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Ferrous Sulfate Heptahydrate
Product name: Ferrous Sulfate Heptahydrate
CAS No.: 7782-63-0
Molecular Formula:
FeSO4·7H2O
Molecular Weight: 278.05
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.
