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Properties: white gravel solid, relative density 1.561, soluble in water, the aqueous solution is alkaline reaction; insoluble in ethanol, in humid air and sunlight under the action of easy oxidation, for strong reducing agent.
Molecular formula: Na2S03
CAS No.:7757-83-7
Molecular weight: 126.04
Appearance: white gravel solid
Packing:
25kg plastic woven bag, kraft paper bag, polyethylene plastic bag,
500kg/1000kg/1100kg/1200kg container bag or customized according to customer requirements.
Store in a cool, dry and ventilated warehouse.
This product has deliquescence, not suitable for long storage.

Use:

1, sodium sulfite for water treatment: used in electroplating wastewater, printing and dyeing wastewater, power plant wastewater and other industrial wastewater, drinking water treatment, and used as a boiler water deoxidizer and dechlorination agent.
2. Sodium sulfite is used in metallurgical mines: it is used in metallurgical industry to reduce gold; it is used as flotation agent and mineral processing agent for non-ferrous metal ores in mining industry.
3, sodium sulfite used in printing and dyeing industry: as a deoxidizer and bleaching agent, used in a variety of cotton fabric cooking, can prevent cotton fiber localization and affect the fiber strength, and improve the whiteness of the cooking.
4. Sodium sulfite is used in the paper industry: it decomposes lignin in wood pulp and is used as a lignin removal agent.
5. Sodium sulfite is used in the pharmaceutical industry: it is an intermediate raw material for the production of analgin and anji pyrine.
6, photographic photosensitive industry: use is used as a film developer.
7, sodium sulfite used in the electronics industry: used in the manufacture of photosensitive resistance.
Textile industry: used as a stabilizer for man-made fibers.
9. Sodium sulfite is used in leather industry: it is used as an oxygen barrier for leather.