Name: Zinc sulfate Heptahydrate

Other names: Zinc sulfate, heptahydrate; Zinc Sulphat; Heptahydrate; sulfuricacid, zincsat (1: 1), heptahydrate; whitevitriol (heptahydrate); zincsulfate (1: 1) heptahydrate; Zincsulfateheptahydrate (1: 1: 7); Zinesulfate, medicinal; SALT OF VITRIOL; SULFURIC ACID ZINC SALT HEPTAHYDRATE; ZINC SULFATE, 7-HYDRATE; ZINC SULFATE, HYDROUS; ZINC SULPHATE 7H20; ZINC SULPHATE HEPTAHYDRATE; ZINC VITRIOL HEPTAHYDRATE; ZINC SULFATE HEPTA; ZINC SULPH

CAS : 7446-20-0

Molecular formula: ZnSO4 · 7 (H2O)

Molecular weight: 287.55

Melting point: 100 ° C

Density: 1.957

Water-melting: 960 g / L

Physical and chemical properties: Properties Colorless orthorhombic prismatic crystal.

Melting point: 100 ° C

Relative density: 1.957

Solubility: easily soluble in water. Slightly soluble in alcohol and glycerin.

Nature and stability

1. Easily soluble in water (96.5g / 100ml water at 20 ℃; 663.6g / 100ml at 100 ℃). Slightly soluble in alcohol and glycerol.

2. Gradually weather in dry air. It loses all crystal water at 280 ℃ and becomes anhydrous. It decomposes above 500 ℃.

Usage: Used as mordant, wood preservative, paper industry bleach, but also used in medicine, man-made fibers, electrolysis, electroplating, pesticides and zinc salt production.