Sodium Thiosulfate Pentahydrate

• Category :

  Organic chemicals and Derivatives

• Synonyms :

  Sodium thiosulphate pentahydrate;ametox;nsc-45624;Sodiumthiosulfate,pentahydrat;Sulfothiorine;thiosulfuricacid(h2s2o3),disodiumsalt,pentahydrate;Thiosulfuricacid(H2S2O3)disodiumsalt,pentahydrate;Thiosulfuricacid,disodiumsalt,pentahydrate;disodium sulfurothioate;sodium sulfurothioate hydrate (2:1:5);HYPO;

• CAS NO :

  10102-17-7

• EC NO :

  231-867-5

• Molecular Formula :

  Na₂O₃S₂.5H₂O

• Molecular Weight :

  248.17414

• Main Specifications :

• InChI :

  InChI=1/Na.H2O3S2.5H2O/c;1-5(2,3)4;;;;;/h;(H2,1,2,3,4);5*1H2/q+1;;;;;;/p-2

• Product description :

  Molecular formula：Na₂S₂O₃ · 5H₂O
  Molecular weight：248.19
  CAS No：10102-17-7
  Properties：Colorless monoclinic crystal, easily soluble in water, insoluble in alcohol, with strong reducibility.
  Application：Used as a photographic fixative in the photosensitive industry; Used as a dechlorination agent for pulp bleaching in the paper industry; Used as a dechlorination agent for bleached cotton fabrics in the printing and dyeing industry; Analytical chemistry is used as a reagent for color layer analysis and volumetric analysis; Used in medicine as a detergent and disinfectant. Used in the food industry as chelating agents, antioxidants, etc.
  Description

  Indicator Description	AR
  Na2S2O3 · 5H2O % ≥	99.0
  Cl–% ≤	0.02
  N% ≤	0.005
  Mg% ≤	0.001
  Ca% ≤	0.003
  Fe% ≤	0.0005
  Pb% ≤	0.0005
  PH	6.0-7.5
  Water insoluble substances %≤	0.005

• Molecular Structure :