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  7. Chromium(III) oxide, Puratronic™, 99.97% (metals basis)

Chromium(III) oxide, Puratronic™, 99.97% (metals basis)

Catalog No. AA1068806
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Catalog No. Quantity
AA1068806 5 g
AA1068814 25 g
AA1068822 100 g
AA1068836 500 g
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Catalog No. AA1068806

Supplier: Thermo Scientific Chemicals 01068806

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Description

CAS: 1308-38-9 | Cr2O3 | 151.99 g/mol

Also known as green compound for buffing and polishing, it can be used as abrasives. Apart from being used as a precursor to the magnetic pigment viz., chromium dioxide, it is used in inks, glasses, and pigments (viridian). They are employed as plating agents and surface treating agents. It is a catalyst in the Phillips process of manufacture of high density polythene.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Chemical Identifiers

CAS 1308-38-9
Molecular Formula Cr2O3
Molecular Weight (g/mol) 151.99
MDL Number MFCD00010949
InChI Key UOUJSJZBMCDAEU-UHFFFAOYSA-N
Synonym chromium iii oxide, chromia, dichromium trioxide, chromium sesquioxide, chrome green, green chromium oxide, chromium 3+ oxide, green cinnabar, chrome ochre, chrome oxide
PubChem CID 517277
ChEBI CHEBI:48242
SMILES [O--].[O--].[O--].[Cr+3].[Cr+3]

Specifications

Boiling Point 3000°C
Melting Point 2435°C
Color Green
Physical Form Powder
Quantity 5 g
Merck Index 14,2234
Solubility Information Insoluble in water,alcohol,acetone,alkalies and acids.
IUPAC Name dichromium(3+) trioxidandiide
Formula Weight 151.99
Percent Purity 99.97%
Grade Puratronic
Odor Odorless
Refractive Index 2.551
Density 5.22 g/mL
Assay (metals basis)
Chemical Name or Material Chromium(III) oxide
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Safety and Handling

Hazard Category Warning
Hazard Statement GHS H Statement
H302-H332-H317
Harmful if swallowed.
Harmful if inhaled.
May cause an allergic skin reaction.
Precautionary Statement GHS P Statement
P261-P280-P304+P340-P301+P312-P312-P501a
Avoid breathing dust/fume/gas/mist/vapors/spray.
Wear protective gloves/protective clothing/eye protection/face protection.
IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing.
IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell.
Call a POISON CENTER or doctor/physician if you feel unwell.
Dispose of contents/container in accordance with local/regional/national/international regulations.
EINECSNumber 215-160-9
RTECSNumber GB6475000
TSCA Yes
Recommended Storage Ambient temperatures

RUO – Research Use Only