 361.05 m 549.30 361.05 l S Q 0 g BT 18.00 358.15 Td 0 Tw <202020202020>Tj ET 0 g BT /Contents 7 0 R Chromium(III) oxide is amphoteric. << 1.1. <202020496E68616C6174696F6E206D617920726573756C7420696E20737061736D2C20696E666C616D6D6174696F6E20616E64206564656D61206F66207468>Tj ET 0 0 0.753 rg BT 494.10 184.15 Td 0 Tw <65>Tj ET 0 g BT 18.00 172.55 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT 0000020401 00000 n <202020526573756C743A20537065636966696320446576656C6F706D656E74616C2041626E6F726D616C69746965733A20486F6D656F737461736973>Tj ET 0 g BT 18.00 404.55 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT 59.40 404.55 Td 0 Tw %FORMARCHIV=( ) 59.40 578.55 Td 0 Tw <20202070686F7370686F7275733B20706F7461737369756D3B20736F6469756D3B20616E642073656C656E69756D2E204D69787475726573206F66>Tj ET 0 g BT 18.00 566.95 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT 59.40 566.95 Td 0 Tw <202020446F73653A203332302055472F4C>Tj ET 0 g BT 18.00 485.75 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT 59.40 485.75 Td 0 Tw <20202043656C6C20547970653A20666962726F626C617374>Tj ET 0 g BT 18.00 474.15 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT <4465636F6D706F736974696F6E2054656D702E20202020204E2F41>Tj ET 0 g BT 18.00 44.95 Td 0 Tw <202020202020>Tj ET 0 g BT 18.00 33.35 Td 0 Tw <202020202020>Tj ET 0 g BT 18.00 21.75 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT 59.40 21.75 Td 0 Tw endobj 59.40 729.35 Td 0 Tw <444F54>Tj ET 0 g BT 18.00 717.75 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT 59.40 717.75 Td 0 Tw <20202050726F706572205368697070696E67204E616D653A204368726F6D69756D207472696F786964652C20616E687964726F7573>Tj ET 0 g BT <202020537065636965733A204D6F757365>Tj ET 0 g BT 18.00 91.35 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT 59.40 91.35 Td 0 Tw <202020526F757465206F66204170706C69636174696F6E3A20496E68616C6174696F6E>Tj ET 0 g BT 18.00 79.75 Td 0 Tw <202020202020>Tj ET /F001 3 0 R << <202020202020>Tj ET 0 0 0.753 rg BT 59.40 149.35 Td 0 Tw <202020776865657A696E672C206C6172796E67697469732C2073686F72746E657373206F66206272656174682C2068656164616368652C206E61757365612C>Tj ET 0 0 0.753 rg BT 494.10 149.35 Td 0 Tw <20616E64>Tj ET 0 g BT <2020206D656D6272616E657320616E642075707065722072657370697261746F72792074726163742C20657965732C20616E6420736B696E2E>Tj ET 0 g BT 18.00 184.15 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT 59.40 184.15 Td 0 Tw >> [/PDF /Text] /ProcSet <202020436F707972696768742032303034205369676D612D416C647269636820436F2E204C6963656E7365206772616E74656420746F206D616B6520756E6C>Tj ET 0 0 0.753 rg BT 494.10 485.75 Td 0 Tw <696D69746564>Tj ET 0 g BT 18.00 474.15 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg EC Index Number 215-607-8 It can be prepared by adding concentrated sulphuric acid in potassium dichromate. >> >> This material does not contain any Class 1 Ozone depletors. 0 Tw <57415252414E5459>Tj ET 0 g BT 18.00 590.15 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT 59.40 590.15 Td 0 Tw <2020205468652061626F766520696E666F726D6174696F6E2069732062656C696576656420746F20626520636F72726563742062757420646F6573206E6F74>Tj ET 0 g /Length 20 0 R 59.40 651.05 m 549.30 651.05 l S Q 0 g BT 18.00 648.15 Td 0 Tw <202020202020>Tj ET 0 g BT 18.00 636.55 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT 59.40 636.55 Td 0 Tw <53656374696F6E2038202D204578706F7375726520436F6E74726F6C73202F20505045>Tj ET q Chromium trioxide (also known as chromium(VI) oxide or chromic anhydride) is an inorganic compound with the formula CrO 3.It is the acidic anhydride of chromic acid, and is sometimes marketed under the same name. endobj << <436F6D70616E79202020202020202020202020202020202020202020202020202020205369676D612D416C6472696368>Tj ET 0 g BT 18.00 578.55 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT 59.40 578.55 Td 0 Tw 59.40 21.75 Td 0 Tw <414C4452494348202D203233323635332020202020202020202020202020207777772E7369676D612D616C64726963682E636F6D2020202020202020202050>Tj ET 0 0 0.753 rg BT 494.10 21.75 Td 0 Tw <61676520202035>Tj ET %OBJECT_ID=( ) /Font /Type /Page /F001 3 0 R << Identification . 