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Sodium Thiosulphate

Quantity:
  • 1000mt/Month
  • 25kg/Bag
  • T/T
  • 10102-17-7

sodium thiosulphate,the popular name is big soda, Hypo, belongs in transparent single crystal system.it is adourless and salty. Its specific gravity is 1.729. When be heated over 100 ,it losts the 5 crystal water. It is easily soluble in water and unsoluble in alcohol. It will be decomposed in acid liquid and have strong irreducibleness. It is easily dehydration when dry air over 33 and deliquescence in moist air.


Photo grade

Tech grade

Anhydrous

appearance

Colorless transparent crystal

Colorless transparent crystal

White powder

Na2S2O3

> 99.0%

> 98.5%

> 97.0%

Water insoluble matter

< 0.01%

< 0.03%

< 0.03%

sulfide

< 0.001%

< 0.003%

< 0.001%

iron

< 0.001%

< 0.003%

< 0.005%

PH

6.5-9.5

6.5-9.5

6.5-9.5

Water solution reaction

Pass test

Pass test

...

Granularity(g/g)

12-16

....

...


Application: used in fixers, plating, leather, reductant, dechlorinating agent, sulfur dyeing agent, as a blush preventive agent, and as a disinfectant. and decolor agent.


Storage & handling:Store the product in a cool and dry place ; prevent from direct sunlight , water and  moisture ; avoid contact with strong acid,oxidants .Do not stores it for long time.


Sodium Thiosulphate

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