Zinc sulphate hepta
Chinese name：Zinc sulphate hepta
English name：Zinc sulfate Heptahydrate
Chinese alias ：White vitriol; gallizinite; goslarite
CAS RN：7446-20-0
EINECS No：231-793-3
Molecular formula： ZnSO₄·7H₂O 
Molecular weight：287.5786
Physicochemical property ：Colorless rhomboidal prism-shaped crystal.
Melting point ：100℃
Relative density ：1.957
Solubility：Easy soluble in water, slightly soluble in alcohol and glycerine.
Use：Used as mordants, wood preservatives,bleach in paper industry.Also used in pharmaceutical,man-made fiber,electrolysis, electroplating, pesticide and zinc production,etc.
Molecular structure：