sodium sulfide

American  

noun

Chemistry.

1. a yellow or brick-red, crystalline, deliquescent, water-soluble solid, Na 2 S, used chiefly in the manufacture of dyes, soaps, and rubber, as a depilatory for leather, and in the flotation of powdered lead and copper ores.

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Example Sentences

Those minimal exhaust fumes had to go through a scrubber that used sodium chlorite, sodium hydroxide, sulfuric acid, sodium sulfide, three mixers, three pumps, a lot of water, and a great big blower.

From New York Times • Jan. 18, 2018

Nearby, there’s Goodyear, with sodium sulfide, a dangerous chemical in rubber production.

From Washington Times • May 12, 2016