Food Grade Zinc Sulphate Znso4 7H2O

• CAS No.: 7446-20-0
• Formula: Znso4.7H2O
• Certification: CCIC, CIQ, RoHS, ISO
• Purity: ≥99%
• Type: Zinc Sulfate
• Appearance: White Crystalline Powder
• Grade Standard: Food Grade
• CAS: 7446-20-0
• Transport Package: 25kg/Bag
• Specification: 80mesh
• Trademark: Sunway
• Origin: China
• HS Code: 28332930
• Production Capacity: 1500tons/Month

Product Description

1. Chemical Name: Zinc sulfate

2.Molecular Formula: ZnSO4·7H2O,

3.Molecular Weight: 287.54(Heptahydrate)

4.CAS: 7446-20-0(7H2O)

5.Character: It is colorless or white crystalline powder, odorlessness. Efflorescence in air. Acid hydrometer is 1.957(25/4) to litmus. Melting point is 100. It's soluble in water and glycerol,insoluble in ethanol and light toxicity, lose crystal water in 280.

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

7.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.

8.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 separately from poisonous substances.
 

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

9.Company information
Nanjing Jiayi Sunway Chemical Co., ltd is one of the largest inorganic salt manufacturer in China based in Nanjing, capital of Jiangsu province. We produce, sell and export Chemical products such as Ammonium Chloride and other chlorides, Copper sulphate and other sulphates,  Phosphates etc.
Nanjing Jiayi Sunway Chemical Co., ltd works with customers to deliver innovative products and solutions while maintaining a commitment to safety and sustainability.
Sunway has established a network of strategic alliances with distribution companies who lack the capability to ascend factories to commercial scale and manufacture products in accordance with quality specifications. Our company invests and works with many factories in china.
The products we offer are widely appreciated for their effectiveness, reasonable cost. By serving the commendable range, we have expanded our clientele in several countries like in Europe, Central and West Africa, Middle East, Asia and America.