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Sodium Thiosulfate 7772-98-7
Category : Dyestuffs and Pigments
CAS NO : 7772-98-7 EC NO : 231-867-5 MF : Na2S2O3 MW : 158.109 Specification : 99%min Tech、Photo Grade Packing : Net each in 25kg plastic woven bag, lined with PE bag. Product description : Grade
Photo
Tech
Na2S2O3·5H2O
99% Min
99% Min
Insoluble matter in water
0.01% Max
0.01% Max
Na2S
0.001% Max
0.001% Max
Fe
0.002% Max
0.002% Max
PH value (200g/L solution)
6.5-9.5
6.5-9.5
Synonyms : hypo;hyporice;sodium hyposulfite;sodium subsulfite;sodium thiosulfate anydrous;thiosulfuric acid, disodium salt;thiosulfuric acid (h2s2o3), disodium salt;thiopivalic acid sodium salt;sodi-um hyposulfide;dechlorinating solution;betz 0235;sulfurothioic O,O-acid;hydrogen sulfurothioate; Molecular Structure : 
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