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Ammonium sulfite monohydrate ((NH4)2SO3•H2O)-Crystalline

Ammonium sulfite monohydrate ((NH4)2SO3•H2O)-Crystalline

CAS: 7783-11-1
Molecular Formula: (NH4)2SO3•H2O
Purity: 92%
Products Code: TR0701160801CY
Specification Model: -100 Mesh
EINECS No.: 233-484-9
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Ammonium sulfite monohydrate ((NH4)2SO3•H2O)-Crystalline introduce:


Ammonium sulfite is the ammonium salt of sulfurous acid with the chemical formula (NH4)2SO3.

Chemical formula:(NH4)2SO3

Molar mass:116.14 g/mol

Appearance: colourless hygroscopic Crystals

Melting point: 65 °C (149 °F; 338 K) decomposes

Solubility in water:35 g/100 mL; 32.4g/100mL at 0 degrees Celsius; 60.4g/100mL at 100 degrees Celsius

Solubility: Insoluble in acetone and alcohol

Refractive index (nD):1.515.


Ammonium sulfite monohydrate is used in caramel coloring in the food industry. It is also used in cosmetics as a hair straightening agent and a hair waving agent. It acts as a reducing agent in photography. Further, it is used in the production of bricks in order to use in blast furnace linings. In addition to this, it used in gas scrubbers.
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