Hafnium yog ib qho xim nyiaj-grey hloov pauv hlau.Hafnium tsis hnov mob nrog dilute hydrochloric acid, dilute sulfuric acid thiab muaj zog alkali daws, tab sis nws yog soluble hauv hydrofluoric acid thiab aqua regia.Hafnium hmoov feem ntau yog tsim los ntawm cov txheej txheem hydrodehydrogenation.