AMMONIUM THIOSULPHATE

• Post Date:

  Sep 04,2016

• Expiry Date:

  Mar 03,2017

• Detailed Description:

  Cas No. :7783-18-8

  Standard  Sales  Specifications    

  1. Chemical name:Ammonium Thiosulphate 
  2. Structural formula:
  
  　　
           
  3. Molecular formula: (NH4)2S2O3
  4. CAS NUMBER: 7783-18-8
  5. Molecular weight:148.20
  6. Properties:. Colorless transparent liquid or white crystal. Relative density of crystal: 1.679,easily soluble in water,insoluble in alcohol, ether,slightly soluble in acetone. 
  7. Quality standard:
  

  Index name	Liquid	Solid
  Assay	56~60%	≥98%
  Appearance	colorless transparent Liquid	white crystal
  Ammonium sulfite	≤1.0%	≤1.0%
  Alkalinity	0.3~1.5%	≤0.4%
  Insoluble matter ( precipitation of Ca and Mg)	≤0.2%	---
  Heavy metals(as Pb)	≤0.001%	≤0.002%
  Fe	≤0.00025%	≤0.001%
  Sulfide(as s)	≤0.0002%	≤0.0002%
  Ignition residual	≤0.1%	≤0. 2%
  Specific gravity	1.310~1.335	----

  
  8. Packing: Liquid 250kg plastic drum. Solid 25KG plastic woven bag. 
  9.Uses: Used as fixer for takingPhotographic s,key component of silvering electrobath, shielding effect agent, casting protectant of Al-Mg alloy, bactericide and analytical reagent.

• CAS Registry Number:

  7783-18-8

• Synonyms:

  ;Ammoniumthiosulfatewhitextl;Ammonium thiosulphate;Aminonium Thiosulfate;

• Molecular Formula:

  H₈N₂O₃S₂

• Molecular Weight:

  148.19

• Molecular Structure:

  

• Risk Codes:

  R36/37/38:Irritating to eyes, respiratory system and skin.;
  

• Safety Description:

  S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.;
  S36:Wear suitable protective clothing.;
  

• Company:

  Changsha Green Mountain Chemical Co., Ltd.     [ China ]        

• Contact:

  Mr Chen

• Tel:

  86-731-84423162,84424162, 8442

• Fax:

  86-731-84429162

• Email:

  sales@maychemis.com