Iron (II) Sulphate Heptahydrate (Ferrous Sulphate)


Iron(II) Sulphate or Ferrous Sulphate is a salt with the formula FeSO4. It is used medically to treat iron deficiency, and also for industrial applications. Known since ancient times as copperas and as green vitriol, the blue-green heptahydrate is the most common form of this material. All Iron Sulphates dissolve in water to give the same aquo complex [Fe(H2O)6]2+, which has octahedral molecular geometry and is paramagnetic.

Minimum Assay: >98.1%
Molecular Formula: FeO4S•7H2O
Molecular Weight: 272.08
Iron (Fe2+): 18.8 % m/m
Appearance: Green-blue crystalline material
Moisture: 2.4 % m/m approx. in excess of water of crystallisation
Insoluble Matter: <0.1% m/m

Hazard Phrases: Harmful if swallowed. Causes skin irritation. Causes serious eye irritation.

Prec Phrases: IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell. Rinse mouth. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

Cas No: 7782-63-0
Einecs No: 231-753-5

HS CODE: 2833298080


Following the UK’s departure from the EU on 1 January 2021, all European shipments are sent on a DAP Basis (Delivered at Place).

This means that the buyer will be liable for import VAT at their prevailing national rate and for orders over 150€ (including carriage) import duties will become chargeable at your prevailing national rate.

The Duty is ascertained by your national customs authority based on the HS Code of each product. The HS Code is shown in the “European Shipment” section of each product page.


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