Lianyungang D&G Science And Technology Development Co., Ltd.
Main products:Sodium Carbonate,DCP,SAPP
Products
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  • Contact Person : Ms. Zhao Anna
  • Company Name : Lianyungang D&G Science And Technology Development Co., Ltd.
  • Tel : 86-518-85571129
  • Fax : 86-518-85571130
  • Address : Jiangsu,Lianyungang,No.168 Chaoyang Middle Road
  • Country/Region : China
  • Zip : 222003

Sodium Thiosulfate

Sodium Thiosulfate
Product Detailed
Colorless or slightly yellowish monoclinic crystal compound .

1, Chemical name: Sodium Thiosulfate 2, Structural formula:    3, Molecular formula: Na2S2O2·5H2O4, Molecular weight: 248.175, Properties: monoclinic crystal, Melting point : 40-45, Relative         density :1.729(17). 6, Quality standard:

Item

Unit

Photographic grade

Industrial grade

Anhydrous grade

Appearance

 

colorless transparent crystal

white powder

Assay

≥ %

99.00

98.50

97.00

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

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Granularity(g/g)

 

12~16

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7, Packing: 25kg, 50kg plastic woven bag, or following your demand. 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

Sodium Thiosulfate



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