
Zinc Sulphate Hepta CAS 7446 20 0 Powder Granular
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Zinc Sulphate Hepta CAS 7446 20 0 Powder Granular
Product Overview
Zinc Sulphate Hepta is a high-purity inorganic zinc salt widely traded in global chemical and agricultural markets. This product features stable chemical properties and versatile industrial and agricultural applicability, supporting bulk export procurement for global buyers. The product carries REACH registration, and reliable MSDS download service is available for customs clearance and safety assessment needs. The exclusive identification CAS 7446-20-0 corresponds to its standard chemical structure with molecular formula ZnSO₄·7H₂O.
Product Aliases
Common commercial and chemical aliases of Zinc Sulphate Hepta include Zinc Sulfate Heptahydrate, White Vitriol, Zinc Vitriol, Heptahydrate Zinc Sulphate.
Physical Properties & Appearance
Zinc Sulphate Hepta is supplied in two mainstream physical forms including powder and granular. It appears as white or colorless transparent crystalline solid with fine and uniform texture. The product is easily soluble in water, slightly soluble in ethanol, and prone to weathering in open air due to gradual loss of crystal water. It owns stable physical state under sealed and dry storage conditions, with a density of 1.97 g/cm³ and melting point of 100℃, meeting international bulk shipment standards.
Product Specifications (Industrial Standard Grade)
Below is the mainstream standard technical index of Zinc Sulphate Hepta for global import and bulk trade:
|
Item |
Standard Specification |
|---|---|
|
ZnSO₄·7H₂O Purity |
≥98.0% |
|
Zinc (Zn) Content |
≥21.0% |
|
Iron (Fe) Content |
≤0.005% |
|
Lead (Pb) Content |
≤0.002% |
|
Water Insoluble Matter |
≤0.02% |
|
pH Value (5% Solution) |
4.0-6.0 |
Main Applications
Zinc Sulphate Hepta is a core multi-functional chemical raw material widely used in diverse global industries. In agriculture, it serves as a key zinc trace element fertilizer to improve crop zinc deficiency and promote plant growth, and acts as an essential feed additive for livestock and poultry breeding. In industrial fields, it is applied in electroplating processing, water treatment, lithopone pigment production, paper bleaching and wood preservation. It also supports pharmaceutical intermediate processing and leather manufacturing, with stable quality suitable for long-term bulk procurement and global industrial supply chains.
FAQ
1. What are the available physical forms of Zinc Sulphate Hepta for export?
Zinc Sulphate Hepta has two mainstream export specifications: powder and granular. Granular type features good fluidity and anti-caking performance for fertilizer and feed use, while powder type with high fineness is more suitable for industrial fine processing scenarios.
2. Is Zinc Sulphate Hepta compliant with international safety standards?
This product completes formal REACH registration to meet EU market access requirements. Complete safety documents are supported, and standard MSDS download is accessible for global customs declaration, commodity inspection and enterprise safety filing.
3. What storage conditions are required for Zinc Sulphate Hepta bulk stock?
Zinc Sulphate Hepta is weatherable and hygroscopic. Bulk products need sealed storage in cool, dry and ventilated warehouses, avoiding direct moisture and high temperature environments to maintain stable physical and chemical properties during long-distance ocean transportation and inventory storage.

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