Sodium Thiosulfate

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Molecular Formula: Na2S2O3•5H2O Molecular Weight: 248.17 CASNO.: 10102-17-7 Properties& Applications: White monoclinic crystal; It is easily soluble in the water while not in alcohol and has deliquescence in the wet air; Widely used as the photography fixative , dechlorinate of textile after bleaching, and mordant of printing and dyeing, and also for pharmacy, galvanization, tannage, metallurgy, dyestuff, and other sectors. Packing&Storage: Packed in 25kg net PP/PE bags or as per customers demands; Stored in dry and cool warehouse with packages sealed and away from rain and wetting. Quality Standard：HG/T 2328—92 (Industry Grade) Index Name High Grade First Class Total (Na2S2O3-5H2O)%≥ 99.0 98.0 Sulfide（as Na2S）%≤ 0.001 0.003 Iron（Fe）%≤ 0.002 0.003 Water insoluble %≤ 0.01 0.03 PH Value（200g/L Solution） 6.5-9.5 6.5-9.5

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Hunan Chembird Indust Co.,Ltd

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