I-Caustic Soda i-alkali enamandla enokugqwala okuqinile, ngokuvamile esesimweni samaflakes noma amabhulokhi, ancibilika kalula emanzini (i-exothermic lapho incibilika emanzini) futhi yakhe isixazululo se-alkaline, kanye ne-deliquescent.
Ngokocansi, kulula ukumunca umhwamuko wamanzi (owohloka) kanye ne-carbon dioxide (ukonakala) emoyeni, futhi ungengezwa ne-hydrochloric acid ukuhlola ukuthi wonakele yini.