Copper Sulphate (CuSO₄)​

  • Product Information
  • Chemical Formula CuSO₄
  • Molar Mass 159.609 g/mol
  • Appearance Blue Crystal or Crystalline Powder, Odorless, Slowly Efflorescent.


Copper (II) Sulphate Pentahydrate; Blue Vitriol; Roman Vitriol; Salzburg Vitriol.

About the Product

Copper sulphate, blue stone, blue vitriol are all common names for pentahydrated cupric sulphate, CuSO45H2O, which is the best known and the most widely used of the copper salts. Indeed it is often the starting raw material for the production of many of the other copper salts.



  • Molecular Formula : CuSO4
  • Molecular Weight :   249.68
  • Solubility : Soluble in water, practically insoluble in ethanol.
  • Assay : 98.0% Minimum
  • Chloride (Cl)  : 0.005% Max
  • Heavy Metal (Pb) : 0.01% Max
  • Iron (Fe) : 0.05% Max
  • Alkalis Sulphate (SO4) : 0.3% Max
  • Seed dressing
  • Soil steriliser, e.g Cheshunt compound (a
    mixture of copper sulphate and ammonium carbonate) to prevent ‘damping-off’ disease of tomato etc.
  • Destruction of algal blooms in reservoirs and swimming pools
  • Prevention of the spread of athletes foot in warm climates, by incorporation in the flooring mixture of swimming baths
  • Mordant in dyeing
  • Reagent in tanning processes