Crystalline ZnSO4-zinc sulphate heptahydrate 21%min

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Basic description

Formula: ZnSO4·7H2O

CAS No.: 7446-20-0

HS Code: 283329300
EIENCS: 231-793-3
Quality: ISO9001:2000

Physical Description

Mol Weight:287.56

Appearance: white crystalline powder  or granular
Odour: Odorless
Melting Point: It loses water at 30 degree C to give the hexahydrate and more water is lost at 70 degree C to form the monohydrate. Lose hexahydrate at 100 degree,The anhydrous salt forms at 280 degree C
Melting  Point: 100 C (Decomposes)
Density: 1.957

  Zinc Sulphate hepta    

ITEMS       UNIT         SPECIFICATION        

Zn     %min             21

Pb     (ppm) max        10 

As     (ppm) max        5    

Cd    (ppm) max        10    

 Uses

ZnSO4 is mainly used as raw material for the production of lithopone  and zinc salts.  It is also used in synthetic fiber industry, zinc plating,    Pesticides,flotation, fungicide and water purification.

Storage 

   Dry and hermetic.