Professional food additive production supplier
Work hard to promote the accelerated development
of the food ingredient industry
Professional food additive production supplier
Work hard to promote the accelerated development
of the food ingredient industry
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Zidong Food
Zinc sulfate
| Product Image |  |
| Product Name | Zinc sulfate |
| Molecular formula | ZnSO4·H2O，ZnSO4·7H2O |
| Molecular weight | 1Monohydrate: 179.49; Heptahydrate: 287.58 |
| CAS NO. | Monohydrate: 7446-19-7； Heptahydrate: 7446-20-0 |
| Performance | It is colorless or white crystalline powder, odourlessness. Efflorescence in air. Acid hydrometer is 1.957(25/4℃) to litmus. Melting point is 100℃. It's soluble in water and glycerol, insoluble in ethanol and harmfulless, lose crystal water in 280℃. |
| Use | It is used as food additives, animal feed, printing and dyeing, timber preservative.Used as analytical reagent. |
| Package | It is packed with polyethylene bag as liner 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, ventilative and clean warehouse; kept away from moisture and heat and stored separately from poisonous substances. Handled with care, so as to avoid damage to packing bags. |
| Quality Index | GB25579-2010 | |
| Color | Colorless or white | |
| Content % | ZnSO4.H2O | 99.0-100.5 |
| ZnSO4.7H2O | 99.0-108.7 | |
| As ≦% | 0.0003 | |
| Alkali metal ≦% | 0.5 | |
| Acidicty | Pass test | |
| Se ≦% | 0.003 | |
| Hg ≦% | 0.0001 | |
| Pb ≦% | 0.0004 | |
| Cd ≦% | 0.0002 | |
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