Sodium dichromate, 99%

Name: Sodium dichromate, 99%
Brand: Vaqora Chemicals
SKU: VQ-014142

About Sodium dichromate, 99%

Listed under CAS 7789-12-0, Sodium dichromate is an alkali metal compound available from Vaqora Chemicals in Synthesis grade, specified at 99% purity. The compound has the formula Cr2H4Na2O9, corresponding to a molecular weight of 298.0 g/mol. Its systematic (IUPAC) name is disodium. Oxido-(oxido(dioxo)chromio)oxy-dioxochromium. Dihydrate. Common synonyms include Sodium bichromate and Sodium dichromate dihydrate.

It is supplied as an orange to yellow crystalline powder. Store sealed in a dry, well-ventilated location away from incompatible materials. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

Typical applications include fine chemical synthesis, catalysis, dyes and pigments manufacture and paints, coatings and inks. Typical end-use sectors are academic and industrial research.

Standard pack sizes are 500 g, 5 kg and 50 kg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Fine chemical synthesis
Catalysis
Dyes & pigments manufacture
Paints, coatings & inks
Corrosion inhibition

Industries

Specifications & identifiers

Chemical identifiers
Product name	Sodium dichromate, 99%
Catalogue No.	VQ-014142
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	Synthesis
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	Powder
Appearance	Orange to yellow crystalline powder
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

AR

Sodium dichromate, GR 99%+

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

VQ-014143

Frequently asked questions

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

The CAS Registry Number of Sodium dichromate, 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, 99%?

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

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

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

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

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

Yes. Sodium dichromate, 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.