Iron Sulphate

Buy Iron Sulphate in 1Kg, 5Kg and 25Kg formats. The price of the different formats of iron sulphate can be seen when you select the format you want. The order is made directly through the Web following the steps indicated, . The delivery arround Europe is made in 4-5 days with UPS. In case you have any doubt please contact us.

Heptadrate Iron Sulphate, chemical formula FeSO4-7 H2O. Iron sulphate has several applications, mainly as an EC fertiliser, but also in nutrition. It is also used as a colouring agent, especially for concrete to give a rust colour. In horticulture as a lawn conditioner, or in the colouring of wool.


Name: Iron sulphate
Synonyms: Ferrous sulphate, Iron (II) tetraoxosulphate (VI), Vitriol green, Vitriol iron, Caparose green.
Chemical formula: FeSO4-7 H2O
CAS: 7782-63-0
EC: 231-753-5
Composition: >90% iron sulphate heptahydrate

  • Appearance: Crystalline Solid
  • Colour: Blue-green
  • Odour: Odourless
  • pH: 4.6 (10%)
  • Melting point: at 60ºC there is a partial loss of water ºC
  • Boiling point/boiling range: at 300°C, dehydration occurs.
  • Relative density: 2.97
  • Water solubility: >100 g/l (20ºC, pH 3.7)
  • Decomposition temperature: >300ºC
  • Explosive properties: Non-explosive
  • Oxidising properties: not oxidising


Iron sulphate has several uses. It is especially used in agriculture to lower the pH of the soil and thus release micronutrients that may have become trapped, insolubilised. It is also widely used to stain concrete surfaces, giving them a reddish or rusty appearance. You can see more in this section: Uses of Iron Sulphate

If you want to know more, you can find more information about Iron Sulphate in the following links.

Product Ref. Document
Iron Sulphate ALQ0011 Material Safety Data Sheet MSDS:    EN          &nbsp  
Iron Sulphate ALQ0011 Technical specifications
You can also see the Material Safety Data Sheets (MSDS) of all products in this section: MSDS
Weight 5,5 kg
Dimensions 0,3 × 0,3 × 0,3 cm
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