Bizwi kandi nka morphine, ni amavuta adafite ibara ryubushyuhe bwicyumba. Gushonga ingingo -4.76 ℃, ingingo itetse 128.3 ℃. Ubucucike 1.0005g / cm3 (20 ℃). Igipimo cyerekana 1.4548. Flash point 38 ℃ (gufungura igikombe). Ntibisanzwe n'amazi, acetone, benzene, ether, inzoga, Ethylene glycol, amavuta yimyenda, amavuta ya turpentine, amavuta ya castor. Ifite impumuro ya hygroscopique na ammonia.