Ferrous sulfate Molecular Formula: FeSO4?X) H20 (X=1 or X=7)
Molecular Weight: 169.01
Properties: bluish green crystal, relative density: 1.895 ~1.898 . m.p.: 64oC. Soluble in water and glycerol, insoluble in alcohols. Ferrous sulfate monohydrate is offwhite powder used for the manufacture of iron salts, ink, iron oxide red and indigo-blue; as fertilizer, herbicide and pesticide.
Item | Ferrous sulfate monohydrate | Ferrous sulfate heptahydrate | |
Agro grade | Feed grade | ||
Ferrous sulfate%≥ | 91.0 | 90.0 | 98.0 |
Fe %≥ | 30.0 | 18.36 | 20.0 |
Pb %≤ | 0.002 | - | 0.002 |
AS %≤ | 0.002 | - | 0.0002 |
Fineness (through 180umtest sieve) %≥ 95 | 95 | - | - |