3-Indolebutyric acid (IBA) wani abu ne mai ban sha'awa, samfuran tsarkakakke ne mai daskararren lu'ulu'u, kuma asalin magani fari ne zuwa haske lu'ulu'u mai launin rawaya. Yana narkewa a cikin kwayoyin kaushi kamar acetone, ether da ethanol, amma da wuya narkewa cikin ruwa.