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Pduct Details
Product Name Sodium Tungstate Dihydrate
Alias
English
Molecular formula

Na2WO4.2H2O

Molecular weight 329.85
CAS No 10213-10-2
EINECS
Specification

Appearance

White crystal powder

Na2WO4•2H2O

98%min

WO3

69% min

Mo

0.02%max

As

0.002%max

Cl-

0.03%max

Fe

0.002% max

SO42-

0.02% max

Heavy metal (Pb)

0.002%max

PH

8-9

Water Insoluble Matter

0.01%max

Appearance traits

Properties:  

Appearance:The plate-like crystal of the white oblique crystal systemboiling point:

melting point :(ºC):698   density: (g/mL,25/4℃):4.180

stability : Dissolved in water, the solution is alkaline.Insoluble in ethanol, slightly soluble in ammonia

Use

Used to make metal tungsten, tungstate, tungstate, dye, ink, catalyst etc

Package

25KG/ fiber drum 

Other product information
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