Inchi =1/Al.2O/ralo₂/c2-1-3
Fomil pwa: 101.96 amu
Fonn pwen: 2303 K
Bouyi pwen: 3250 K
Vre dansite: 3.97 g / cm3
Dansite esansyel: 0.85 g / mL (325 mesh ~ 0.9 g / mL (120 mesh ~ 325 mesh)
Estrikti Crystal: Sistem Trigonal (hex)
Solibilite: ensolubl nan dlo nan tanperati chanm
Konduktivite: ki pa konduktif nan tanperati chanm
Al₂O₃ se yon kristal iyonik
Pwopriyete temochemical:
ΔfH0liquid 1620.57 kJ / mol
ΔfH0solid 1675.69 kJ / mol
S0liquid, 1 bar 67.24 J / mol · Adjwen
S0solid 50.9 J / mol · Adjwen