Home > Products > Zinc Series > Zinc Sulfate Monohydrate and Heptahydrate
Product Description
1. Product name: Zinc sulfate
2. Molecular Formula: ZnSO4·H2O ZnSO4·7H2O
3. Molecular Weight: 179.46(Monohydrate) 287.56(Heptahydrate)
4. CAS: 7446-19-7(H2O) 7446-20-0 (7H2O)
5. Character:
Monohydrate: It is white or almost white, crystalline powder, or colourless, transparent crystals, very soluble in water, practically insoluble in ethanol (96%).
Heptahydrate: It is white or almost white, crystalline powder or colourless, transparent crystals, efflorescent, very soluble in water, practically insoluble in alcohol.
6. Application: it is used in infant formula powder for nutrition supplement.
7. Packing: 25kgs paper bag or customized package.
8. Product parameter
| Test item | USP | EP | ||
| Identification | Passes test | Passes test | ||
| Content | monohydrate | 99.0-108.7 % | 99.0-104.0 % | |
| heptahydrate | 99.0-100.5 % | 99.0-101.0 % | ||
| Arsenic | ≤ | 14 ppm | --- | |
| Lead | ≤ | 20 ppm | --- | |
| Alkalies and Alkalies earths | ≤ | 0.9 % | --- | |
| Iron | ≤ | --- | 100 ppm | |
| Chlorides | ≤ | --- | 300 ppm | |
| pH | --- | 4.4-5.6 | ||
Product Pictures
