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
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

Specification

Item	Unit	Specification
Zn	%min	22
Pb	ppmMax	10
As	ppmMax	5
Cd	PpmMax	10
Fineness

Usage

ZnSO4.7H2O 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.

Packing

Packed in 20/ 25kg bags or 1250 bags with inner bags on pallets or without pallets,or according to customers' request.

Storage

Dry and hermetic.