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AMMONIUM THIOSULPHATE

Inquiry
  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%

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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

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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: 7783-18-8 Ammonium thiosulfate
  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
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