Sodium Tungstate Dihydrate

Sodium Tungstate Dihydrate

  • Molecular formula:Na2WO4 · 2H2O
  • Molecular weight:329.8477
  • CAS No:10213-10-2
  • Properties:White crystalline powder, soluble in water, insoluble in ethanol, slightly soluble in ammonia.
  • Application:Intermediate products in the production of tungsten materials can also be used as mordants, catalyst pigments, and analytical reagents. Textile workers use them as fabric weighting agents, water treatment agents, to manufacture fire-resistant and waterproof materials, as well as phosphotungstates and borotungstates.

Indicator Description

AR

Na2WO4 · 2H2O % ≥

99.0

M% ≤

0.001

As% ≤

0.001

Cu% ≤

0.0005

Fe% ≤

0.001

Si% ≤

0.004
PH

8.5-9

Water insoluble substances ≤

0.005

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