肌醇为白色细小晶体或结晶性粉末。无臭，味甜。相对密度1.752，1.524（二水合物）。在空气中稳定。对热、酸、碱稳定。其水溶液对石蕊呈中性。无光学活性。每克溶于6毫升水。难溶于乙醇，不溶于乙醚和氯仿。
Inositol is a fine white crystal or crystalline powder. Odorless, sweet. Relative density is 1.752,1.524 (dihydrate). Stability in the air. To heat, acid and alkali stability. Its aqueous solution was neutral to litmus. No optical activity. Soluble in water 6ml per gram. Hardly soluble in ethanol, insoluble in ether and chloroform.
