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

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.

Specifications

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]

• Boiling Point: 3000°C
• Melting Point: 2435°C
• Color: Green
• Physical Form: Powder
• Quantity: 25 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

RUO – Research Use Only