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Product name：

Sodium thiosulfate
Listing date ： 2016-05-05
Recommended selling price: 0

Sodium thiosulfate


CAS No. : 7772-98-7 

MF: Na2S2O3

Purity: ≥99%

Appearance: Colorless transparent monoclinic crystal

Nature:

1. Odourless, taste salty, soluble in water, insoluble in alcohol. 

2. In acidic solution decomposition, has strong reducibility.

3. Deliquescence in moist air.

Quality index:

Test Items

Unit Of Measure

Lab Test Results

Na2S2O3·5H2O,%

≥99

99.5

Na2S,ppm

≤10

9.8

Fe,ppm

≤20

19.7

Water-insoluble,%

≤0.01

0.009

PH (200g/L solution)

6.5-9.5

7.5


Application:

1. Used as a photographic industries Fixing agent.

2. Used in electroplating, purify water and tanning leather.

3. Also used in the chemical industry such as reducing agent Pharmaceutical industry is used as the detergents and disinfectants and bleaching agent, etc.

Packaging:

1.  25kg/bag, Plastic woven bag.

2.  25tons can be loaded in a 20' container
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