TUNGSTEN (VI) OXIDE Extra Pure

Chemical Information
Article No.	AL4713
Grade	Extra Pure
Purity	98%
CAS Number	1314-35-8
Molecular Formula	WO3
Molecular Weight	231.85
HS Code	28259090
Shelf Life	5 Years

Physical Properties
Physical state at 20 °C	Solid
Colour	Light yellow
Melting point/ Freezing point(°C)	1470 - 1475 °C
pH value	6.1 at 100 g/l
Density (g/cm3)	7.16
Odour	Odorless

Safety Information and Hazard Symbols
Signal Word	Warning
Precaution Statement	P261-P305 + P351 + P338
Symbol	GHS07
Hazardous Statement	H302-H315-H319-H335

Specifications
Iron (Fe)	Max 0.002%
Sulphate (SO4)	Max 0.01%
Lead (Pb)	Max 0.001%
Calcium (Ca)	Max 0.03%
Chloride (Cl)	Max 0.05%
Appearance	Greenish yellow crystalline powder