ANTIMONY TRIOXIDE Extra Pure

Chemical Information
Article No.	AL0474
Grade	Extra Pure
Purity	98.50%
CAS Number	1309-64-4
Molecular Formula	Sb2O3
Molecular Weight	291.52
HS Code	28258000
Shelf Life	5 Years

Physical Properties
Physical state at 20 °C	Solid
Solubility in water(% weight)	0.0287 g/l at 20 °C
Colour	White crystalline
Boiling point(°C)	1425 °C
Melting point/ Freezing point(°C)	655 °C
Density (g/cm3)	5.2

Safety Information and Hazard Symbols
Signal Word	Warning
Precaution Statement	P281
Symbol	GHS08
Hazardous Statement	H351

Specifications
Iron (Fe)	Max 0.005%
Assay	Min 98.5%
Sulphate (SO4)	Max 0.05%
Arsenic (As)	Max 0.06%
Chloride (Cl)	Max 0.05%
Appearance	White crystalline powder