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Sodium Hydrosulphite
Stable under most conditions. Partially soluble in water, insoluble in alcohol.
| Synonym: | Sodium dithionite
|
| Chemical Formula: | Na2S2O4
|
| Appearance: | Light coloured crystalline
|
| Application: | -Used in dyeing process of fibers
-Used as a stripping agent, reagent, bleaching agent
-Used as an oxygen scavenger for the production of synthetic rubber
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| Physical Properties: | Flammable
MP 55 oC
Density 2.19 g/cm3
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| Item | Result |
|---|
| Na2S2O4 (%) | 90
|
| Fe (%) | 0.0003
|
| Zn (%) | 0.0002
|
| Water Insoluble (%) | 0.005
|