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