CAS No. : 7757-83-7 Molecular formula: Na2SO3 Packing : 27 MT for 1x20 gp . 25 kgs packing . application: 1. Anhydrous sodium sulfite is used for film development 2. Used as reducing agent and sulfonating agent in chemical industry; 3. Dechlorination agent and bleaching agent in printing and dyeing industry; 4. Stabilizers for chemical fibers, etc.
