anhydrous sodium sulfite sodium sulfite Application: medicine, papermaking, tannage, leather, printing, dyeing, bleachin sodium sulfiteMolecular Formula: Na2SO3Molecular Weight: 126.04Purity:96%CAS No.: 7757-83-7Appearance: white crystalline powderPacking: 25kgs plastic woven bag, 23T in one 20’fcl container or as customer’s request.Application: medicine, papermaking, tannage, leather, printing, ...