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Zinc Sulphate
CAS NO.: 7733-02-0
EIENCS NO.: 231-793-3
H.S. CODE: 2833293000
MOLECULAR FORMULA: ZnSO4﹒H2O

Features:
Pure zinc sulfate keep white for a long time storage in air, loss of water and become white powder in dry air. There are a number of hydrate: 0-39 ℃ is Zinc Sulphate Heptahydrate , 39-60 ℃ is ZnSO4﹒6H2O, 60-100 ℃ is Zinc Sulphate Monohydrate

Application
1. Used as microelement fertilizer in agriculture
2. Used as feed additive for zinc fortifier
3. Apply in producing lithopone and zinc salt
4. Used as emetic in medicine

Package:
Packed in PP woven bags with PE film liner. Net weight of each bag: 25kgs, 50kgs, 1000kgs.

Storage:
Store in a cool, ventilated warehouse. Away from fire and heat source. Prevent direct sunlight. Packing seal. Should be stored apart with oxidizing agent, avoid mixing storage.

The quality standard:

Items

Specification

Zinc Sulphate Monohydrate

Zinc Sulphate Heptahydrate

High-Class

First-Class

Qualifier

High-Class

First-Class

Qualifier

Purity % ≥

98

97

95

99

97

92

Insoluble matter content %  ≤

0.02

0.05

0.1

0.02

0.05

0.1

PH value ( 50g /L ) % ≥

4

4

——

3

3

——

Zn content % ≥

35.7

35.34

34.61

22.51

22.06

20.92

Cl content % ≤

0.2

0.6

——

0.2

0.6

——

Pb  content % ≤

0.002

0.007

0.01

0.002

0.01

0.01

Fe content % ≤

0.008

0.02

0.06

0.005

0.02

0.06

 Mn content % ≤

0.01

0.03

0.05

0.01

0.1

——

Cd content % ≤

0.002

0.007

0.01

0.002

0.01

——

Cu content % ≤

0.001

——

——

0.002

——

——