| Customization: | Available |
|---|---|
| CAS No.: | 7446-20-0 |
| Certification: | CCIC, CIQ, RoHS, ISO |
|
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Chemical Name: Zinc sulfate
Molecular Formula: ZnSO4·7H2O
Molecular Weight: 287.54 (Heptahydrate)
CAS: 7446-20-0 (7H2O)
Character: Colorless or white crystalline powder, odorless. Efflorescence in air. Acid hydrometer is 1.957 (25/4) to litmus. Melting point is 100. Soluble in water and glycerol, insoluble in ethanol. Light toxicity, loses crystal water at 280.
Usage: Food additives, animal feed, printing and dyeing, timber preservative. Analytical reagent.
Packing: Packed in polythene bag as the inner layer, and a compound plastic woven bag as the outer layer. Net weight of each bag is 25kg.
Storage and Transport: Store in a dry and ventilative warehouse. Keep away from water and moisture during transport. Unload with care to avoid bag damage. Store separately from poisonous substances.
Provided by Nanjing Jiayi Sunway Chemical Co., Ltd.
| Index | Specification | GB25579-2010 | FCC,1996 | ||
| content w/% | ZnSO4.H2O | Content | ZnSO4.H2O | 99.0 | 99.0 |
| ZnSO4.7H2O | ZnSO4.7H2O | 99.0 | 99.0 | ||
| (As), mg/kg ≤ | As | 0.0003 | -- | ||
| alkali metal w/% ≤ | Alkali metal | 0.50 | 0.5 | ||
| acidity | PH | pass test | normal | ||
| (Se), mg/kg ≤ | Se | 0.003 | 0.003 | ||
| (Hg), mg/kg ≤ | Hg | 0.0001 | 0.0005 | ||
| (Pb), mg/kg ≤ | Pb | 0.0004 | 0.001 | ||
| (Cd), mg/kg ≤ | Cd | 0.0002 | 0.0005 | ||
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