Granular Ferrous Sulphate Heptahydrate
Granular Ferrous Sulphate Heptahydrate
Granular Ferrous Sulphate Heptahydrate
Granular Ferrous Sulphate Heptahydrate
Granular Ferrous Sulphate Heptahydrate

Granular Ferrous Sulphate Heptahydrate

Granular Ferrous Sulphate Heptahydrate, also known as iron(II) sulfate, is a hydrated inorganic salt with seven water molecules. It is commonly used as a source of iron in fertilizers and animal feed, as well as a coagulant in water purification systems. Its granular blue-green appearance and excellent solubility in water make it an ideal choice for various chemical, industrial, and environmental applications.

  • Consistent Quality: Strict production standards with pre-production sampling and final inspections.

  • Large Scale Production: Annual output exceeding 500,000 tons ensures steady global supply.

  • Multi-Grade Availability: Suitable for both industrial-grade and food-grade requirements.

  • Color Stability: Distinct blue-green crystals or granules ensure authenticity and purity.

  • Global Applications: Trusted by manufacturers in Asia, Europe, Africa, and the Middle East.

Description
Technical Data
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Description

Ferrous Sulphate Heptahydrate (FeSO₄·7H₂O) is a high-purity, blue-green crystalline compound widely utilized in industries such as water treatment, agriculture, pharmaceuticals, and food processing. Produced through advanced and mature production processes, this compound provides dependable quality, high iron content, and broad application compatibility.

Granular Ferrous Sulphate Heptahydrate 

Our factory offers stable supply backed by an annual production capacity exceeding 500,000 tons, ensuring reliable fulfillment for both domestic and international demand.


Description

Ferrous Sulphate Heptahydrate, also known as iron(II) sulfate, is a hydrated inorganic salt with seven water molecules. It is commonly used as a source of iron in fertilizers and animal feed, as well as a coagulant in water purification systems. Its granular blue-green appearance and excellent solubility in water make it an ideal choice for various chemical, industrial, and environmental applications.

This product is available in granular or crystalline forms, with custom packaging options and export-ready support for global clients.

 

Packaging & Delivery

Granular Ferrous Sulphate Heptahydrate

Packaging Option Specification
Standard Bags 25kg kraft paper bag / woven plastic bag
Bulk Packaging 50kg / 100kg drum; 500kg / 1000kg container bags
Storage Dry, cool, and ventilated environment
Shelf Life 2 years (if stored properly)
Lead Time (Estimated) 1–10 kg: 10 days
11–1000 kg: 20 days
>1000 kg: Negotiable

Technical Data

Granular Ferrous Sulphate Heptahydrate

Granular Ferrous Sulphate Heptahydrate 

Parameter Ferrous Sulphate Heptahydrate Ferrous Sulphate Monohydrate
Chemical Formula FeSO₄·7H₂O FeSO₄·H₂O
CAS Number 7782-63-0 17375-41-6
EINECS No. 231-753-5
Purity ≥98% ≥91%
Appearance Blue-green crystals or granules Grey-white powder
Iron (Fe) Content ≥19.7% ≥30%
Lead (Pb) ≤20 ppm ≤20 ppm
Arsenic (As) ≤2 ppm ≤2 ppm
Cadmium (Cd) ≤5 ppm ≤5 ppm
Melting Point 64°C
Density 1.898 g/cm³
Solubility Soluble in water and glycerol Soluble
Insolubility Insoluble in ethanol Insoluble
Grade Food Grade / Industrial Grade Industrial Grade

Applications

1. Agricultural Industry

Granular Ferrous Sulphate Heptahydrate

  • Fertilizer Additive: Provides essential iron to crops, correcting chlorosis and improving soil quality.

  • Soil Amendment: Treats alkaline soils, making micronutrients more bioavailable to plants.

2. Water Treatment

  • Flocculant/Coagulant: Effectively removes phosphates and other impurities in sewage and industrial water systems.

  • Odor Control Agent: Reduces hydrogen sulfide in wastewater, helping eliminate foul smells.

3. Animal Feed Additive

  • Iron Supplement: Prevents anemia and supports metabolic functions in livestock and poultry.

  • Approved Additive: Widely used in feed premixes for its bioavailable iron content.

4. Pharmaceuticals & Food

  • Iron Fortification: Used as a nutritional additive in flour and cereals in some regions.

  • Astringent Agent: Historically used in medical formulations for its hemostatic properties.

5. Industrial Applications

  • Dyeing & Printing Mordant: Acts as a fixative for fabric dyes and inks.

  • Pigment Manufacture: Used to produce iron-based pigments.

  • Wood Preservation: Protects timber from rot and insect damage.

Granular Ferrous Sulphate Heptahydrate

More Details

How to Order

Step 1: Define Your Need

  • Choose your preferred grade (Food / Industrial)

  • Decide between monohydrate or heptahydrate

  • Select packaging (25kg, 50kg, 1-ton bulk)

Step 2: Request Samples or Documents

  • Ask for COA, MSDS, and TDS

  • Confirm compliance for your industry use

Step 3: Finalize Terms

  • Choose incoterm (FOB, CFR, CIF, EXW, etc.)

  • Confirm delivery location and estimated shipping date

Step 4: Make Payment

  • Payment types accepted: T/T, L/C, Credit Card, PayPal

  • Custom branding and labeling options available for bulk orders


Conclusion

Ferrous Sulphate Heptahydrate (FeSO₄·7H₂O) is a critical industrial and agricultural chemical, serving vital roles from water purification to plant nutrition. Our high-purity, blue-green crystalline formulation ensures efficient performance in every application.

With massive production capacity, certified quality assurance, and flexible logistics, we are your go-to source for bulk FeSO₄·7H₂O supply.

Contact now to request a quote, get a sample, or place your order.

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Granular Ferrous Sulphate Heptahydrate

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