Chemical Formula: FeSO₄·7H₂O
Physical Appearance: Blue-green crystalline solid; odorless and slightly efflorescent; soluble in water, forming light green solutions.
Applications: It is used as an iron supplement in animal feed and fertilizers. Used for phosphate and odor control in water treatment, and as a reducing agent in chemical processes. Additionally, it is an important component in the production of paints, inks, and pigments.