Ferrous Sulphate Heptahydrate
Ferrous sulfate heptahydrate, commonly known as green vitriol or iron(II) sulfate heptahydrate, is a blue-green crystalline solid. It
has a molar mass of 278.05 g/mol and crystallizes in the monoclinic crystal system. The compound is soluble in water, with a
solubility of 48.6 g/100 mL at 50°C, and slightly soluble in ethanol. It has a melting point of 64°C, at which it begins to lose its water
of crystallization. The density of ferrous sulfate heptahydrate is approximately 1.89 g/cm³. It is odorless but can oxidize in moist air,
forming a brown coating of ferric sulfate. This compound is commonly used in various applications, including as a reducing agent,
in water treatment, and in the synthesis of other iron compounds.
Items |
Guaranteed Specification |
FeSO4. 7H2O |
98% Min |
Fe |
19.7% Min |
Pb |
20 ppm Max |
As |
2 ppm Max |
Cd |
5 ppm Max |
Size |
Through 40 mesh sieve |
Ferrous sulfate heptahydrate is widely used in various fields due to its versatile properties. In agriculture, it serves as a soil amendment
to correct iron chlorosis in plants, enhancing plant growth and yield. It is also employed as a moss killer and herbicide. In water
treatment, ferrous sulfate acts as a coagulant to remove impurities and improve water clarity. The compound is used in the production
of iron compounds and as a reducing agent in industrial applications. Additionally, ferrous sulfate heptahydrate is important in the
pharmaceutical industry for the treatment of iron deficiency anemia. It plays a role in animal nutrition as a supplement to ensure
adequate iron intake for livestock. Overall, its multifunctional nature makes ferrous sulfate heptahydrate a valuable chemical in
agriculture, water treatment, industrial processes, and health care.
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