Sulifide ya sodiyumu (Na₂S), ikigabanya gikomeye n'igikoresho cy'ubushyitsi gikoreshwa mu gutunganya impu (gukuraho ubwoya bisonga keratine), mu gutunganya ifu y'impapuro (uburyo bwa kraft) no mu gukora imiti. Ni cyo gikaze cyane kandi girekura gazi ya hidorojene sulifide y'uburozi iyo gihuye n'aside. Gisaba kwitonda cyane no kwambara ibikoresho byuzuye byo kwirinda.