sodium hyposulphite

• Post Date:

  Sep 03,2017

• Expiry Date:

  Mar 02,2018

• Detailed 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

• Company:

  Beijing Huamaoyuan Fragrance Flavor Co.,Ltd     [ China ]        

• Contact:

  Wang

• Tel:

  86-10-63281661

• Fax:

  86-10-63281121

• Email:

  cathy@bjhuamaoyuan.com