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

Product Code	Brand	Quantity
11340939	Thermo Scientific Alfa Aesar 010688.06	5 g
11350939	Thermo Scientific Alfa Aesar 010688.14	25 g
11360939	Thermo Scientific Alfa Aesar 010688.22	100 g
11330939	Thermo Scientific Alfa Aesar 010688.36	500 g

Description

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 Weight (g/mol): 151.99
• InChI Key: UOUJSJZBMCDAEU-UHFFFAOYSA-N
• PubChem CID: 517277
• SMILES: [O--].[O--].[O--].[Cr+3].[Cr+3]

• Molecular Formula: Cr2O3
• MDL Number: MFCD00010949
• Synonym: chromium iii oxide, chromia, dichromium trioxide, chromium sesquioxide, chrome green, green chromium oxide, chromium 3+ oxide, green cinnabar, chrome ochre, chrome oxide
• ChEBI: CHEBI:48242

Specifications

• Boiling Point: 3000°C
• CAS: 1308-38-9
• Physical Form: Powder
• MDL Number: MFCD00010949
• Synonym: chromium iii oxide, chromia, dichromium trioxide, chromium sesquioxide, chrome green, green chromium oxide, chromium 3+ oxide, green cinnabar, chrome ochre, chrome oxide
• InChI Key: UOUJSJZBMCDAEU-UHFFFAOYSA-N
• IUPAC Name: dichromium(3+) trioxidandiide
• PubChem CID: 517277
• Formula Weight: 151.99
• Grade: Puratronic™
• Refractive Index: 2.551
• Assay: (metals basis)

• Melting Point: 2435°C
• Color: Green
• Molecular Formula: Cr2O3
• Merck Index: 14,2234
• Solubility Information: Insoluble in water,alcohol,acetone,alkalies and acids.
• SMILES: [O--].[O--].[O--].[Cr+3].[Cr+3]
• Molecular Weight (g/mol): 151.99
• ChEBI: CHEBI:48242
• Percent Purity: 99.97%
• Odor: Odorless
• Density: 5.22 g/mL
• Chemical Name or Material: Chromium(III) oxide

Safety and Handling

GHS H Statement
H302-H332-H317
Harmful if swallowed.
Harmful if inhaled.
May cause an allergic skin reaction.

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.

Warning

missing translation for 'einecsNumber' : 215-160-9

missing translation for 'rtecsNumber' : GB6475000

missing translation for 'tsca' : Yes

Recommended Storage : Ambient temperatures

RUO – Research Use Only