Properties: Yellow needles from glacial acetic acid, mp 169-171°. [a]D20 -90.0° (c = 0.054 in dioxane). Absorption max (ethanol): 230, 261, 448 nm (log e 4.15, 3.93, 3.57). Sol in cold water but on boiling forms a water insol form,
b
-morindin. Sol in dioxane, pyridine, acetone, methanol; slightly sol in ethanol, glacial acetic acid. Practically insol in ether, chloroform, benzene, petr ether.
Melting point: mp 169-171°
Optical Rotation: [a]D20 -90.0° (c = 0.054 in dioxane)
Absorption maximum: Absorption max (ethanol): 230, 261, 448 nm (log e 4.15, 3.93, 3.57)
产品链接: 60450-21-7››