Derivative Type: trans-Form
CAS Registry Number: 103-30-0
Properties: Crystals from 95% ethanol, mp 124°. bp760 306-307°. uv max (95% ethanol): 296, 305 nm (e 28100; 26700). Volatile with steam. Practically insol in water. Sol in 90 parts cold alc, 13 parts boiling alc, freely in benzene, ether.
Melting point: mp 124°
Boiling point: bp760 306-307°
Absorption maximum: uv max (95% ethanol): 296, 305 nm (e 28100; 26700)
Derivative Type: cis-Form
CAS Registry Number: 645-49-8
Properties: Liquid, solidifies at -5°. bp10 135°; bp1.0 96°. nD25 1.6188. uv max (95% ethanol): 278 nm (e 10200). Completely sol in cold abs alcohol.
Boiling point: bp10 135°; bp1.0 96°
Index of refraction: nD25 1.6188
Absorption maximum: uv max (95% ethanol): 278 nm (e 10200)
产品链接: 588-59-0››