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Name: Anhydrous Sodium Sulfite
Chemical Formula: Na2SO3
Ph value: 9-9.5
CAS No.: 7757-83-7
Appearance: White hexagonal prismatic crystal
Uses:
1.It is used as a catalyst for the synthesis of urea-formaldehyde resin in addition stage reaction.As a reducing agent can protect oxygen-sensitive materials.Also used as antioxidants,antioxidants,neutralizers.
2.Anhydrous sodium sulfite for film development;
3.Used as reducing agent and sulfonating agent in the chemical industry;
4.Dechlorination agents and bleach for the printing and dyeing industry;
5.Stabilizers for chemical fibers;
6.Water treatment agents and so on.