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Sodium Thiosulphate


PHYSICAL APPEARANCE:



White crystalline Solid, Odorless.

Application: To remove chlorine from solution
according to the eq.
Na2S2O3+8Cl+ 5H2O ---> 2NaHSO4 + 8HCL & Na2S2O3 + 2HCL ---> 2NaCL + H2O + S + S02
CHEMICAL COMPOSITION: Na2S2O3.5H2O
SOLUBILITY: Soluble in Water
SPECIFIC GRAVITY (20'C) 1.7
MOLECULAR WEIGHT 248.17
PH-Value: 5.5 - 9.0
Sulphate & Sulphite (SO4) 0.1%
Sulphide (S): 0.001%
Calcium (CA): 0.01%
Heavy Metals (As PB): 0.001%
Assay: 98-99%
Safety data for sodium thiosulphate
Synonyms: sodium thiosulphate pentahydrate, sodium thiosulfate 5-hydrate, sodium hyposulfite, sodium thiosulphate,
sodium thiosulfate, ametox, antichlor
Molecular formula Na2S2O3 5H2O
CAS No : 10102-17-7
EC No: 231-867-5
Physical data Appearance: translucent crystals or white powder
Melting point 48 C


Application



  • As "Antichlor" in bleaching of Paper pulp
  • as filter in: Photography
  • for extraction of Silver from ores,
  • as mordant in Dyeing & Printing Textiles
  • Reducers in Chrome Dyeing
  • Manufacturing Leather
  • Bleaching Bone, Straw, Ivory,
  • as reagent in Analytical Chemistry And many more