Zinc sulphate heptahydrate

• 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:

  

• 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