| Zinc Sulfate |
| PRODUCT NAME: |
Zinc Sulfate |
| Molecular formula: |
ZnSO4.H2O, ZnSO4.7H2O |
| Molecular weight: |
179.48(Monohydrate), 287.54(Heptahydrate) |
| CAS NO.: |
7446-19-7(H2O); 7446-20-0 (7H2O) |
| Performance: |
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 etha |
| 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. |
| 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 separate |
| use: |
It is used as food additives, animal feed, printing and dyeing, timber preservative.Used as analytical reagent. |
| other information: |
| Specification |
GB25579-2010 |
FCC,1996 |
| Content w/% |
ZnSO4.H2O |
99.0-100.5 |
98.0-100.5 |
| ZnSO4.7H2O |
99.0-108.7 |
99.0-108.7 |
| As,mg/kg ≤ |
0.0003 |
- |
| Alkali metal w/% ≤ |
0.50 |
0.5 |
| PH |
passed |
qualified |
| Se,mg/kg ≤ |
0.003 |
0.003 |
| Hg,mg/kg ≤ |
0.0001 |
0.0005 |
| Pb,mg/kg ≤ |
0.0004 |
0.001 |
| Cd,mg/kg ≤ |
0.0002 |
0.0005 |
|
|
Jiangsu Kolod Food Ingredients Co., Ltd.
Audited Supplier 
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