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Zinc Sulphate Heptahydrate, Sulphate, Feed Additives manufacturer / supplier in China, offering Lowest Price/Heptahydrate Zinc Sulphate/Monohydrate. H2O/Heptahydrate. 7H2O, Food Grade /Industrial Grade Sodium Tripolyphosphate, Sodium Tripolyphosphate (STPP) for Detergent---Certificated by CIQ, SGS, Ccic and so on.

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Lowest Price/Heptahydrate Zinc Sulphate/Monohydrate. H2O/Heptahydrate. 7H2O

FOB Price: Get Latest Price
Min. Order: 20 Tons
Port: Qingdao, China
Production Capacity: 5000mt/Year
Payment Terms: L/C, T/T, D/P, Western Union, Paypal

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Basic Info
  • Certification: CCIC, CIQ, SGS, RoHS, ISO
  • Type: Zinc Sulphate
  • Grade Standard: Agriculture Grade
  • Transport Package: 25kg, 50kg, and etc.
  • Origin: China
  • Purity: 90%~99%
  • Appearance: Powder
  • CAS No.: 7446-20-0
  • Specification: Zn: 21%MIN
  • HS Code: 2833293000
Product Description

Zinc sulphate heptahydrate/ZnSO4.7H2O/Zn 21%/CAS 7446-20-0
Chemical Name : Zinc sulphate heptahydrate
CAS NO.: 7446-20-0
Molecular formula:ZnSO4.7H2O
Molecular Weight: 287.54

Property: white granular or power, orthorhombic crystals, convergent, in dry air will chalking. Heated to 0 ºCwill lost part of crystalline water, to 100ºCwill lost six molecules of water of crystallization, and lost seven molecules of water of crystallization at 280ºC, at 767ºCwill be decomposed into ZnO and SO3. Soluble in water, slightly soluble in ethanol and glycerin, it needs to keep sealed.

Usage: Mainly used as the raw material for zinc barium and other zinc salts, auxiliary materials for viscose fiber and Vinylon fibers. It also used for dyeing mordant, wood and leather preservative, glue clarifies and preservative, pharmaceutical emetic and fungicides. In agriculture, it can be used to trace element fertilizers.

Packaging: In 25kg or 50kg plastic woven bags within PE liner.

Super gradeGrade IQualified grade
Major componentsZn %≥22.5122.0620.92
ZnSO4 7H2O %≥
Insoluble substance % ≤
pH-value (50g/l solution)≥3.03.0-
Chloride (Cl) content ≤%0.200.60-
Pb %≤0.0010.010.01
Fe %≤0.0030.020.06
Mn %≤0.0050.10-
Cd %≤0.0010.01-
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