AMMONIUM FERRIC SULPHATE DODECAHYDRATE Extra Pure

Chemical Information
Article No.	AL0352
Grade	Extra Pure
Purity	98%
CAS Number	7783-83-7
Molecular Formula	NH4Fe(SO4)2.12H2O
Molecular Weight	482.19
HS Code	28333020
Shelf Life	5 Years

Physical Properties
Solubility in water(% weight)	482.2 g/l at 20 °C
Colour	Pale violet crystals
Melting point/ Freezing point(°C)	39 - 41 °C
pH value	1
Density (g/cm3)	1.71
Odour	Odorless
Physical state at 20 °C	Solid

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

Specifications
Lead (Pb)	Max 0.002%
Zinc (Zn)	Max 0.005%
Copper (Cu)	Max 0.002%
Chloride (Cl)	Max 0.002%
Appearance	Pale violet crystals