Sodium dichromate, GR 99%+

Name: Sodium dichromate, GR 99%+
Brand: Vaqora Chemicals
SKU: VQ-014143

About Sodium dichromate, GR 99%+

Listed under CAS 7789-12-0, Sodium dichromate is an alkali metal compound available from Vaqora Chemicals in AR grade with a typical assay of ≥99%. With the molecular formula Cr2H4Na2O9, it has a molar mass of 298.0 g/mol. Its systematic (IUPAC) name is disodium. Oxido-(oxido(dioxo)chromio)oxy-dioxochromium. Dihydrate. It is also known as Sodium bichromate or Sodium dichromate dihydrate.

In its supplied form it is orange crystals. 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 organic synthesis, catalysis, corrosion inhibition and oxidation reactions. Buyers come mainly from academic and industrial research.

Vaqora Chemicals supplies Sodium dichromate in 500 g, 5 kg and 25 kg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Organic synthesis
Catalysis
Corrosion inhibition
Oxidation reactions

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Sodium dichromate, GR 99%+
Catalogue No.	VQ-014143
CAS Number	7789-12-0
IUPAC name	disodium;oxido-(oxido(dioxo)chromio)oxy-dioxochromium;dihydrate
Molecular formula	Cr₂H₄Na₂O₉
Molecular weight	298 g/mol
Exact mass	297.8461
Grade	AR
Purity / assay	≥99%
HSN code	28413000
InChIKey	JYDRNIYTFCBIFC-UHFFFAOYSA-N
SMILES	O.O.[O-][Cr](=O)(=O)O[Cr](=O)(=O)[O-].[Na+].[Na+]
PubChem CID	108005

Physical properties
Physical form	Crystalline
Appearance	Orange crystals
H-bond donors / acceptors	2 / 9
TPSA	126 Å²
UN number	UN 3086
Synonyms	Sodium bichromate, Sodium dichromate dihydrate, Disodium dichromate dihydrate, Chromic acid (H2Cr2O7), disodium salt, dihydrate, DICHROMIC ACID (H2Cr2O7), DISODIUM SALT, DIHYDRATE, Sodium dichromate dihydrate (VI), sodium dichromate-dihydrate, sodium dichromate (VI) dihydrate, Sodium dichromate dihydrate, ACS grade, Chromic acid (H2Cr2O7), disodium salt, dihydrate (9CI), Sodium mu-oxidohexakis(oxido)dichromate(2-)--water (2/1/2)

Safety & hazard information (GHS)

Harmful / irritant

Health hazard

Environmental hazard

Signal word: Danger

Hazard statements

H317May cause an allergic skin reaction
H350May cause cancer
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects

Precautionary statements: P203, P261, P272, P273, P280, P302 + P352, P318, P321, P333 + P317, P362 + P364, P391, 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 7789-12-0

Synthesis

Sodium dichromate, 99%

CAS: 7789-12-0
Formula: Cr₂H₄Na₂O₉
MW: 298 g/mol

VQ-014142

Frequently asked questions

What is the CAS number of Sodium dichromate, GR 99%+?

The CAS Registry Number of Sodium dichromate, GR 99%+ is 7789-12-0. It is also known as Sodium bichromate, Sodium dichromate dihydrate, Disodium dichromate dihydrate.

What is the molecular formula and molecular weight of Sodium dichromate, GR 99%+?

Sodium dichromate, GR 99%+ has the molecular formula Cr2H4Na2O9 and a molecular weight of 298 g/mol.

Which grade and pack sizes of Sodium dichromate, GR 99%+ can I order?

We supply Sodium dichromate, GR 99%+ in AR (≥99%) grade, in 500 g, 5 kg, 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Sodium dichromate, GR 99%+?

Yes. Every lot of Sodium dichromate, GR 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 Sodium dichromate, GR 99%+ be shipped internationally?

Yes. Sodium dichromate, GR 99%+ is classified as hazardous (UN 3086), 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.