Iron (II) Sulphate Heptahydrate (Ferrous Sulphate)

What is Iron (II) Sulphate Heptahydrate (Ferrous Sulphate)? Iron (II) Sulphate Heptahydrate, also known as Ferrous Sulphate, is a high-purity crystalline compound that consists of iron, sulphur, and water molecules. It is typically found in its heptahydrate form, meaning it contains seven water molecules per formula unit.

Consistent Quality: We use only carefully sourced Iron (II) Sulphate Heptahydrate, ensuring reliable and consistent performance for a wide range of applications in agriculture, pharmaceuticals, and industry.

Shipped from Manchester, UK Facility: Sourced and packaged in non-toxic, chemical-resistant containers, ensuring safe handling and consistent quality for our customers.

Frequent Uses

Leather Tanning
Plays a role in the leather tanning process, where it is used to create certain types of leather, particularly in the production of light-coloured or pale leather. It acts as a mordant, helping to fix the dye to the leather and enhancing the tanning process.

Industrial and Manufacturing Uses
In various industrial applications, it is used as a reducing agent in chemical processes and in the production of other iron compounds. It is also used in the preparation of pigments, inks, and in the manufacture of certain dyes. Additionally,

• Source of iron in fertilisers
• Water purifying
• Pigments and dyes
• Leather production
• Reducing agent
• Catalysts

Assay: >98.1%
Molecular Formula: FeSO₄•7H₂O
Molecular Weight: 278.01g/mol
Iron: 20.0%m/m
Appearance AT 20˚C: Damp green crystals
Form & order: Light green with a slight acidic odour
Moisture: 2.4 % m/m approx. in excess of water of crystallisation
Sulphur: 11.6%m/m
Loss of weight at 105˚C (48hr): 38.4%m/m
Approx moisture in excess of water of crystalline: 1.3%mm
Water insoluble matter: < 0.1%m/m
Dilute acid in soluble matter: < 0.1%m/m
Chloride: < 0.1%m/m
Aluminium: 20mg/kg
Arsenic: < 0.3mg/kg
Boron: 70mg/kg
Barium: < 4mg/kg
Beryllium: < 0.5mg/kg
Calcium: 200mg/kg
Cadmium: < 0.03mg/kg
Cobalt: 5.2mg/kg
Chromium: 25mg/kg
Copper: 1mg/kg
Mercury: < 1mg/kg
Potassium: < 60mg/kg
Lithium: < 5mg/kg
Magnesium: 33mg/kg
Manganese: 1100mg/kg
Molybdenum: 1.4mg/kg
Sodium: 20mg/kg
Nickle: 38mg/kg
Phosphorous: < 100mg/kg
Lead: < 1mg/kg
Antimony: < 1mg/kg
Selenium: 2mg/kg
Silicon: 40mg/kg
Tin: < 0.8mg/kg
Titanium: 11mg/kg
Thallium: < 0.007mg/kg
Vanadium: 1.7mg/kg
Zinc: 20mg/kg
pH of 10% m/m solution: 2.58
pH of 30% m/m solution: 2.25

Retained on 2mm: 0.0%
Retained on 1mm: 65.6%
Retained on 0.5mm: 33.8%
Retained on 0.25mm: 0.6%
Retained on 0.125mm: < 0.01%
Retained on 0.036mm: < 0.01%
Passing 0.063mm: < 0.01%

Cas Number: 7782-63-0

Einecs Number: 231-753-5

HS Code / Commodity Code: 2833298080

Hazard Phrases: H302,H315,H319

Prec Phrases: P301+P312,P330,P305+P351+P338