Sodium Tungsten Oxide

Synonym: Tungstic acid sodium salt dihydrate
CAS Number 10213-10-2 | MDL Number MFCD00149190 | EC Number 236-743-4

Sodium Tungsten Oxide Chemical Structure

Product CodeW3102
CAS Number10213-10-2
Assay (purity)99.999%
Purity methodby gravimetric assay
Molecular weight329.86
Appearancewhite powder
Melting point698C
Gravimetric assay99.0-101.0 %
Molecular formulaNa2WO4 · 2H2O
Linear formulaNa2WO4 · 2H2O

Ereztech manufactures and sells this product in small and bulk volumes. Glass ampules, bottles or metal ampules or bubblers are available for packaging. For additional analytical information or details about purchasing Sodium Tungsten Oxide contact us at

Safety information

Signal wordWARNING
Hazard statementsH302
Precautionary statementsP264, P270, P301+P312, P330, P501
In TSCA registryNo (sold for research and development usage only)

Certificates of analysis (CoA)

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External identifiers for Tungstic acid sodium salt dihydrate

Pubchem CID26052
IUPAC Namedisodium dioxido(dioxo)tungsten; dihydrate
InchI IdentifierInChI=1S/2Na.2H2O.4O.W/h;;2*1H2;;;;;/q2*+1;;;;;2*-1;

Ereztech synthesizes and sells additional W-compounds.

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