FERROUS SULPHATE HEPTAHYDRATE Extra Pure

Chemical Information
Article No.	AL2186
Grade	Extra Pure
Purity	98.50%
CAS Number	7782-63-0
Molecular Formula	FeSO4.7H2O
Molecular Weight	278.01
HS Code	28332910
Shelf Life	3 Years

Physical Properties
Physical state at 20 °C	Solid
Solubility in water(% weight)	48.6 g/100 g water @ 500C
Colour	Green powder
Boiling point(°C)	> 300 °C
Melting point/ Freezing point(°C)	64 °C
Vapour pressure mm/Hg	14.6 mm Hg at 25 °C
pH value	3 - 4 at 50 g/l at 25 °C
Density (g/cm3)	1.898 g/cm3 at 25 °C
Odour	Odorless

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

Specifications
Assay	98.5 - 104.5%
Zinc (Zn)	Max 0.05%
Lead (Pb)	Max 0.001%
Copper (Cu)	Max 0.005%
Heavy metals (as Pb)	Max 0.005%
Arsenic (As)	Max 0.0002%
Chloride (Cl)	Max 0.01%
Appearance	Green colored crystalline powder