Properties: Orange needles from toluene, mp 223-224°. Sublimes in CO2 stream. Absorption spectrum: Stone, Furman, J. Am. Chem. Soc.
68, 2742 (1946). Freely sol in hot alcohol, in ether, in benzene with yellow color, in ammonia water and in sulfuric acid with crimson color.
Melting point: mp 223-224°
Derivative Type: Trimethyl ether
Percent Composition: C 69.22%, H 5.16%, O 25.61%
Properties: Orange needles from acetic acid, mp 163°.
Melting point: mp 163°
Derivative Type: Triacetate
Percent Composition: C 63.64%, H 4.07%, O 32.29%
Properties: Yellow needles from benzene, mp 175-177°.
Melting point: mp 175-177°
NOTE: See also Emodin.
Therap-Cat: Cathartic.
Keywords: Laxative/Cathartic.
产品链接: 481-72-1››