Type: Sodium Hydrosulfite
CAS No.: 7775-14-6
Other Names: Sodium dithionite
MF: Na2SO4
EINECS No.: 231-890-0
Place of Origin: Hubei, China (Mainland)
Grade Standard: Industrial Grade
Purity: 90%
Appearance: White Crystal, white to grayish crystalline powder
Application: Industrial
Brand Name: Aisha
Model Number: CC74858890
Color: Pure White
Molar Mass: 174.107 g/mol (anhydrous) 210.146 g/mol (dihydrate)
Density: 2.38 g/cm3 (anhydrous) 1.58 g/cm3 (dihydrate)
Melting point: 52 °C (126 °F; 325 K)
Boiling point: Decomposes
Solubility in water: 18.2 g/100 mL (anhydrous, 20 °C) 21.9 g/100 mL (Dihydrate, 20 °C)
1) It is for vat dyes staining the reducing agent, reducing hair bleaching agents, vat dyes printing auxiliaries, silk scouring and bleaching agent, dyeing agents and objects of the peel color dye vat cleaning agent in the textile industry.
2,) It is used as a mechanical pulp, mechanical pulp mill hot and deinking pulp bleaching
agent in pulp and paper industry.
3) It is used as sugar, candy, candied fruit, caramel, cookies, fans, etc. Bleach and food preservation agent in the food industry.
4) As a bleaching agent is widely used to restore the kaolin bleaching; Fur whitening bleaching and restore; Bamboo products and straw products such as bleach.
5) It is used as a reducing agent in chemical industry.