Ikwaziwa njenge morphin, lulwelo olunamafutha angenambala kubushushu begumbi. Indawo yokunyibilika -4.76℃, indawo yokubilisa 128.3℃. Uxinzelelo 1.0005g/cm3(20℃). Refractive index 1.4548. Indawo edanyazayo 38℃ (indebe evulekileyo). Ixutywe namanzi, i-acetone, i-benzene, i-ether, utywala, i-ethylene glycol, ioli ye-linseed, ioli ye-turpentine, ioli ye-castor. Inevumba le-hygroscopic kunye ne-ammonia.