| CAS No.: | 7446-20-0 |
|---|---|
| Certification: | CE, RoHS, ISO |
| Purity: | ≥98 |
| Type: | Sulphate Salt |
| Grade Standard: | Food Grade |
| Transport Package: | 25kg/Bag |
| Samples: |
|---|
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Audited Supplier 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°C. Soluble in water and glycerol, insoluble in ethanol. Light toxicity, loses crystal water at 280°C.
For more information, visit Nanjing Jiayi Sunway Chemical Co., Ltd.
Usage: Our food grade sodium metabisulfite is commonly used as food additives, animal feed, printing and dyeing, and timber preservative. It is also utilized as an analytical reagent.
Packing: Each bag contains 25kg of product and is packed with a polythene inner layer and a compound plastic woven outer layer.
Storage and Transport: Store in a dry and ventilative warehouse, away from water and moisture during transport. Handle with care during unloading to prevent bag damage. Store separately from poisonous substances.
| 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 | ||
Contact information:
Belly Wang
Sales Manager
Company Name: Nanjing Jiayi Sunway Chemical Co., Ltd.
Location: Nanjing, China
Main Products: Calcium phosphate, Sodium diacetate, acetate, sulfate, citrate, phosphate, sodium alginate, agar
Business Focus: Research, development, production, and sales of food additives
Company Overview: Nanjing Jiayi Sunway Chemical Co., Ltd. is a leading producer and seller of food additives based in Nanjing, China. With a focus on quality and customer satisfaction, we have established a strong presence in the market and aim to build lasting partnerships worldwide. Our professional international trade team ensures efficient service and support for our clients. Contact us today for a mutually beneficial cooperation!
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