Натрий сульфит

Synonym: disodium sulfite; disodium salt; exsiccated sodium sulfite Molecular Formula: Na2SO3 Molecular Weight: 126.04 CAS No. : 7757-83-7 Property: White crystal powder, Specific gravity: 2.633, Melting point: 150°C. It soluble in water, lightly soluble in alcohol. Water solution appears light alkalinity, it decomposition when heated, and has reduction role. Specification: Na2SO396.0% Min97% MinFe0.005% Max0.003% MaxWater Insoluble Matter 0.03% Max0.02% MaxFree alkali(as sodium carbonate)0.4% Max0.1% Max Packing: Net each in 25kg plastic woven bag, lined with PE bag. Usage: It is mainly used for the industry of dyeing, medicine, leather making, paper making, chemical fiber, film, photographing, food, etc.