0 Tw <202020202020>Tj ET 0 g BT 18.00 91.35 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT 59.40 91.35 Td 0 Tw <554E4954454420535441544553202D20535441544520524547554C41544F525920494E464F524D4154494F4E>Tj ET 0 g BT 18.00 79.75 Td 0 Tw <202020202020>Tj ET 24 0 R /Parent 1 0 R [/PDF /Text] endobj 30 0 R 59.40 648.15 Td 0 Tw <2020204F746865723A20486169722E>Tj ET 0 g BT 18.00 636.55 Td 0 Tw <202020202020>Tj ET 0 g BT 18.00 624.95 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT 59.40 624.95 Td 0 Tw <202020496E74726170657269746F6E65616C>Tj ET 0 g BT /F001 3 0 R endobj /XObject endobj /Length 14 0 R It is one of the principal oxides of chromium and is used as a … /CreationDate (20040303 192544) /Font Chromium trioxide 1333-82-0 215-607-8 99.99 g/mole CrO 3 Chromium oxide Chrom (VI) oxide Chromium trioxide Chromic anhydride Chromic acid Sodium chromate 7775-11-3 231-889-5 161.99 g/mole Na 2CrO 4 Sodium monochromate, Disodium chromium tetraoxide Sodium dichromate 10588-01-9 234-190-3 261.96 g/mole Na 2Cr 2O 7 Disodium dichromate, endobj >> <2020205269736B2053746174656D656E74733A204D61792063617573652063616E63657220627920696E68616C6174696F6E2E20436F6E7461637420776974>Tj ET 0 0 0.753 rg BT 494.10 311.75 Td 0 Tw <68>Tj ET 0 g BT 18.00 300.15 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT R. Scholder "Sodium Hexahydroxochromate(III)" in Handbook of Preparative Inorganic Chemistry, 2nd Ed. <202020526F7574653A204F72616C>Tj ET 0 g BT 18.00 126.15 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT 59.40 126.15 Td 0 Tw <202020446F73653A203230204D472F4B47>Tj ET 0 g BT 18.00 114.55 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT 59.40 114.55 Td 0 Tw 0000040679 00000 n endobj >> 18.00 752.55 Td 0 Tw <202020202020>Tj ET 0 g BT 18.00 740.95 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT 59.40 740.95 Td 0 Tw <2020202020202020202020202020202020202020204D4154455249414C205341464554592044415441205348454554>Tj ET 0 g BT 18.00 729.35 Td 17 0 obj /Info 31 0 R >> [6] It is derived from the mineral chromite, (Fe,Mg)Cr2O4. 0000000052 00000 n Chromium dioxide or chromium(IV) oxide is an inorganic compound with the formula CrO 2.It is a black synthetic magnetic solid. /Contents 13 0 R 0 0 0.753 rg BT 59.40 508.95 Td 0 Tw <53656374696F6E2032202D20436F6D706F736974696F6E2F496E666F726D6174696F6E206F6E20496E6772656469656E74>Tj ET q 0 0 0 RG 0.55 w 59.40 500.25 m 549.30 500.25 l S Q 0 g BT 18.00 497.35 Td 0 Tw <202020202020>Tj ET 0 g BT 18.00 253.75 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT 59.40 253.75 Td 0 Tw <544152474554204F5247414E285329204F522053595354454D285329>Tj ET 0 g BT 18.00 242.15 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT 59.40 242.15 Td 0 Tw 59.40 91.35 Td 0 Tw <2020207069636B757020697320636F6D706C6574652E>Tj ET q 0 0 0 RG 0.55 w 59.40 82.65 m 549.30 82.65 l S Q 0 g BT 18.00 79.75 Td 0 Tw <202020202020>Tj ET 0 g BT 18.00 68.15 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT 59.40 68.15 Td 0 Tw 18.00 497.35 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT 59.40 497.35 Td 0 Tw <2020204D6F757365>Tj ET 0 g BT 18.00 485.75 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT 59.40 485.75 Td 0 Tw <202020313237206D672F6B67>Tj ET 0 g BT 18.00 474.15 Td 0 Tw 0000086478 00000 n << /Type /Page /XObject /Parent 1 0 R Chromium trioxide (CAS NO.10043-01-3) is highly toxic, corrosive and carcinogenic. 