... OR OTHER PACKING AS CUSTOMER REQUIRED.USE: USED IN THE MANUFACTURE OF SULFUR DYES, LEATHER DEPILATING AGENT, METAL ... SMELTING, PHOTOGRAPHIC, RAYON DENITRATION ETC.. WIDELY USED IN LEATHER, PAPER, PROCESSING, PRODUCTION OF DYES, ORGANIC INTERMEDIATES, ... PREPARING SODIUM HYDROSULFIDE, SODIUM SULFIDE, SODIUM THIOSULFATE, IN MILITARY INDUSTRY ALSO HAS A CERTAIN USE ITEMSSTANDARDRESULTSPURITY(Na2S ...