Name Sodium Thiosulfate Chemical formula Na2S2O3�·5H2O Physical appearance Colorless or slightly yellow transparent monoclinic crystal. Quality standard HG/T 2328-1992 Description Sodium Thiosulfate, Sodium Thiosulphate, hypo, na2s2o3 5h2o, na2s2o3, sodium thiosulfate pentahydrate, sodium hyposulphite, chemical sodium Wholesalers, Inorganic Salt, 10102-17-7, thiosulfate de sodium Application: 1>Used in fixers,plating,leather,reductant,dechlorinating agent 2>Sulfur dyeing agent 3>As a blush preventive agent 4>As a disinfectant and decolor agent. Package: 1>25KG/50KG compound plastic woven bag with inner polythene liner 2>1000kg Jumbo bags 3>Any other particular requirements to the package can be discussed. Shelf Life:One year Storage & handing : 1>Store the product in a cool and dry place 2>Prevent from direct sunlight, water and moisture 3>Avoid contact with strong add oxidants 4>Do not stores it for long time. Product Specification: PHOTO GRADE TECH GRADE TECH GRADE APPEARANCE COLORLESS TRANSPARENT WHITE POWDER Na2S2O3 >99.0% >98.5% >97% Water Insoluble