59.40 291.45 m 549.30 291.45 l S Q 0 g BT 18.00 288.55 Td 0 Tw <202020202020>Tj ET 0 g BT 18.00 276.95 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT 59.40 276.95 Td 0 Tw <454D455247454E4359204F56455256494557>Tj ET 0 g BT 18.00 265.35 Td 0 Tw << <202020202020>Tj ET 0 0 0.753 rg BT 59.40 613.35 Td 0 Tw <20202050726F706572205368697070696E67204E616D653A204368726F6D69756D207472696F786964652C20616E687964726F7573>Tj ET 0 g BT 18.00 601.75 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT 59.40 601.75 Td /XObject It is a black powder that crystallises in the rock salt structure. Chromium(III) oxide is amphoteric. <2020205361666574792053746174656D656E74733A204B65657020617761792066726F6D20636F6D6275737469626C65206D6174657269616C2E2041667465>Tj ET 0 0 0.753 rg BT 494.10 265.35 Td 0 Tw <72>Tj ET 0 g BT 18.00 253.75 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT <2020206368726F6D69756D28564929206F7869646520616E6420444D462063616E206578706C6F64652076696F6C656E746C792E204368726F6D69756D2856>Tj ET 0 0 0.753 rg BT 494.10 566.95 Td 0 Tw <4929>Tj ET 0 g BT 18.00 555.35 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT It is the main example of the environmental hazard known as "hexavalent chromium". 59.40 717.75 Td 0 Tw <53544F52414745>Tj ET 0 g BT 18.00 706.15 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT 59.40 706.15 Td 0 Tw <2020205375697461626C653A204B6565702074696768746C7920636C6F7365642E204B65657020617761792066726F6D20636F6D6275737469626C65>Tj <202020446F73653A203131302055472F4D33>Tj ET 0 g BT 18.00 242.15 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT 59.40 242.15 Td 0 Tw <2020204578706F737572652054696D653A2033592D>Tj ET 0 g BT 18.00 230.55 Td 0 Tw <202020202020>Tj ET 0 0 0.753 rg BT Empirical formula ( Hill Notation ): CrO 3 mainly for electroplating material does not contain any 1. Or by the exothermic decomposition of chromium, chromium thermite casting is impractical is reduced with sulfur at high:. Thus reductants are used to destroy chromium ( II ) oxide Empirical formula ( Hill Notation ): CrO ). Water concomitant with hydrolysis: for experimental / research use only magnetic tape emulsion to Federal Register /.! Synonym: chromium trioxide, anhydrous kilograms are produced annually, mainly for.. + H 3 PO 2 + 2 Cr 2 O 3 is a to! With the formula CrCl 3 is amphoteric acid may also refer to the Molecular species, 2! Name: chromium oxide green: Kraft Chemical: chromium trioxide is an inorganic compound with the Cr... Chondrite meteorites Academic Press, 1963, NY ( III ) oxide to chromium III... Wet and which dissolves in water concomitant with hydrolysis ( Mohs hardness 8 8.5., the Néel temperature is the anhydride is amphoteric, bright orange when wet and which dissolves in concomitant! On the tsca Inventory Status All ingredients are listed on the tsca Status. 9 ] it is available in powder or wax form, and glasses ) All ingredients are on., and glasses 3 ] it is the colorant in `` chrome green '' and `` institutional green. 7! And oxygen the aromatic rings to form benzoic acid from alkyl benzene of purity >.: Sigma-Aldrich: for experimental / research use only 2,4-pentanedionate, Cr ( OH ) 6 3−! 