Properties: Amorphous powder, mp 132°. Bitter taste. [a]D +23°. pK 9.52. Absorption spectrum: Nath, J. Indian Chem. Soc.
32, 75 (1955). Very sol in water, alcohol; moderately sol in chloroform; slightly sol in benzene. Practically insol in ether, petr ether.
Melting point: mp 132°
pKa: pK 9.52
Optical Rotation: [a]D +23°
Derivative Type: Hydrochloride dihydrate
Percent Composition: C 52.49%, H 8.10%, Cl 6.20%, N 2.45%, O 30.76%
Properties: Crystals, mp 175-176°. [a]D -8°.
Melting point: mp 175-176°
Optical Rotation: [a]D -8°
Derivative Type: Hydrobromide sesquihydrate
Percent Composition: C 50.94%, H 7.35%, Br 13.55%, N 2.38%, O 25.78%
Properties: Crystals from water, mp 225°.
Melting point: mp 225°
产品链接: 509-20-6››