Properties: Needles from dil ethanol, mp 284-285°. Begins to sublime at 240°. Sublimes in oil pump vacuum at 180-200°. uv max (ethanol): 270.2, 247 nm. Practically insol in water, ammonia water; slightly sol in dil alc, hot glacial acetic acid; sol in acetone, in NaOH solns.
Melting point: mp 284-285°
Absorption maximum: uv max (ethanol): 270.2, 247 nm
Derivative Type: Tetraacetylbaptigenin
Percent Composition: C 60.80%, H 3.99%, O 35.21%
Properties: Needles from methanol, mp 214°.
Melting point: mp 214°
Derivative Type: Tetrabenzoylbaptigenin
Percent Composition: C 73.50%, H 3.73%, O 22.77%
Properties: Prisms from methanol, mp 191-192°.
Melting point: mp 191-192°
Derivative Type: Tetramethylbaptigenin
Percent Composition: C 66.66%, H 5.30%, O 28.04%
Properties: Crystals from methanol, mp 144-145°.
Melting point: mp 144-145°
产品链接: 5908-63-4››