Zinc sulfate heptahydrate
| 製品名 | Zinc Sulfate Heptahydrate |
|---|---|
| 別名 | White Vitriol, Zinc Vitriol, Zinc Sulfate Heptahydrate |
| CAS番号 | 7446-20-0 |
| 分子式 | ZnSO4·7H2O |
| 分子量 | 287.56 g/mol |
| 外観 | White crystalline powder or granules |
| アッセイ | ≥99.0% (complexometric titration) |
| Zinc Content | ≥22.5% |
| pH (5% solution) | 4.0 – 6.0 |
| 乾燥減量 | ≤1.0% |
| 重金属 | 10 ppm以下 |
| 溶解度 | Soluble in water, slightly soluble in ethanol |
| 粒子径 | Customizable upon request |
| パッケージ | 25 kg net PP woven bags with PE liner, or as per customer requirement |
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Synonyms: Zinc sulfate heptahydrate, White vitriol, Zinc vitriol, Zinc sulfate 7-hydrate, Sulfuric acid zinc salt heptahydrate
Zinc sulfate heptahydrate is the heptahydrate form of zinc sulfate, a colorless crystalline solid that is highly soluble in water. It is produced by reacting zinc oxide or zinc metal with sulfuric acid, followed by crystallization. The heptahydrate is the most common commercial form, containing approximately 22.5% elemental zinc, and is available in technical, food, and pharmaceutical grades.
As an essential trace element, zinc plays a critical role in numerous biological processes, including enzyme function, immune response, and protein synthesis. Zinc sulfate heptahydrate is widely used as a source of zinc in dietary supplements, pharmaceutical preparations, animal feed, and agricultural applications. Its high solubility and bioavailability make it a preferred choice for formulations requiring rapid zinc absorption.
| パラメータ | 仕様 |
|---|---|
| Assay (as ZnSO4·7H2O) | ≥99.0% |
| Zinc Content | ≥22.5% |
| pH (5% solution) | 4.0 – 6.0 |
| 乾燥減量 | ≤1.0% |
| 重金属 | 10 ppm以下 |
| Arsenic | ≤3 ppm |