Sodium Tungstate Dihydrate
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Product Description
Product
Sodium Tungstate Dihydrate
CAS
13472-45-2
Formula
Na2WO4 x 2H2O
Synonym
Sodium tungsten oxide (Na2WO4)
Typical Product Specifications
Solubility in water, WO3 Basis
<= 4.90 lb/gal (25C)
Moisture
<= 10.0 - 11.3%
Lead as Pb
<= 0.002% wt.
Heavy metals (as Pb)
<= 0.01% wt.
Insoluble Matter
<= 0.02% wt.
Iron
<= 0.01% wt.
WO3
>= 69.00% wt.
Alkalinity
<= 0.10% wt. (Na2CO3)
Chloride
<= 0.03% wt.
Sulfate
<= 0.02% wt.
pH
8.0 - 10.0 (aqueous solutions)
Na2WO4 x 2H2O
>= 99.00% wt.
Notes
Used as a source os soluble tungsten for corrosion and fire inhibition, catalysts, ceramics, colors, and inks.
Class
Industry
Functions
Sodium Tungstate Dihydrate
Product Description
Product
Sodium Tungstate Dihydrate
CAS
13472-45-2
Formula
Na2WO4 x 2H2O
Synonym
Sodium tungsten oxide (Na2WO4)
Typical Product Specifications
Solubility in water, WO3 Basis
<= 4.90 lb/gal (25C)
Moisture
<= 10.0 - 11.3%
Lead as Pb
<= 0.002% wt.
Heavy metals (as Pb)
<= 0.01% wt.
Insoluble Matter
<= 0.02% wt.
Iron
<= 0.01% wt.
WO3
>= 69.00% wt.
Alkalinity
<= 0.10% wt. (Na2CO3)
Chloride
<= 0.03% wt.
Sulfate
<= 0.02% wt.
pH
8.0 - 10.0 (aqueous solutions)
Na2WO4 x 2H2O
>= 99.00% wt.
Notes
Used as a source os soluble tungsten for corrosion and fire inhibition, catalysts, ceramics, colors, and inks.
Class
Industry
Functions
