Heptahydrate ferrous sulfate food grade price for plants
Sunway Group supplies food-grade ferrous sulfate heptahydrate (CAS 7782-63-0) for nutritional fortification and agricultural nutrient applications. Our pale blue-green crystals comply with GB29211-2012 standards, ensuring lead ≤2 mg/kg, arsenic ≤3 mg/kg, and mercury ≤1 mg/kg for safe use. Packed in 25kg woven bags with inner polyethylene lining, each container holds 18 tons for cost-effective ocean freight. Wholesale buyers in food processing and fertilizer manufacturing can request custom particle size options.