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Ferrous Sulphate Heptahydrate IP |
| Code Number » |
- - - X - - - |
| Synonym » |
Iron (II) Sulfate |
| CAS No. » |
7720-78-7 |
| Molecular Formula » |
FeSO4.H2O |
| Molecular Weight » |
278.01 |
| Description » |
Bluish green crystals or light green, crystalline powder; odourless. Efflorescent in air. On exposure to moist air, the crystals rapidly oxidise and become brown.
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| Specifications
» |
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Solubility |
Very soluble in boiling water; freely soluble in water; practically insoluble in ethanol (95%). |
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Identification A |
It gives the reaction of Ferrous Salt |
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Identification B |
It gives the reaction of sulphates |
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pH |
3.0 to 4.0. |
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Arsenic |
Max. 2 ppm |
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Copper |
Max. 50 ppm |
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Lead |
Max. 50 ppm |
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Zinc |
Max. 500 ppm |
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Manganese |
Max. 0.1% |
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Chloride |
Maximum 250 ppm. |
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Ferrous Sulphate Content |
98 % to 105 % |
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| Packing » |
- - - X - - - |
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