Ferrous Sulfate Heptahydrate

Product Category: Pharmaceutical Intermediates

CAS No.: 7782-63-0
Formula: FeSO₄·7H₂O
Molecular Weight:
Characters: bluish green monoclinic crystal, can be easily weathered in air, soluble in water, insoluble in alcohols.
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.
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

Certifications: ISO
Brand Name: SELLWELL
Price Terms: EX-Work,FOB,CIF
Payment Terms: T/T, Western-Union, MoneyGram, L/C
Minimum Order: 100KG
Delivery Time: 7 days