Ironvitriol FeSO4·7H2O FERROUS SULFATE
1、Chemical Name: Ferrous Sulfate
2、Molecular Formula: FeSO4·7H2O ; FeSO4·nH2O
3、Molecular Weight: Heptahydrate :278.01
4、CAS: Heptahydrate: 7782-63-0 ; Dried: 7720-78-7
5、Character: Heptahydrate: It’s blue-green crystals or granules, odorless with astringency. In dry air, it’s efflorescent. In moist air, it oxidizes readily to form a brown-yellow, basic ferric sulfate. It’s soluble in water, insoluble in ethanol.
Dried: It’s gray-white to beige powder.with astringency.It is mainly composed of FeSO4·H2O and contains a few of FeSO4·4H2O.It’s slowly soluble in cold water (26.6 g / 100 ml, 20 ℃), It will be dissolved quickly when heating.It's insoluble in ethanol.Almost insoluble in 50% sulfuric acid.
6、Usage: It is used as nutritional supplement(iron fortifier) and fruit and vegetable colorant.
7、Packing: It is packed with polyethylene bag as inner layer, and a compound plastic woven bag as outer layer. The net weight of each bag is 25kg.
8、Storage and Transport: It should be stored in a dry and ventilative warehouse, kept away from heat and moisture during transportation, unloaded with care so as to avoid damage. Furthermore, it must be stored separately from poisonous substances.
Specification |
GB29211-2012 |
FCC VII |
|
Content,w/% |
Heptahydrate (FeSO4·7H2O) |
99.5-104.5 |
99.5-104.5 |
Dried (FeSO4) |
86.0-89.0 |
86.0-89.0 |
|
Lead(Pb),mg/kg ≤ |
2 | 2 | |
Arsenic (As),mg/kg ≤ |
3 |
———— |
|
Mercury (Hg),mg/kg ≤ |
1 | 1 | |
Acid Insoluble(Dried), w/% ≤ |
0.05 | 0.05 |
Service we can provide:
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