Used in the dye industry to produce sulfur dyes as the raw material for sulfur blue and sulfur blue.
Used as a dyeing aid for dissolving sulfur dyes in printing and dyeing industry.
Used for hydrolysis in the tanning industry to dehair raw hides.
Used as a cooking agent for paper in the paper industry.
Used in textile industry as a mordant for the denitrification of man-made fibers and the reduction of nitrates and for the dyeing of cotton fabrics.
Used in pharmaceutical industry to produce antipyretics such as phenacetin.
Used to make sodium thiosulfate, sodium hydrosulfide, sodium polysulfide, etc.
