Basic Info.
Product Description
1. Chemical Name: Zinc sulphate monohydrate
2. Molecular Formula : ZnSO4⋅H2O
3. Molecular Weight: 179.49
4. CAS: 7446-19-7
5. Character: It is colorless or white crystalline powder, odorlessness, efflorescence in air. Acid hydrometer is 1.957(25/4ºC) to litmus. Melting point is 100ºC. It's soluble in water and glycerol, insoluble in ethanol and light toxicity, lose crystal water in 280ºC.
6. Usage: It is used as food additives, animal feed, printing and dyeing, timber preservative and also used as analytical reagent.
7. Packing: It is packed with polythene bag as the inner layer, and a compound plastic woven bag as the outer layer. The net weight of each bag is 25kg.
8. Storage and Transport: It should be stored in a dry and ventilative warehouse; kept away form water and moisture during transport; unloaded with care, so as to avoid damage to bags. Furthermore, it should be stored separately from poisonous substances.
Product Parameters
Specification | GB25579-2010 | FCC V |
Color | colorless or white | Colorless or white |
Content | 99.0-100.5 | 98.0-100.5 |
As | 0.0003 | --- |
Alkalies and alkaline earths | 0.5 | 0.5 |
Acidity | Qualified | Qualified |
Se | 0.003 | 0.003 |
Hg | 0.0001 | 0.0005 |
Pb | 0.0004 | 0.001 |
Cd | 0.0002 | 0.0005 |