Zinc Sulphate

• CAS No.: 7446-20-0
• Formula: Znso4.7H2O
• Certification: CCIC, CIQ, ISO, Kosher,Halal
• Purity: ≥99%
• Type: Zinc Sulphate
• Appearance: Powder
• Model NO.: Food additive
• Grade Standard: Food Grade
• Transport Package: 25kgs Kraft Paper Bag Line with PE
• Specification: FCCVII
• Trademark: KOLOD
• Origin: China, Jiangsu
• HS Code: 28332930
• Production Capacity: 10000mts

Product Description

Zinc Sulfate

PRODUCT NAME:

Zinc Sulfate

Molecular formula:

ZnSO4.H2O, ZnSO4.7H2O

Molecular weight:

179.48(Monohydrate), 287.54(Heptahydrate)

CAS NO.:

7446-19-7(H2O); 7446-20-0 (7H2O)

Performance:

It is colorless or white crystalline powder, odorlessness. Efflorescence in air. Acid hydrometer is 1.957(25/4ºC) to litmus. Melting point is 100ºC. It's soluble in water and glycerol, insoluble in etha

Packing:

It is packed with polythene bag as the inner layer, and a compound plastic woven bag as the outer layer. The net weight of each bag is 25kg.

Storage and transport:

It should be stored in a dry and ventilative warehouse; kept away form water and moisture during transport; unloaded with care, so as to avoid damage to bags. Furthermore, it should be stored separate

use:

It is used as food additives, animal feed, printing and dyeing, timber preservative.Used as analytical reagent.

other information:

Specification		GB25579-2010	FCC,1996
Content w/%	ZnSO4.H2O	99.0-100.5	98.0-100.5
	ZnSO4.7H2O	99.0-108.7	99.0-108.7
As,mg/kg ≤		0.0003	-
Alkali metal w/% ≤		0.50	0.5
PH		passed	qualified
Se,mg/kg ≤		0.003	0.003
Hg,mg/kg ≤		0.0001	0.0005
Pb,mg/kg ≤		0.0004	0.001
Cd,mg/kg ≤		0.0002	0.0005