1-Naphthylacetic acid (NAA) wani nau'i ne na masu kula da girman shuke-shuke mai fadi, da farar fatar hoda, maras dandano. Bakin narkewa shine 130 ~ 135.5 ℃, zafin zai iya bazu. Yana narkewa a cikin acetone, ether, chloroform, benzene, acetic acid da alkali mafita.