Soium Thiosulfate, Properties : monoclinic crystal Sodium Thiosulfate Molecular Formula : Na2S2O2*5H2OMolecular Weight : 248.17Properties : monoclinic crystal Melting point : 40 ~ 45Relative Density : 1.729Packing : in woven PE bag with PP bag inside, net weight of 25kg/bag or 50kg/bagUses : used in fixers, plating, leather, reductant, dechlorinating agent, sulfur dyeing agent, as a blush ...