China and India are the leading exporters of ferrous sulfate heptahydrate globally, accounting for a substantial majority of export volume in recent years, while the United States, Germany, and Brazil represent the largest importers. Ferrous sulfate heptahydrate prices have remained relatively stable amid moderate demand growth from agricultural and water treatment sectors. Export volumes from China have edged upward since 2022, while Indian exports have plateaued, and U.S. imports have increased modestly—reflecting steady but not accelerating global demand.
Ferrous sulfate heptahydrate is a blue-green crystalline solid, odorless and non-volatile, with a melting point of approximately 64 °C (decomposes with loss of water). It is an inorganic salt and hydrated iron(II) sulfate, classified as a transition metal compound and common source of ferrous iron. It serves as a key precursor in the synthesis of iron oxide pigments (e.g., magnetite and hematite), ferrites for electronics, and iron-based catalysts. Major application areas include water treatment (as a coagulant aid and phosphate precipitant), animal nutrition (as an iron supplement in feed), and agrochemical formulations (e.g., iron chelates and micronutrient fertilizers).
This chemical is included in Basic Chemicals. See more about what is Ferrous sulfate heptahydrate and Ferrous sulfate heptahydrate SDS information.
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