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Zinc Sulphate Heptahydrate CAS 7446-20-0 Powder Granular

Product Overview

Zinc Sulphate Heptahydrate is a widely used inorganic zinc salt compound, registered under REACH regulation for full compliance with European market standards. This product is available in powder and granular forms to meet diverse industrial and agricultural application needs, with stable physical properties and consistent quality suitable for bulk import and large-scale commercial use. CAS 7446-20-0 is the unique chemical identification number for this product, and its molecular formula is ZnSO4·7H2O, ensuring clear chemical traceability for global buyers.

Other Names of Zinc Sulphate Heptahydrate

Zinc Sulfate Heptahydrate

White Vitriol

Zinc Vitriol

Sulfuric Acid Zinc Salt Heptahydrate

Zinc Sulphate Hepta

Product Properties and Physical Characteristics

Zinc Sulphate Heptahydrate appears as white or colorless crystalline solids, available in fine powder and uniform granular textures. It is odorless with a slight metallic astringent taste, and shows efflorescence in dry air. This compound is highly soluble in water and glycerol, practically insoluble in ethanol, and its aqueous solution is weakly acidic. It maintains stable chemical properties under normal storage conditions, with low dust generation for easy handling and transportation in bulk shipments.

Industrial Grade Quality Specification (Most Common Standard)

Main Applications of Zinc Sulphate Heptahydrate

Zinc Sulphate Heptahydrate is a versatile raw material with core applications across agriculture, animal feed, industrial manufacturing, and water treatment sectors, making it a high-demand product for international importers.

Agricultural Use: Acts as a critical zinc fertilizer to correct zinc deficiency in soil, promote healthy crop growth, improve fruit yield and quality, and prevent leaf yellowing and stunted growth in various fruits, vegetables and field crops. Powder and granular forms are compatible with different fertilization methods, including soil application and foliar spraying.

Feed Additive: Serves as an essential zinc supplement for livestock and poultry feed, supporting normal growth, immune function and reproductive performance of animals, and is widely used in feed processing for poultry, swine and aquaculture.

Industrial Applications: Used as a raw material for producing other zinc compounds, a dye mordant in textile industry, a flotation agent in mineral processing, and a water treatment agent for industrial wastewater purification. It also plays a role in electroplating and battery manufacturing industries.

Important Documents and Compliance

This Zinc Sulphate Heptahydrate product has completed REACH registration to meet EU chemical regulatory requirements. Full MSDS download is available for this product, providing detailed safety data, handling instructions and storage guidelines to support importers' customs clearance, transportation and daily production management.

Frequently Asked Questions (FAQ)

1. What is the minimum order quantity for bulk import of Zinc Sulphate Heptahydrate?

Bulk order quantities are flexible to match international shipping standards, with full container load (FCL) as the mainstream option, and partial container load (LCL) support available for small-batch trial imports. Packaging can be customized as 25kg/bag or 50kg/bag to meet different logistics and storage needs.

2. How to ensure the quality stability of Zinc Sulphate Heptahydrate during long-distance ocean shipping?

The product is packaged with moisture-proof and sealed materials to resist efflorescence and moisture absorption during transit. Strict quality inspection is conducted before shipment, and complete quality certificates are provided to verify that all indicators meet the agreed industrial grade standard.

3. Are powder and granular forms of Zinc Sulphate Heptahydrate interchangeable in applications?

Powder form features faster dissolution speed, ideal for foliar fertilization and liquid feed preparation; granular form has better flowability and low dust, suitable for soil fertilization and mechanical blending. Both forms meet the same core quality standards, and selection depends on specific application scenarios.

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