Chromium trioxide, 99%

Name: Chromium trioxide, 99%
Brand: Vaqora Chemicals
SKU: VQ-014534

About Chromium trioxide, 99%

Vaqora Chemicals supplies Chromium trioxide, a transition metal compound registered under CAS number 1333-82-0 with a typical assay of 99%. Its molecular formula is CrO3 and its molecular weight is 99.99 g/mol. Systematically, it is named trioxochromium. Alternative names: Chromic anhydride and Chromium(VI) oxide.

The material typically appears as a red to purple flakes or powder. Store sealed in a dry, well-ventilated location away from incompatible materials. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

Typical applications include paints, coatings and inks, metallurgy and plating, corrosion inhibition and oxidation reactions. It is used across academic and industrial research.

We offer Chromium trioxide in 500 g, 1 kg, 5 kg and 50 kg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Paints, coatings & inks
Metallurgy & plating
Corrosion inhibition
Oxidation reactions

Industries

Specifications & identifiers

Chemical identifiers
Product name	Chromium trioxide, 99%
Catalogue No.	VQ-014534
CAS Number	1333-82-0
IUPAC name	trioxochromium
Molecular formula	CrO₃
Molecular weight	99.99 g/mol
Exact mass	99.9252
Purity / assay	99%
HSN code	28191000
InChIKey	WGLPBDUCMAPZCE-UHFFFAOYSA-N
SMILES	O=[Cr](=O)=O
PubChem CID	14915

Physical properties
Physical form	Flakes
Appearance	Red to purple flakes or powder
H-bond donors / acceptors	0 / 3
TPSA	51.2 Å²
Synonyms	Chromic anhydride, Chromium(VI) oxide, CrO3, Monochromium trioxide, Anhydride chromique, Chromium(6+) oxide, Chromia (CrO3), Chromium(6+) trioxide, Anidride cromica, Sintered chromium trioxide, Chroomzuuranhydride, Puratronic chromium trioxide

Safety & hazard information (GHS)

Oxidiser

Corrosive

Toxic

Harmful / irritant

Health hazard

Environmental hazard

Signal word: Danger

Hazard statements

H271May cause fire or explosion, strong oxidizer
H301Toxic if swallowed
H310Fatal in contact with skin
H311Toxic in contact with skin
H314Causes severe skin burns and eye damage
H317May cause an allergic skin reaction
H318Causes serious eye damage
H330Fatal if inhaled
H334May cause allergy or asthma symptoms or breathing difficulties if inhaled
H340May cause genetic defects
H350May cause cancer
H361Suspected of damaging fertility or the unborn child
H372Causes damage to organs through prolonged or repeated exposure
H400Very toxic to aquatic life

Precautionary statements: P203, P210, P220, P233, P260, P261, P262, P264, P264 + P265, P270, P271, P272, P273, P280, P283, P284, P301 + P316, P301 + P330 + P331, P302 + P352, P302 + P361 + P354, P304 + P340, P305 + P354 + P338, P306 + P360, P316

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 1333-82-0

AR

Chromium trioxide, GR 99%+

CAS: 1333-82-0
Formula: CrO₃
MW: 99.99 g/mol

VQ-014535

Frequently asked questions

What is the CAS number of Chromium trioxide, 99%?

The CAS Registry Number of Chromium trioxide, 99% is 1333-82-0. It is also known as Chromic anhydride, Chromium(VI) oxide, CrO3.

What is the molecular formula and molecular weight of Chromium trioxide, 99%?

Chromium trioxide, 99% has the molecular formula CrO3 and a molecular weight of 99.99 g/mol. Its IUPAC name is trioxochromium.

Which grade and pack sizes of Chromium trioxide, 99% can I order?

We supply Chromium trioxide, 99% in (99%) grade, in 500 g, 1 kg, 5 kg, 50 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Chromium trioxide, 99%?

Yes. Every lot of Chromium trioxide, 99% 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 trioxide, 99% be shipped internationally?

Yes. Chromium trioxide, 99% 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.