Product Details
| Product Name: Ferrous Sulphate | CAS No.: 7782-63-0 |
| Min. Order: 1ton | Purity: 99% |
| Supply Ability: 1000T/M | Release date: 2025/10/22 |
Technical Data Sheet
Ferrous Sulphate (Iron(II) Sulphate)
Synonyms: Iron(II) sulfate, Ferrous sulfate heptahydrate, Green vitriol
CAS No: 7782-63-0 (Heptahydrate)
Molecular Formula: FeSO₄·7H₂O
Molecular Weight: 278.01 g/mol
1. Product Description
Ferrous Sulphate (FeSO₄·7H₂O) is a pale blue-green crystalline solid or granule that is soluble in water and used widely as an iron source in food fortification, feed premixes, fertilizers, and industrial applications. It provides highly bioavailable iron and also functions as a reducing agent in chemical manufacturing and water treatment.
2. Specifications — Food / Pharmaceutical Grade (Typical FCC / USP Standard)
| Item | Specification / Typical Value | Test Method / Reference |
|---|---|---|
| Appearance | Light blue-green crystalline powder or granules | Visual |
| Identification | Positive for Fe²⁺ and SO₄²⁻ | USP / FCC |
| Assay (FeSO₄·7H₂O) | 99.0 – 102.0 % (on dry basis) | USP |
| Iron Content (Fe) | 19.0 – 20.5 % | Redox titration |
| Loss on Drying (105 °C) | 45.0 – 50.0 % | USP |
| pH (5% solution) | 3.0 – 4.5 | 25 °C |
| Insoluble Matter | ≤ 0.1 % | USP |
| Heavy Metals (as Pb) | ≤ 10 ppm | ICP |
| Lead (Pb) | ≤ 2 ppm | ICP |
| Arsenic (As) | ≤ 1 ppm | ICP |
| Cadmium (Cd) | ≤ 1 ppm | ICP |
| Mercury (Hg) | ≤ 0.1 ppm | ICP |
| Chloride (Cl⁻) | ≤ 0.05 % | USP |
| Sulphate (SO₄²⁻) | Pass test | USP |
| Microbiological Limits | Total plate count ≤ 1000 cfu/g; Yeast & Mold ≤ 100 cfu/g; E. coli, Salmonella negative | ISO / USP |
3. Specifications — Feed / Industrial Grade
| Item | Specification / Typical Value |
|---|---|
| Appearance | Blue-green crystalline powder or granules |
| FeSO₄·7H₂O Content | ≥ 98.0 % |
| Iron (Fe) | ≥ 19.0 % |
| Moisture | ≤ 3.0 % |
| Water Insoluble Matter | ≤ 0.5 % |
| pH (5% solution) | 3.0 – 4.5 |
| Heavy Metals (as Pb) | ≤ 20 ppm |
Applications:
Feed additive for iron supplementation
Fertilizer additive for soil enrichment
Water treatment (phosphate removal, odor control)
Pigment and dye industry
4. Typical Applications
Pharmaceuticals / Nutraceuticals: Treatment and prevention of iron deficiency anemia
Food Industry: Iron fortification in flour and cereals
Feed Industry: Iron source in animal feed formulations
Industrial: Coagulant, reducing agent, fertilizer ingredient, and wastewater treatment chemical
5. Physical & Chemical Properties
| Property | Value |
|---|---|
| Appearance | Pale blue-green crystalline powder |
| Odor | Odorless |
| Taste | Metallic, slightly astringent |
| Solubility | Soluble in water, insoluble in alcohol |
| Density (bulk) | 1.9 – 2.0 g/cm³ |
| Melting Point | Decomposes at ~56 °C (loses water) |
| Stability | Stable under dry conditions; oxidizes slowly on exposure to air |
6. Storage & Handling
Store in a cool, dry, and well-ventilated area
Protect from moisture, air, and light
Keep container tightly sealed to prevent oxidation
Avoid contact with acids, alkalis, and oxidizing agents
Handle under GMP / HACCP guidelines for food/pharma grades
7. Packaging
| Grade | Standard Packaging |
|---|---|
| Food / Pharma Grade | 25 kg fiber drum or multi-layer kraft paper bag with PE liner |
| Feed / Industrial Grade | 25 kg woven bag or 1000 kg jumbo bag |
8. Shelf Life
24 months under sealed, dry storage conditions away from direct sunlight and moisture.
For more information, please visit this website：https://www.khonorchem.com
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China- Since: 2025-04-07
- Address: C-309, No. 12 Yuzhou S. Rd, Haizhou, Lianyungang, Jiangsu, China