Basic Product Parameters
Chemical name: Zinc Sulfate monohydrate
Molecular formula: ZnSO₄·H₂O
Molecular weight: 179.44
CAS number: 446-19-7
Physical & Chemical Properties
The product presents as colorless transparent prismatic, acicular crystals or granular crystalline powder with no odor. It features high water solubility, and its aqueous solution shows acidic reaction to litmus test paper. Slight solubility is observed in ethanol and glycerin. The product undergoes dehydration when exposed to temperatures exceeding 238℃, with stable physical and chemical properties under normal ambient storage conditions.
Industrial & Food Grade Applications
This product serves as a standard zinc nutritional fortifier and food processing aid compliant with general food safety specifications. It is applicable for zinc supplementation and processing auxiliary use in multiple commercial food categories, including dairy products, infant formula foods, liquid milk beverages, grain and grain-based products, edible salt, carbonated and non-carbonated soft drinks, maternal nutritional formula, cocoa powder, and flavored solid nutritional beverages.
Standard Packaging Specification
Dual-layer packaging is adopted for standard shipments. The inner layer is a food-grade polyethylene lining bag for moisture isolation and product purity protection, and the outer layer is a reinforced compound plastic woven bag for mechanical damage resistance. Each package carries a fixed net weight of 25kg, with complete packaging labeling including product information, batch number and production specifications.
Storage & Transportation Requirements
Warehouse storage requires dry, well-ventilated indoor environments with constant ambient conditions to avoid dampness and high temperature. During land and sea transportation, consignments must be kept away from heat sources and humid environments. Manual and mechanical unloading shall be conducted gently to prevent packaging rupture and product leakage. Strict isolated storage and transportation from toxic, hazardous and contaminating substances is mandatory to ensure product purity and compliance.

|
Specification |
GB25579-2010 |
FCC VII |
|
Content,w/% |
99.0-100.5 |
99.0-100.5 |
|
Arsenic(As),w/% ≤ |
0.0003 |
---- |
|
Alkalis and Alkaline Earths,w/% ≤ |
0.50 |
0.50 |
|
Acidity, |
Pass Test |
Pass Test |
|
Selenium(Se),w/% ≤ |
0.003 |
0.003 |
|
Mercury(Hg),w/% ≤ |
0.0001 |
0.0005 |
|
Lead(Pb),w/% ≤ |
0.0004 |
0.0004 |
|
Cadmium(Cd), w/% ≤ |
0.0002 |
0.0002 |

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