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