Ferrous Sulfate (CAS 7720-78-7) Ultimate Guide 2025
Contents
- Product Overview & Specifications
- Industrial & Commercial Applications
- Implementation Case Studies
- Procurement Guidance
- Supplier Inquiry
Product Specifications & Technical Parameters
| Parameter | Ferrous Sulfate Heptahydrate | Ferrous Sulfate Monohydrate | Competitive Iron Salts |
|---|---|---|---|
| CAS Number | 7720-78-7 | 17375-41-6 | N/A |
| Purity Grade | 98.5-102.5% | 93-98% | 90-99% |
| Iron Content | 19-21% Fe | 29-31% Fe | 11-35% Fe |
| Solubility (Water) | 25.6g/100ml (20°C) | 42.5g/100ml (20°C) | Variable |
Key Industrial Applications
Water Treatment Solutions
As coagulant for phosphate removal in wastewater plants (0.5-2.5mg/L dosage). Reduces COD by 40-65% in municipal sewage systems.
Agriculture Enhancement
Corrects iron chlorosis in crops at 2-4kg/acre application rates. Increases soybean yields by 15-22% in pH>7 soils.
Pharmaceutical Production
Essential iron supplement in 65mg tablet formulations. Meets USP 35 standards for heavy metal limits (<50ppm).
Implementation Case Studies
Case 1: Municipal Water Plant Optimization
Client: Berlin Water Authority (Germany)
Challenge: Reduce phosphate levels from 8.2mg/L to <1mg/L
Solution: 1.8mg/L FeSO4 dosage + pH adjustment
Result: 92% phosphate reduction with 18% cost savings vs alum
Case 2: Agricultural Recovery Program
Client: Midwest Agribusiness Co. (USA)
Challenge: Iron deficiency in 12,000ha citrus crops
Solution: Foliar spray (0.5% solution) + soil amendment
Result: Yield increase from 18t/ha to 22t/ha in 2 seasons
Procurement Considerations
| Factor | Technical Grade | Food Grade | Pharma Grade |
|---|---|---|---|
| Pricing (USD/Ton) | $150-180 | $420-550 | $1,200-1,800 |
| Lead Time | 2-3 weeks | 4-6 weeks | 8-12 weeks |
| Certifications | ISO 9001 | FDA 21 CFR | cGMP, USP |
Supplier Inquiry & Technical Support
Contact our metallurgy specialists for:
- Bulk pricing (20MT+ quantities)
- Custom particle size specifications (10-200 mesh)
- Regulatory compliance documentation
Email: info@vivalr.com
Phone: (86) 15866781826
Office Hours: Mon-Fri 08:00-17:00 GMT+8



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