Product name ： Ferrous Sulfate Heptahydrate
Product Category：Health care products and pharmaceutical intermediates/Iron salts;
CAS No.： 7782-63-0
Formula:FeSO₄·7H₂O
Characters:bluish green monoclinic crystal, can be easily weathered in air, soluble in water, insoluble in alcohols.
Specifications:

Ferrous Sulfate Heptahydrate	A.R.	C.P.	Electronic grade	USP31
Assay(FeSO4.7H2O)%	99.0～101.0	99.0～101.0	99.0～101.0	99.5～104.5
Water insoluble%	≤0.05	≤0.02	≤0.05	——
Chlorides(Cl) %	≤0.001	≤0.005	≤0.001	——
Phosphate（PO4）%	≤0.0005	≤0.002	≤0.0005	——
Arsenic (As)%	≤0.0002	≤0.00002	≤0.0002	≤0.0003
Iron (Fe)%	≤0.02	≤0.10	≤0.02	——
Copper (Cu)%	≤0.002	≤0.01	≤0.002	——
Zinc (Zn)%	≤0.005	≤0.02	≤0.02	——
Manganese (Mn)%	≤0.05	——	≤0.05	——
Mercury (Hg)%	——	——	——	Pass
Total nitrogen %	≤0.001	——	≤0.001	——
Lead (Pb)%	≤0.002	≤0.005	≤0.002	≤0.001
Ammonia water non-precipitate %	≤0.05	≤0.20	≤0.05	——
Organic volatile matters	——	——	——	Pass

Product Usage: Used as water purifier, gas scavenger, dye mordant,herbicide; also used the manufacture of printing ink and pigments etc.
Packaging:In 25Kg/woven bag, lined with double-layer plastic bag
Storage Precautions:Stored in a cool, ventilated and dry place at room temperature.
MSDS: Download