Chromium(III) oxide, 99.97%

Name: Chromium(III) oxide, 99.97%
Brand: Vaqora Chemicals
SKU: VQ-014541

About Chromium(III) oxide, 99.97%

Listed under CAS 1308-38-9, Chromium(III) oxide is a transition metal compound available from Vaqora Chemicals (Puriss grade) with a typical assay of 99.97%. The compound has the formula Cr2O3, corresponding to a molecular weight of 151.99 g/mol. Its systematic (IUPAC) name is oxo(oxochromiooxy)chromium. Alternative names: Chromium sesquioxide and Chromia.

In its supplied form it is a green powder. Key physical data: a melting point of 2435 °C and a density of 5.22 g/cm3. Keep the container tightly sealed and store it in a cool, dry area. It carries the GHS signal word “Danger” with 4 hazard statements. Review the Safety Data Sheet before use.

It is commonly used for molecular biology workflows and oxidation reactions. Typical end-use sectors are academic and industrial research.

Available in 5 g, 25 g, 1 kg and 4 x 25 kg packs, Chromium(III) oxide is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Molecular biology workflows
Oxidation reactions

Industries

Specifications & identifiers

Chemical identifiers
Product name	Chromium(III) oxide, 99.97%
Catalogue No.	VQ-014541
CAS Number	1308-38-9
IUPAC name	oxo(oxochromiooxy)chromium
Molecular formula	Cr₂O₃
Molecular weight	151.99 g/mol
Exact mass	151.8658
Grade	Puriss
Purity / assay	99.97%
HSN code	28199000
InChIKey	QDOXWKRWXJOMAK-UHFFFAOYSA-N
SMILES	O=[Cr]O[Cr]=O
PubChem CID	517277

Physical properties
Physical form	Powder
Appearance	Green powder
Melting point	2435 °C
Density	5.22 g/cm3
H-bond donors / acceptors	0 / 3
TPSA	43.4 Å²
Synonyms	Chromium sesquioxide, Chromia, Chrome green, Dichromium trioxide, Chrome oxide, Green chromium oxide, Green cinnabar, Chrome ochre, Chromium Oxide Green, Anadonis Green, Casalis Green, Green rouge

Safety & hazard information (GHS)

Harmful / irritant

Health hazard

Signal word: Danger

Hazard statements

H302Harmful if swallowed
H317May cause an allergic skin reaction
H319Causes serious eye irritation
H360May damage fertility or the unborn child

Precautionary statements: P203, P261, P264, P264 + P265, P270, P272, P280, P301 + P317, P302 + P352, P305 + P351 + P338, P318, P321, P330, P333 + P317, P337 + P317, P362 + P364, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Other grades of CAS 1308-38-9

Chromium oxide nanopowder, APS 60 nm, 98%

CAS: 1308-38-9
Formula: Cr₂O₃
MW: 151.99 g/mol

VQ-017452

EP

Chromium oxide nanopowder, APS 60 nm, EP

CAS: 1308-38-9
Formula: Cr₂O₃
MW: 151.99 g/mol

VQ-047118

Chromium oxide nanopowder, APS 800 nm, 99.97%

CAS: 1308-38-9
Formula: Cr₂O₃
MW: 151.99 g/mol

VQ-017453

Chromium(III) oxide granules, 1-3 mm, 99.99%

CAS: 1308-38-9
Formula: Cr₂O₃
MW: 151.99 g/mol

VQ-014538

Chromium(III) oxide, 20 - 50 μm, 99.99%

CAS: 1308-38-9
Formula: Cr₂O₃
MW: 151.99 g/mol

VQ-014539

Chromium(III) oxide, 99.9%

CAS: 1308-38-9
Formula: Cr₂O₃
MW: 151.99 g/mol

VQ-014540

Chromium(III) oxide, 99.99%

CAS: 1308-38-9
Formula: Cr₂O₃
MW: 151.99 g/mol

VQ-014542

Chromium(III) oxide, green

CAS: 1308-38-9
Formula: Cr₂O₃
MW: 151.99 g/mol

VQ-014543

Frequently asked questions

What is the CAS number of Chromium(III) oxide, 99.97%?

The CAS Registry Number of Chromium(III) oxide, 99.97% is 1308-38-9. It is also known as Chromium sesquioxide, Chromia, Chrome green.

What is the molecular formula and molecular weight of Chromium(III) oxide, 99.97%?

Chromium(III) oxide, 99.97% has the molecular formula Cr2O3 and a molecular weight of 151.99 g/mol. Its IUPAC name is oxo(oxochromiooxy)chromium.

Which grade and pack sizes of Chromium(III) oxide, 99.97% can I order?

We supply Chromium(III) oxide, 99.97% in Puriss (99.97%) grade, in 5 g, 25 g, 1 kg, 4 x 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Chromium(III) oxide, 99.97%?

Yes. Every lot of Chromium(III) oxide, 99.97% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Chromium(III) oxide, 99.97% be shipped internationally?

Yes. Chromium(III) oxide, 99.97% is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.