Sodium Tungstate

General Information:

Structure:

Na₂WO₄

CAS Number: 13472-45-2 (anhydrous)

10213-10-2 (dihydrate)

Molecular Weight: 293.82 g/mol (anhydrous)

329.85 g/mol (dihydrate)

Appearance: White solid

Chemical Formula: Na2WO4

Common Uses:

Catalyst in the oxidation of sulfides (H2O2 + Na2WO4)

Procedure excerpt:

A mixture of the SM (1.7 g, 3.3 mmol), AcOH (15 mL), Na2WO4 (209 mg, 0.60 mmol), H2O2 (50%, 2.3 mL, 6.6 mmol) was stirred at RT overnight. The solvent was . . .

[full procedure]

References:

1) Patent Reference: WO2012129338, page 91, (12.0 MB)

2) Wikipedia: Sodium tungstate (link)

3) www.sigmaaldrich.com: Sodium tungstate dihydrate (link)