Ingredient Information

Ferrous Sulfate


Ferrous sulfate is commonly known as a blue-green heptahydrate. It is an oral iron supplement, which is odorless. The substance has a saline, styptic (sharp or harsh) taste. It's molecular formula is Fe SO 4 ⋅7H 2 O

Other Use and Industries

Ferrous Sulfate is mainly used in the manufacturing of fertilizer, ink, color, and medicines. This substance is also used in the process of water purification, in photography, and the tanning of leather. Woodcraftsmen make use of ferrous sulfate to carve designs and geometrical figures on wood furniture and decorative items. Moreover, craftsmen make use of this substance to color wood in a silver tone. Ferrous sulfate can additionally be used to stain limestone, sandstone, and concrete in yellow rust pigment. Furthermore, it can be implemented to reduce the chromate content in cement, as a garden/lawn conditioner, and as an effective moss deterrent.

Health Effects

Ferrous sulfate helps replenish the iron content in those suffering from iron deficiency anemia. Therapeutic benefits may be noted within 2-4 weeks of iron sulfate dosage. On the other hand, various side effects, such as constipation, nausea, abdominal cramps, diarrhea, and other such discomforts may be experienced by people who are allergic to iron sulfate.


Ferrous sulfate (crystallized) occurs as a white-green crystal powder whereas ferrous sulfate (dry) occurs as a gray-white powder. Ferrous sulfate that exists in a moist state consists of 7 molecules of hydrogen. Meanwhile, dried Iron sulfate chiefly consists of monohydrate (1 water molecule) with some tetrahydrate (4 water molecules).

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