I-Caustic Soda iyi-alkali eqinile enokugqwala okuqinile, ngokuvamile esesimweni sama-flakes noma amabhlogo, ancibilika kalula emanzini (i-exothermic lapho incibilika emanzini) futhi yakhe isixazululo se-alkaline, futhi i-deliquescent Ngokocansi, kulula ukumunca umhwamuko wamanzi (ubuphukuphuku) kanye ne-carbon dioxide (ukonakala) emoyeni, futhi ingezwa nge-hydrochloric acid ukuhlola ukuthi iyonakala yini.