ALUMINIUM AMMONIUM SULPHATE DODECAHYDRATE Extra Pure

Chemical Information
Article No.	AL0191
Grade	Extra Pure
Purity	98%
CAS Number	7784-26-1
Molecular Formula	NH4AI (SO4)2.12H2O
Molecular Weight	453.32
HS Code	28333010
Shelf Life	5 Years

Physical Properties
Physical state at 20 °C	Solid
Solubility in water(% weight)	14% in water
Colour	White powder
Boiling point(°C)	280 °C
Melting point/ Freezing point(°C)	93.5 °C
pH value	2.6
Density (g/cm3)	1.65
Odour	Odorless

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

Specifications
Iron (Fe)	Max 0.001%
Arsenic (As)	Max 0.003%
Chloride (Cl)	Max 0.005%
Appearance	White crystalline powder