Ferrous sulfate heptahydrate (FeSO4·7H2O, CAS 7782-63-0) is an iron(II) sulfate salt supplied in industry, fertilizer and feed grades for large-scale industrial and agricultural use. It is widely used as a cost-effective source of ferrous ion for water and wastewater treatment, phosphate precipitation, soil amendment and as an iron supplement in animal feed and fertilizer formulations.
Key features
- Chemical form: Ferrous sulfate heptahydrate (FeSO4·7H2O)
- CAS: 7782-63-0
- Available grades: Industry / Fertilizer / Feed
- Typical impurity limits: Pb ≤ 20 ppm, Cd ≤ 5 ppm, As ≤ 2 ppm (specifications can be adjusted per contractual agreement)
- Packaging: Standard 25 kg woven bags with inner plastic liner; bespoke packing available on request
Primary applications
- Water and wastewater treatment: flocculant and phosphate remover to control eutrophication in surface waters and improve effluent quality
- Agriculture: soil correction and fertilizer additive to supply plant-available iron and correct iron deficiencies
- Animal nutrition: feed-grade material used as an iron supplement where permitted by local feed regulations
- Industrial chemistry: intermediate in pigment production, metal treatment and various chemical manufacturing processes
Quality & regulatory
Produced by a supplier operating under ISO 9001 management systems and with completed EU REACH registration. Available in multiple commercial grades and with batch certificates of analysis on request to support regulatory and QA needs.
Handling & storage
Store in a cool, dry, well-ventilated area away from moisture and incompatibles. Keep sealed in original packaging. Avoid inhalation of dust and contact with skin; follow applicable local safety and transport regulations for handling and disposal.
For technical data sheets, certificate of analysis or customized packaging, request specifications and minimum order quantities from the supplier.
