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Zinc sulphate heptahydrate

Inquiry
  Post Date: Oct 17,2019
  Expiry Date: Apr 14,2020
  Detailed Description: Cas No. :7446-20-0 　Specification GB25579-2010 FCCVII
　　Color 无色或白色 ——
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≤% 0.5 0.5
PH pass pass
Se≤% 0.003 0.003
Hg≤% 0.0001 0.0005
Pb≤% 0.0004 0.0004
Cd≤% 0.0002 0.0005
1、Chemical Name: Zinc sulfate
2、Molecular Formula : ZnSO4.H2O, ZnSO4.7H2O
3、Molecular Weight: 179.48(Monohydrate), 287.54(Heptahydrate)
4、CAS: 7446-19-7（H2O）；7446-20-0 (7H2O)
5、Character: It is colorless or white crystalline powder, odorlessness. 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 light toxicity, lose crystal water in 280℃.
6、Usage: It is used as food additives, animal feed, printing and dyeing, timber preservative.Used as analytical reagent.
7、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.
8、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 separately from poisonous substances.

  CAS Registry Number:

7446-20-0
  Synonyms: ;Zinc sulfate,heptahydrate;Zinc Sulphat;Heptahydrate;sulfuricacid,zincsat (1:1),heptahydrate;whitevitriol(heptahydrate);zincsulfate(1:1)heptahydrate;Zincsulfateheptahydrate(1:1:7);SULFURIC ACID ZINC SALT HEPTAHYDRATE;ZINC SULFATE, 7-HYDRATE;ZINC SULFATE, HYDROUS;ZINC SULPHATE 7H20;ZINC SULPHATE HEPTAHYDRATE;ZINC VITRIOL HEPTAHYDRATE;ZINC SULFATE HEPTA;ZINC SULPHATE HEPTA;zinc sulfate hydrate (1:1:7);Zinc Sulfate Heptahydarate;
  Molecular Formula: ZnSO4·7H2O
  Molecular Weight: 287.5786
  Molecular Structure: 7446-20-0 Zinc sulfate Heptahydrate
  Hazard Symbols:  Xn:Harmful;
 N:Dangerous for the environment;
  Risk Codes: R22:;
R41:;
R50/53:;
  Safety Description: S22:;
S26:;
S39:;
S46:;
S60:;
S61:;

  Company: JIANGSU KOLOD FOOD INGREDIENTS CO.,LTD(Lianyungang Keyun Import And Export Co.,     [ China ]        
  Contact: Emily Xu
  Tel: 0518-85110538
  Fax: 0518-85112903
  Email: sales3239@jskolod.com
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