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Chemical formula: Na₂SO₃
Molecular weight: 126.04
CAS No.: 7757-83-7
Appearance: white crystalline powder 
Assay: ≥96.0%
Use: In the manufacture of sodium thiosulfate, organic chemicals; bleaching of textiles; as reducing agent etc. 
Packing: In plastic woven bag with PE lining; 25kg/bag.