Basic Info.
Product Description
| Specification | GB25579-2010 | FCC,1996 | |
| Content | ZnSO4.H2O | 99.0-100.5 | 98.0-100.5 |
| ZnSO4.7H2O | 99.0-108.7 | 99.0-108.7 | |
| As | 0.0003 | -- | |
| Alkali metal | 0.50 | 0.5 | |
| PH | pass test | normal | |
| Se | 0.003 | 0.003 | |
| Hg | 0.0001 | 0.0005 | |
| Pb | 0.0004 | 0.001 | |
| Cd | 0.0002 | 0.0005 | |
Product Description
Chemical Name: Zinc Sulfate
Molecular Formula: ZnSO4·H2O, ZnSO4·7H2O
Molecular Weight: 179.48 (Monohydrate), 287.54 (Heptahydrate)
CAS: 7446-19-7 (H2O); 7446-20-0 (7H2O)
Character: Colorless or white crystalline powder, odorless. Efflorescence in air. Acid hydrometer is 1.957 (25/4°C) to litmus. Melting point is 100°C. Soluble in water and glycerol, insoluble in ethanol. Light toxicity, loses crystal water at 280°C.
Usage: Food additives, animal feed, printing and dyeing, timber preservative. Analytical reagent.
Packing: Polythene bag as inner layer, compound plastic woven bag as outer layer. Net weight: 25kg.
Storage and Transport: Store in dry, ventilated warehouse. Keep away from water and moisture during transport. Handle with care to avoid bag damage. Store separately from poisonous substances.
Company: Nanjing Jiayi Sunway Chemical Co., Ltd.
