Sodium Sulfide uses:

Used in the dye industry for producing sulfur dyes, serving as a raw material for Sulfur Black and Sulfur Blue.

Employed in the printing and dyeing industry as an aid for dissolving sulfur dyes.

Used in the leather industry for dehairing raw hides through hydrolysis and in preparing sodium polysulfide to accelerate the soaking and softening of dried hides.

Utilized in the paper industry as a cooking agent for paper pulp.

Applied in the textile industry for denitration of artificial fibers, reduction of nitrates, and as a mordant in cotton fabric dyeing.

Sodium Sulfide Used in the pharmaceutical industry to produce antipyretics such as phenacetin.

Employed in chemical manufacturing to produce sodium thiosulfate, sodium hydrosulfide, sodium polysulfide, etc.
Additionally, Sodium Sulfide is used as a flotation agent in ore processing, metal smelting, photography, and other industries.

Sodium Sulfide: A Versatile Chemical Powerhouse for Industrial Processes.