Copper Sulphate

Specification of Copper Sulphate
CAS NO. 7758-99-8 (Pentahydrate)
 EINECS NO  231-847-6
 Formula  CuSO4 . 5H2O
 Mol Wt.  249.68
 HS Code  2833.25
 Physical and Chemical Properties
Physical State Odorless Blue Crystals
 Melting Point  110 °C
  Boling Point  653 °C
 SOLUBILITY IN WATER   Soluble (but Insoluble In Alcohol)
  Specific Gravity  2.28
 pH   3.7 – 4.5 (5% sol.)
 Vapor Density   8.6
 Flash Point   Not considered to be a fire hazard
 Stability Stable under ordinary conditions
 Appearance  Blue Crystalline Powder
CuSO4 . 5H2O  98.5 %
 Cu  25.0 %
 Fe  0.02 %
 Pb  0.002 %
 Cd  0.0003 %
 Free H2SO4  0.046 %
  H2O  0.01 %
  As  0.002 %
  Ni  0.1 %
 Hg  0.01 ppm