Zinc Sulphate Heptahydrate (White Crystal) 21% (Chemical Formula: ZnSO₄·7H₂O) is a high-quality inorganic zinc salt supplied as clean white crystalline granules. It is widely used in agriculture, fertilizer manufacturing, animal nutrition, chemical processing, and laboratory applications due to its excellent water solubility and reliable zinc content.
Manufactured by Nissi Chem Industries (Pvt. Ltd.) in Gujarat, India, this product is produced under controlled conditions to ensure uniform crystal size, consistent zinc levels, and dependable performance for domestic and export markets.
Key Features & Benefits
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Zinc Content ~21% suitable for agricultural and industrial use
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White Crystalline Form with good visual quality and low impurities
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Excellent Water Solubility for fast nutrient availability
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Free-Flowing Crystals for easy handling and application
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Consistent Quality & Scalable Supply from Gujarat manufacturing base
Technical Specification Table
| Parameter | Specification |
|---|---|
| Product Name | Zinc Sulphate Heptahydrate (White Crystal) |
| Chemical Name | Zinc Sulphate Heptahydrate |
| Chemical Formula | ZnSO₄·7H₂O |
| CAS Number | 7446-20-0 |
| Molecular Weight | 287.54 g/mol |
| Appearance | White crystalline granules |
| Zinc Content (Zn) | ~21% |
| Purity | Agricultural / Industrial grade |
| Solubility | Freely soluble in water |
| pH (5% solution) | 4.0 – 6.0 |
| Form | Crystalline granules |
| Packaging | 50 kg HDPE bags |
| Manufacturer | Nissi Chem Industries (Pvt. Ltd.), Gujarat, India |