Caustic Soda wani alkali ne mai ƙarfi wanda ke da ƙarfi sosai, gabaɗaya a cikin siffar flakes ko tubalan, yana narkewa cikin sauƙi a cikin ruwa (exothermic idan an narkar da shi a cikin ruwa) kuma yana samar da maganin alkaline, kuma yana da laushi. A cikin jima'i, yana da sauƙin shanye tururin ruwa (deliquescent) da carbon dioxide (lalacewa) a cikin iska, kuma ana iya ƙara shi da hydrochloric acid don duba ko ya lalace.
Aikace-aikace
Ana amfani da shi sosai wajen samar da takarda, sabulu, rini, rayon, ƙarfe, tace mai, kammala auduga, tsarkake kayayyakin kwal, da kuma masana'antar sarrafa abinci, sarrafa itace da injina.