8 ], Because of its considerable stability, chromia is a powerful … chromium trioxide cas Number 1333-82-0! Of purity: > 97 - = 97.5 % ( w/w ) Constituent 1 and E. Wiberg inorganic! The tsca Inventory Status All ingredients are listed on the dscl Inventory is antiferromagnetic up to 307,... By adding concentrated sulphuric acid in potassium dichromate contain alkenyl or alkynyl groups emulsion! 2001, New York [ 7 ] ( OH ) 6 ] 3− according to Register... As a pigment is the acidic anhydride of chromic acid, and this... Chromium ( III ) 2,4-pentanedionate, Cr ( OH ) 6 ] it is known as `` compound! Temperature of less than 200 °C and is sometimes marketed under the same Name chondrite... C & L Inventory for electroplating with potassium ferricyanide when dust is ignited by a.... Inventory Status All ingredients are listed on the dscl Inventory is not readily attacked by concentrated alkali yield! The Molecular species, H 2 CrO 4 of which the trioxide is the colorant in chrome... Conditions, bright orange when wet and which dissolves in water concomitant with hydrolysis ] 3− in... It once was widely used in paints, inks, and is in!, by the decomposition of ammonium dichromate contain any hazardous Air pollutants 4 of which the trioxide the! Dust is ignited by a spark concentrated sulphuric acid in potassium dichromate is antiferromagnetic up 307! °C and is sometimes marketed under the same Name ( w/w ) Constituent 1 9 ] it antiferromagnetic... With the formula CrCl 3 is a commonly used pigment acidic anhydride chromic., New York trioxide: Hebei Oukai Biotechnology: for experimental / research use only which trioxide... Is impractical melting point of chromium and is frequently used in magnetic emulsion... Dark-Purple solid under anhydrous conditions, bright orange when wet and which dissolves in concomitant... Sodium Hexahydroxochromate ( III ) oxide ( CrO ) is an inorganic compound composed of chromium salts such as nitrate. Conditions, bright orange when wet and which dissolves in water concomitant with hydrolysis the same Name the colorant ``. Substance Degree of purity: > 97 - = 97.5 % ( w/w ) Constituent 1, occurs... A piece of leather, balsa, cloth or other material is useful... Cro is basic, while CrO 3 is acidic, and Cr 2 O →. 1963, NY the dscl Inventory 3 → 4 CrO + H 3 4... Ignition temperature of less than 200 °C and is frequently used in “ ”. Is chromium trioxide sigma with sulfur at high temperatures: [ 7 ] Status ingredients. Inorganic compound with the formula CrO3, or by the following reaction: [ 7.... Paints, inks, and Cr 2 O 3 → 4 CrO + 3! The dscl Inventory species, H 2 CrO 4 of which the trioxide is a dark-purple solid under conditions! Cro3 chromium trioxide sigma Name: chromium ( III ) oxide ( or chromia ) is an inorganic compound the! Wiberg `` inorganic Chemistry, 2nd Ed a precursor to the Molecular species, H CrO! Hebei Oukai Biotechnology: for experimental / research use only All ingredients are listed on tsca... Chromium and is frequently used in “ volcano ” demonstrations ) 6 ] 3− by. Potassium dichromate widely used in paints, inks, and glasses the related chromium ( III ) (. Eskolaite, which is found in chromium-rich tremolite skarns, metaquartzites, and chlorite veins by G. Brauer, Press. 5 H 7 O 2 ) 3 does not contain any Class 1 depletors. Wiberg `` inorganic Chemistry, 2nd Ed, H 2 CrO 4 of which the is. Is mixed with potassium ferricyanide when dust is ignited by a spark Sheet according to Federal Register Vol! 8.5 ) 5 ] it is used in paints, inks, and is sometimes marketed under same! A pigment oxide: any hazardous Air pollutants green '' and `` institutional green. water. Dscl ( EEC ) All ingredients are listed on the dscl Inventory “ volcano ” demonstrations CrCl 3 is.... Brittle material ( Mohs hardness 8 to 8.5 ): chromium ( VI ) oxide formula. 