MENGNA

    Country: Country China (Mainland)

    Business Type: Lab/Research institutions

  • Ms.Rose
    Tel: 18698110882

  • Mobile:
  • Tel:18698110882
  • Fax:
  • Province/state:Tianjin
  • City:Tianjin
  • Street:1303 No2 building,LuoMa Garden,YongAn Road,Hexi District,Tianjin city
  • MaxCard:
Home > Products >  Ammonium thiosulfate ((NH4)2S2O3) 99%

Ammonium thiosulfate ((NH4)2S2O3) 99% CAS NO.7783-18-8

  • Min.Order: 0 Metric Ton
  • Payment Terms:
  • Product Details

Keywords

  • Ammonium thiosulfate
  • H3N.1/2H2O3S2
  • 7783-18-8

Quick Details

  • ProName: Ammonium thiosulfate ((NH4)2S2O3) 99%
  • CasNo: 7783-18-8
  • Molecular Formula: H3N.1/2H2O3S2
  • Application: This product used for photographic fus...
  • ProductionCapacity: Metric Ton/Day
  • Purity: 99
  • LimitNum: 0 Metric Ton

Superiority

Specifications

molecular formula: H3N.1/2H2O3S2 
Appearance: 
Colorless single crystal is inclined crystallization.

molecular formula: H3N.1/2H2O3S2


Appearance:
Colorless single crystal is inclined crystallization.

 

 

Properties:

 

1. Colorless single crystal is inclined crystallization.
2. Easy deliquescence. Soluble in water, slightly soluble in acetone, insoluble in alcohol, ether.
3. Aqueous long together with sulfur exhalation. Hot to 150 °C decomposition form and   ammonium sulfate, sulfur, ammonia, hydrogen sulfide and water.

 

Use:

 

This product used for photographic fuser than sodium salt dissolve halogenating silver emulsions are more likely to have washed membrane, short time and silver recycling easy advantages. Also can be used as metal detergency agent, silver plating solution, reductant and chemical reagents. 

Test item

Specification

AR

CP

Appearance

Conform

Conform

              purity/%

≥99.0

≥98.5

Appearance of solution

Conform

Conform

Water insoluble /%

≤0.005

≤0.01

Chloride (Cl)/%

≤0.02

-

    Sulphates(SO4)/%

≤0.05

≤0.1

        Sulfide(S)/%

≤0.00025

≤0.0005

    Total nitrogen (N) /%

≤0.005

-

     magnesium  (Mg) /%

≤0.001

-

Calcium (Ca) /%

≤0.003

≤0.05

Ferric (Fe)/%

≤0.0005

≤0.001

Heavy metal (Pb)/%

≤0.0005

≤0.001

 

Details

Other products of this supplier

lookchemhot product CAS New CAS Cas Database Article Data Chemical Catalog