Sodium sulfite CAS 7757-83-7 Na2SO3

Sodium sulfite

Name	Sodium sulfite
Synonyms	Sodium sulfite anhydrous
Molecular Structure
Molecular Formula	Na2SO3
Molecular Weight	126.04
CAS Registry Number	7757-83-7
EC Number	231-821-4

Specification:

Uses:

1、 Food industry

Antioxidant

Prevent food oxidation and spoilage, maintain flavor and nutritional value.

Preservatives

Inhibit microbial growth, extend shelf life, used for dehydrated vegetables, fruit juice and other high moisture foods.

Bleach

Improve the appearance and color of food, such as canned mushrooms, candied fruits, etc.

2、 Medical field

Reducing agents and antioxidants

Used in injection solutions to prevent drug oxidation and degradation, or as a stability protector for vitamin drugs.

Medicinal raw materials

As a filler for health food and a synthetic intermediate for some drugs.

3、 Industrial applications

Printing, Dyeing, and Textile

As a deoxidizer and bleaching agent, it prevents oxidative damage to cotton fibers and improves dyeing quality.

Water treatment

Deoxidizer for boiler water and oilfield injection water, dechlorination agent for industrial water.

Chemical raw materials

Produce chemical products such as sodium thiosulfate and sodium hydrosulfite, or use them as catalysts.

4、 Other uses

Cosmetics: used as pH regulator for shampoo, facial mask, etc.

Feed additives: Nutritional supplements for pet canned food and aquatic feed.