Sunan samfur:Aluminum sulfate Octadecahydrate
Tsarin kwayoyin halitta:AI2 (S04) 3 18H2O
Nauyin kwayoyin halitta:666.43
Bayyanar:Farin crystal mai sheki, granule ko foda.A 86.5 ° C, wani ɓangare na ruwa na crystallization ya ɓace, yana samar da farin foda.Yana rushewa zuwa aluminum oxide a kusan 600 ° C.Mai narkewa a cikin ruwa, kusan maras narkewa a cikin ethanol, maganin shine acidic.