Sodium hydrosulfite kapena sodium hydrosulphite, ali muyezo wa 85%, 88% 90%. Ndi zowopsa katundu, ntchito nsalu ndi mafakitale ena.
Pepani chifukwa cha chisokonezo, koma sodium hydrosulfite ndi yosiyana ndi sodium thiosulfate. Njira yoyenera yamankhwala ya sodium hydrosulfite ndi Na2S2O4. Sodium hydrosulfite, yemwenso amadziwika kuti sodium dithionite kapena sodium bisulfite, ndi amphamvu kuchepetsa wothandizira. Amagwiritsidwa ntchito kwambiri pazinthu zosiyanasiyana, kuphatikizapo:
Makampani opanga nsalu: Sodium hydrosulfite imagwiritsidwa ntchito ngati blekning pamakampani opanga nsalu. Ndiwothandiza makamaka pochotsa utoto pansalu ndi ulusi, monga thonje, nsalu, ndi rayon.
Makampani a zamkati ndi mapepala: Sodium hydrosulfite imagwiritsidwa ntchito popanga zamkati zamatabwa popanga mapepala ndi mapepala. Zimathandiza kuchotsa lignin ndi zonyansa zina kuti mukwaniritse chinthu chomaliza chowala.