CAS · 7446-20-0
Product Overview
Zinc sulfate heptahydrate is a high-purity pharmaceutical-intermediates supplied for industrial and specialty chemical applications. Contact our team for specifications, packaging options and lead times.
Product Specifications
| Grade | Analytical reagent |
|---|---|
| Assay | 99.5% min |
| pH value | 4.4～6.0 |
| Clearness index test, number | 3% max |
| Water insoluble matters | 0.01% max |
| Chloride (Cl) | 0.0005% max |
| Total nitrogen (N) | 0.001% max |
| Arsenic (As) | 0.00005% max |
| Sodium (Na) | 0.05% max |
| Magnesium (Mg) | 0.005% max |
| Potassium (K) | 0.01% max |
| Calcium (Ca) | 0.005% max |
| Manganese (Mn) | 0.0003% max |
| Iron (Fe) | 0.0005% max |
| Copper (Cu) | 0.001% max |
| Cadmium (Cd) | 0.0005% max |
| Lead (Pb) | 0.001% max |
Applications
Zinc sulfate heptahydrate (CAS 7446-20-0) is a widely used inorganic salt across agriculture, pharmaceuticals, chemical manufacturing, and laboratory research. It serves as a primary source of zinc in fertilizers and animal feed additives, supporting crop nutrition and livestock health. In pharmaceutical and healthcare applications, it is used in formulations for nutritional supplementation and as a component in certain medicinal and topical products. Zinc sulfate heptahydrate is also applied in industrial processes such as textile processing, paper manufacturing, and water treatment, where it functions as a coagulant or processing aid. In laboratories, it is commonly used as a reagent for chemical synthesis, analytical testing, and preparation of other zinc salts and compounds.
Benefits
The benefits of zinc sulfate heptahydrate arise from its high water solubility, chemical stability, and reliable zinc content. The heptahydrate form is easy to handle, measure, and dissolve, ensuring consistent dosing in agricultural, pharmaceutical, and industrial applications. Its zinc ions are readily bioavailable, making it effective for nutritional and supplementation purposes. The compound is compatible with a wide range of formulations and processing conditions, enabling flexible use across different industries. Additionally, its cost-effectiveness and availability make it practical for both large-scale industrial use and routine laboratory applications.
Conclusion
Zinc sulfate heptahydrate is a versatile and essential zinc source used in agriculture, healthcare, industry, and research. Its solubility, stability, and bioavailability support effective nutrient delivery, reliable industrial processing, and consistent laboratory performance. By providing an accessible and efficient form of zinc, zinc sulfate heptahydrate continues to play an important role in modern chemical, agricultural, and pharmaceutical applications.
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