Factory Price High Quality Zinc Sulfate

• CAS No.: 7446-19-7(H2O),7446-20-0(7H2O)
• Formula: Znso4.H2O, Znso4.7H2O
• EINECS: 231-793-3
• Certification: CCIC, CIQ, RoHS, ISO
• Purity: ≥99%
• Type: Zinc Sulfate
• Model NO.: Feed grade
• Appearance: Colorless or White Crystalline Powder
• Grade Standard: Food Grade
• Transport Package: 25kg/Bag
• Specification: ZnSO4. H2O
• Trademark: Sunway
• Origin: China
• HS Code: 2608000090
• Production Capacity: 3000tons/Month

Product Description

Product Description

Chemical Name: Zinc Sulfate

Molecular Formula: ZnSO₄.H₂O, ZnSO₄.7H₂O

Molecular Weight: 179.48 (Monohydrate), 287.54 (Heptahydrate)

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

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

Usage: Used as food additives, animal feed, printing and dyeing, timber preservative. Also used as an analytical reagent.

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

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

Company Name: Nanjing Jiayi Sunway Chemical Co., Ltd.

 

Quality indicators		Specification		GB25579-2010	FCC,1996
content w/%	ZnSO4.H2O	Content	ZnSO4.H2O	99.0-100.5	98.0-100.5
	ZnSO4.7H2O		ZnSO4.7H2O	99.0-108.7	99.0-108.7
Arsenic (As), mg/kg          ≤		As		0.0003	--
Alkali and alkaline earth metal salt sw/% ≤		Alkali metal		0.50	0.5
Acidity		PH		tested	normal
Selenium(Se), mg/kg          ≤		Se		0.003	0.003
Mercury (Hg), mg/kg          ≤		Hg		0.0001	0.0005
Lead (Pb), mg/kg           ≤		Pb		0.0004	0.001
Cadmium (Cd), mg/kg           ≤		Cd		0.0002	0.0005