Sodium Hydrosulphite / Sodium Dithionite CAS 7775-14-6

Product name:Sodium hydrosulphite

Synonym:Sodium dithionite

CAS:7775-14-6

MF:Na2O4S2

MW:174.11

Density:2.13 g/cm3

Melting point:300°C

Boiling point:1390°C

Packaging:50 kg/drum

Property:Extremely soluble in water, insoluble in alcohol.

1.Sodium hydrosulphite is widely used in the textile industry as a reducing agent for vat dyeing, a reducing bleaching agent, a vat printing assistant, a refining and bleaching agent for silk, a stripping agent for dyed fabrics, and a cleaning agent for dyeing vats.
2.Sodium hydrosulphite is used as a bleaching agent in the paper industry for mechanical pulp, hot ground mechanical pulp, and deinked pulp. It is the most suitable bleaching agent for wood pulp and papermaking.
3.Sodium hydrosulphite is widely used as a reducing bleaching agent in the bleaching of kaolin, fur, bamboo and grass woven products, and so on.
4.Sodium hydrosulphite can also be applied in mineral processing, synthesis of thiourea and its sulfides, etc.
5.Sodium hydrosulphite is used as a bleaching agent, preservative, and antioxidant in the food industry. It is widely used as a bleaching agent and food preservative in preserves, dried fruits, dried vegetables, vermicelli, glucose, sugar, rock sugar, maltose, candies, liquid glucose, bamboo shoots, mushrooms, and canned mushrooms.