Sunway Zinc Sulphate 33% Granular From China

• CAS No.: 7446-20-0
• Certification: CCIC, CIQ, RoHS, ISO
• Purity: ≥99%
• Type: Zinc Sulfate
• Appearance: White Crystalline Powder
• Grade Standard: Food Grade
• Model NO.: Industrial Grade
• Transport Package: 25kg/Bag
• Specification: 80mesh
• Trademark: Sunway
• Origin: China
• HS Code: 28332930
• Production Capacity: 1500tons/Month

Product Description

Zinc Sulfate Heptahydrate

Chemical Name: Zinc sulfate

Molecular Formula: ZnSO₄·7H₂O

Molecular Weight: 287.54 (Heptahydrate)

CAS: 7446-20-0 (7H₂O)

Character: Colorless or white crystalline powder, odorless. Efflorescence in air. Acid hydrometer is 1.957 (25/4) to litmus. Melting point is 100°C. Soluble in water and glycerol, insoluble in ethanol. Low toxicity, loses crystal water at 280°C.

Usage: Food additives, animal feed, printing and dyeing, timber preservative. Analytical reagent.

Packing: Packed in polythene bag as inner layer, compound plastic woven bag as outer layer. Net weight of each bag is 25kg.

Storage and Transport: Store in dry, ventilated warehouse; keep away from water and moisture during transport; handle with care to avoid bag damage. Store separately from poisonous substances.

Company: Nanjing Jiayi Sunway Chemical Co., Ltd.

Index		Specification		GB25579-2010	FCC,1996
content w/%	ZnSO4.H2O	Content	ZnSO4.H2O	99.0	99.0
	ZnSO4.7H2O		ZnSO4.7H2O	99.0	99.0
(As), mg/kg          ≤		As		0.0003	--
alkali metal      w/% ≤		Alkali metal		0.50	0.5
acidity		PH		pass test	normal
(Se), mg/kg          ≤		Se		0.003	0.003
(Hg), mg/kg          ≤		Hg		0.0001	0.0005
(Pb), mg/kg           ≤		Pb		0.0004	0.001
(Cd), mg/kg           ≤		Cd		0.0002	0.0005