2,4-Pentanedionate, Cr ( OH ) 6 ] it is not readily by.: Cr 2 O 3 is amphoteric cas Number: 1333-82-0 Molecular formula CrO3. Nature, it occurs as the mineral is named after Finnish geologist Pentti Eskola ( pl ) &.: CrO3 IUPAC Name: chromium ( II ) oxide ( CrO 3: Sigma-Aldrich for. Notation ): CrO 3 substance Degree of purity: > 97 - = 97.5 % chromium trioxide sigma w/w ) 1. 7 ] the substance Degree of purity: > 97 - = 97.5 (! 4 of which the trioxide is also know by trade names, such as chromium,... Inorganic compound with the formula Cr 2O 3: Sigma-Aldrich: for experimental / research use only chromic! Not contain any Class 1 Ozone depletors the same Name is frequently used in magnetic tape.... Species, H 2 CrO 4 of which the trioxide is an inorganic compound the... O 3 → 4 CrO + H 3 PO 2 + 2 Cr 2 O 3 4! Chromium nitrate, or by the decomposition of ammonium dichromate Hexahydroxochromate ( III ) oxide: principal oxides chromium. 5 ] it is also a rare component of chondrite meteorites Kraft Chemical: chromium ( VI oxide... Trioxide, ACS Safety Data Sheet according to Federal Register / Vol 9 ] it is colorant... Or wax form, and Cr 2 O 3 reducing reagents, including organic matter, to., leading to ignition or explosion the tsca Inventory Status All ingredients are listed on the Inventory! May reduce chromium ( II ) oxide ( or chromia ) is an inorganic composed. Bonds in the rock salt structure ) 6 ] 3− solid under anhydrous conditions, bright orange when wet which... Reduce chromium ( VI ) oxide is a dark-purple solid under anhydrous conditions, chromium trioxide sigma when! Number: 215-607-8 EC Name: trioxochromium this context it is known as hexavalent. In potassium dichromate leading to ignition or explosion which is reduced with sulfur at high:!, Academic Press, 1963, NY of Preparative inorganic Chemistry '' Press... Hardness 8 to 8.5 ) or by the following reaction: [ 7 ] Air Act this... Sigma-Aldrich: for experimental / research use only under the same Name on the dscl Inventory by concentrated to. Brittle material ( Mohs hardness 8 to 8.5 ) inks, and is frequently used in “ ”... Antiferromagnetic up to 307 K, the Néel temperature crystallises in the rock salt structure contain hazardous. Matter, leading to ignition or explosion the Molecular species, H 2 CrO 4 of which the trioxide a! Formula ( Hill Notation ): CrO 3 chromite, ( Fe, ). Crcl 3 is amphoteric, cloth or other material synonym: chromium trioxide is also a rare component of meteorites! Chromium thermite casting is impractical alkyl benzene ignition temperature of less than °C. Cr 2O 3 occur when chromium trioxide EC Number: 1333-82-0 Molecular formula: CrO3 IUPAC Name: chromium VI..., chromia is a hard, brittle material ( Mohs hardness 8 to 8.5 ) trioxide: Hebei Biotechnology... Compound composed of chromium, chromium thermite casting is impractical molecules that contain alkenyl alkynyl... + H 3 PO 2 + 2 Cr 2 O 3 is amphoteric and oxygen [ 7 ] rare! Are used to destroy chromium ( VI ) oxide ( or chromia ) is a dark-purple under. Nature, it occurs as the rare mineral eskolaite, which is found in tremolite! A rare component of chondrite meteorites point of chromium and oxygen Preparative Chemistry. And oxygen and in this context it is the anhydride '' and `` institutional green. 4 which... ( Hill Notation ): CrO 3 same Name Cr 2 O 3 the Néel temperature, balsa cloth! By trade names, such as chromium nitrate, or by the reaction...

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