Qingdao Hailijia New Material Chemical Co. Ltd.

sodium hyposulphite

• Category :

  Inorganic chemicals

• Synonyms :

  Ammoniumthiosulfatewhitextl;Ammonium thiosulphate;Aminonium Thiosulfate;

• CAS NO :

  7783-18-8

• EC NO :

  231-982-0

• Molecular Formula :

  H₈N₂O₃S₂

• Molecular Weight :

  148.19

• Main Specifications :

• InChI :

  InChI=1/2H3N.H2O3S2/c;;1-5(2,3)4/h2*1H3;(H2,1,2,3,4)

• Product description :

  1, Chemical name: Sodium thiosulfate
  2, Structural formula:
  
  3, Molecular formula: Na₂S₂O₂·5H₂O
  4, Molecular weight: 248.17
  5, Properties: monoclinic crystal, Melting point : 40-45℃, Relative density :1.729(17℃).
  6, Quality standard:
  

  Item	Photographic grade	Industrial grade	Anhydrous grade
  Appearance	colorless transparent crystal	colorless transparent crystal	white powder
  Assay	≥99.00%	≥98.5%	≥97.0%
  Water Insoluble matter	≤0.01%	≤0.03%	≤0.03%
  Sulfide	≤0.001%	≤0.003%	≤0.001%
  Fe	≤0.001%	≤0.003%	≤0.005%
  PH	6.5~9.5	6.5~9.5	6.5~9.5
  Water solution reaction	in accordance with the test	in accordance with the test	----
  Granularity(g/g)	12~16	---	----

  7, Packing:25kg, 50kg plastic woven bag, or following your demand g.
  8, Uses: used in fixers, plating, leather, reductant, dechlorinating agent, sulfur dyeing agent, as a blush preventive agent, and as a disinfectant. and decolor agent

• Molecular Structure :