Sodium sulfide lu'ulu'u ne mai launuka daban-daban tare da ƙamshi mai ban ƙyama. Yana amsawa da acid don samar da hydrogen sulfide. Maganin ruwansa yana da ƙarfi sosai, don haka ana kiransa da sulfurated alkali. Yana narkar da sulfur don samar da sodium polysulfide. Kayayyakin masana'antu galibi suna bayyana a matsayin lumps masu launin ruwan hoda, ja-kasa-kasa, ko launin ruwan kasa mai launin rawaya saboda ƙazanta. Yana da lalata da guba. Idan aka fallasa shi ga iska, yana narkewa cikin sauƙi don samar da sodium thiosulfate. Yana da hygroscopic sosai, narkewarsa a cikin gram 100 na ruwa shine 15.4g (a 10°C) da 57.3g (a 90°C). Yana narkewa kaɗan a cikin ethanol kuma ba ya narkewa a cikin ether.

An zaɓi kayan albarkatun ƙasa masu inganci, an tabbatar da ingantaccen inganci a duk lokacin da ake samarwa, tare da tabbatar da ingantaccen inganci ga kowane rukunin sodium sulfide.