Zinc Sulphate IP

Zinc Sulphate also known as white vitriol is an inorganic compound that occurs in anhydrous, monohydrate, hexahydrate and heptahydrate forms.


Zinc Sulphate is used as a coagulant in the production of rayon. It is also used to supply zinc in animal feeds, fertilizers and agricultural sprays, to control moss growth on roofs, as an electrolyte for zinc plating, as a mordant in dyeing, as a preservative for skins and leather and in medicine as an astringent and emetic.


Chemical Name: Zinc Sulphate
Mol. Formula: ZnSO4.7H2O
Mol. Weight: 287.56 g/mol
CAS No: 7446-20-0


General Specifications

Test Specification
Characters It occurs as a colorless, transparent crystals or a white crystalline powder, odorless, efflorescent

Test (A)

Test (B)


(a)It gives the reaction of sulfates

(b)It gives the reaction of zinc

Solubility Very soluble in water, practically insoluble in ethanol (95%)
Appearance of solution Solution is clear and colorless
pH 4.4 to 5.6
Arsenic Not more than 10 ppm
Chlorides Not more than 250ppm
Iron Not more than 100ppm
Assay Not less than 99.0% and not more than 104.0% of ZnSO4.H2O


Shelf life, Storage and Packing

It should be stored in a segregated area in a cool and ventilated place away from combustible materials. Keep in a tightly closed container, sealed until ready for use. It is packed in 25kg or 50kg HDPE bags or drums as required.


GLP, cGMP (FDA) Approved, ISO 9001, ISO 14001, ISO 45001, ISO 17025, ISO 22000, FSSC 22000, FSSAI, Halal and Kosher certified.
We observe WHO Good manufacturing practice and Good laboratory practice.

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