Copper (II) sulfate, also known as cupric sulfate or copper sulphate, is the inorganic compound with the chemical formula CuSO4.

This salt exists as a series of compounds that differ in their degree of hydration. The anhydrous salt is a white powder in its pure form, whereas the pentahydrate (CuSO4•5H2O), the most commonly encountered salt, is bright blue.

  • Formula: CuSO4.5H2O
  • MW: 249.70
  • EINECS NO: 231-847-6
  • CAS NO: 7758-98-8
  • HS Code: 28332500

Application

 
  • As a herbicide, fungicide and pesticide
  • Niche uses
  • Analytical reagent
  • Organic synthesis
  • Chemistry education
  • Medical Uses
  • Art Application
  • Etching
  • Dyeing

Specification

 
(i) Copper (as Cu) percent by weight, minimum 24.0
(ii) Matter insoluble in water percent by weight, maximum 1.0
(iii) Soluble iron and aluminium compounds (expressed as Fe), percent by weight, maximum 0.5
(iv) Lead (as Pb) percent by weight, maximum 0.003
(v) pH not less than 3.0
(vi) Sulphur (asS),percent by weight, minimum 17.0

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