SODIUM TUNGSTATE DIHYDRATE Extra Pure

Chemical Information
Article No.	AL4310
Grade	Extra Pure
Purity	98%
CAS Number	10213-10-2
Molecular Formula	Na2WO4.2H2O
Molecular Weight	329.86
HS Code	28418010
Shelf Life	5 Years

Physical Properties
Solubility in water(% weight)	730 g/L (20 °C)
Colour	White crystalline
Melting point/ Freezing point(°C)	698 °C
pH value	9 - 11.5 at 100 g/l at 20 °C
Density (g/cm3)	4.18
Odour	Odorless
Physical state at 20 °C	Solid

Safety Information and Hazard Symbols
Signal Word	Warning
Symbol	GHS07
Hazardous Statement	H302

Specifications
Iron (Fe)	Max 0.002%
Sulphate (SO4)	Max 0.005%
Chloride (Cl)	Max 0.01%
Appearance	White Crystalline Powder