Sodium Sulphide H.S.CODE: 28301010 CAS NO.: 1313-82-2 Molecular formula: Na2S Property: white or light yellow crystalline powder or small crystal, with SO2 odor,Sg 1.4. Use: Used in drug, food, ferment, rubber, textile, photo, flavor, dyes, tannage and preservativeof fruit and vegetable. Packing: 25kgs plastic woven bags or 150kgs new iron drums.