$198

Part Number: MIL-223336-100G
Lead Time: 2-4 weeks
Quantity: each
Size: 100 grams
Style: chemical

Category: ACS Grade Chemicals

Description
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Sodium Tungstate Dihydrate ACS Reagent ≥99% 100 Gram

Synonym: Tungstic acid sodium salt dihydrate

CAS Number 10213-10-2
Linear Formula Na2WO4 · 2H2O
Molecular Weight 329.85
EC Number 236-743-4
MDL number MFCD00149190
PubChem Substance ID 329752303
NACRES NA.21

Grade	ACS reagent
InChI Key	WPZFLQRLSGVIAA-UHFFFAOYSA-N
Assay	≥99%
impurities	≤0.01% insolubles ≤0.02 meq/g Titr. free base
mp	698°C (lit.)
anion traces	chloride (Cl-): ≤0.005% sulfate (SO42-): ≤0.01%
cation traces	Mo: ≤0.001% heavy metals and iron (as Pb): ≤0.001%

General description

Sodium tungstate dihydrate is a hydrated sodium salt of tungstic acid. It participates as a catalyst in the preparation of various epoxides. Various crystallographic properties of sodium tungstate dihydrate have been analyzed.

Application

Combines with hydrogen peroxide for the oxidation of secondary amines to nitrones.

Sodium tungstate dihydrate (Na2WO4.2H2O) may be employed in the following studies:
As a derivatization Reagent for the determination of hydrogen peroxide by a fluorimetric method.
Synthesis of N-hydroxy-desferrioxamine B, a metabolite of the microbial product desferrioxamine B.
Preparation of highly crystalline CaMoO4, SrMoO4, CaWO4 and SrWO4 nanoparticles.
Sodium tungstate dihydrate may be used in the preparation of aqueous sols of tungsten oxide dihydrate.