Sodium tungstate, dihydrate, GR 99%+

Name: Sodium tungstate, dihydrate, GR 99%+
Brand: Vaqora Chemicals
SKU: VQ-014259

About Sodium tungstate, dihydrate, GR 99%+

Sodium tungstate, dihydrate (CAS 10213-10-2) is an alkali metal compound offered by Vaqora Chemicals in AR grade at a purity of ≥99%. Its molecular formula is H4Na2O6W and its molecular weight is 329.85 g/mol. Systematically, it is named disodium. Dioxido(dioxo)tungsten. Dihydrate. Alternative names: Tungstic acid sodium salt dihydrate and Sodium tungstate dihydrate.

The material typically appears as a white to off-white powder. Key physical data: a melting point of 698 °C. Keep the container tightly sealed and store it in a cool, dry area. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

Typical applications include protein and peptide research and materials research. Buyers come mainly from academic and industrial research.

We offer Sodium tungstate, dihydrate in 100 g, 250 g, 500 g and 5 kg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Protein & peptide research
Materials research

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Sodium tungstate, dihydrate, GR 99%+
Catalogue No.	VQ-014259
CAS Number	10213-10-2
IUPAC name	disodium;dioxido(dioxo)tungsten;dihydrate
Molecular formula	H₄Na₂O₆W
Molecular weight	329.85 g/mol
Exact mass	329.9313
Grade	AR
Purity / assay	≥99%
HSN code	28418010
InChIKey	WPZFLQRLSGVIAA-UHFFFAOYSA-N
SMILES	O.O.[O-][W](=O)(=O)[O-].[Na+].[Na+]
PubChem CID	150191

Physical properties
Physical form	Powder
Appearance	White to off-white powder
Melting point	698 °C
H-bond donors / acceptors	2 / 6
TPSA	82.3 Å²
Synonyms	Tungstic acid sodium salt dihydrate, Sodium tungstate dihydrate, Sodium tungstate, dihydrate, Tungstic acid, sodium salt, dihydrate, sodium tungstate(VI) dihydrate, Na2WO4.2H2O, sodium orthotungstate dihydrate, Tungstic acid sodium salt, Sodium tungsten oxide dihydrate, Tungstate (WO42-), disodium, dihydrate, (T-4)- (9CI), Tungstic acid (H2WO4), disodium salt, dihydrate, Tungstate (WO42-), disodium, dihydrate, (T-4)-

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed

Precautionary statements: P264, P270, P301 + P317, P330, 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 10213-10-2

Sodium tungstate solution 10%w/v

CAS: 10213-10-2
Formula: H₄Na₂O₆W
MW: 329.85 g/mol

VQ-003642

Synthesis

Sodium tungstate, dihydrate, 98%

CAS: 10213-10-2
Formula: H₄Na₂O₆W
MW: 329.85 g/mol

VQ-014258

Frequently asked questions

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

The CAS Registry Number of Sodium tungstate, dihydrate, GR 99%+ is 10213-10-2. It is also known as Tungstic acid sodium salt dihydrate, Sodium tungstate dihydrate, Sodium tungstate, dihydrate.

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

Sodium tungstate, dihydrate, GR 99%+ has the molecular formula H4Na2O6W and a molecular weight of 329.85 g/mol.

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

We supply Sodium tungstate, dihydrate, GR 99%+ in AR (≥99%) grade, in 100 g, 250 g, 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 tungstate, dihydrate, GR 99%+?

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

Yes. Sodium tungstate, dihydrate, GR 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.