Specification :

The description of quality

MW: 97.09

Melting: 215-225° C ( dec.)

Soluble: 146.8 g/ L ( 20° C)

Appearance: H2NSO2OHWhite orthorhombic crystals. Odorless, tasteless, non-volatile, non-hygroscopic

Density: 2.126

Refractive: ± type1.553 ² type1.563 ³ type1.568

Refraction:  25± 3 1.553^ 1.568

Dissociation constant: 1.10× 10-2

Heat of formation: 685.9kJ/ mol

Solubility: Soluble in water and liquid ammonia, in aqueous solution was acidic medium, slightly soluble in methanol, insoluble in ethanol and ether.

Main application:
1, the main raw material for production of sweeteners
2, the best efficacy of the dual ion cleaning agent
3, paper and pulp bleaching agent
4, curing agent, catalysts, disinfectants, flame retardants
5, manufacturing dyes, pigments
6, electroplating additive