Title: 1,1-Diphenylethene
CAS Registry Number: 530-48-3
CAS Name: 1,1¢-Ethenylidenebis[benzene]
Additional Names: unsym-diphenylethylene; a,a-diphenylethylene; a-methylene-diphenylmethane
Molecular Formula: C14H12
Molecular Weight: 180.25
Percent Composition: C 93.29%, H 6.71%
Line Formula: (C6H5)2C=CH2
Literature References: Prepd by the action of phenylmagnesium bromide on ethyl acetate in ether, followed by treatment of the reaction product with ammonium chloride soln: Allen, Converse, Org. Synth. coll. vol. I (2nd ed., 1941) p 226. Absorption spectrum: Lardy, J. Chim. Phys. 21, 361 (1924).
Properties: Liquid, mp 8.2°. d420 1.0232. bp760 277.0°; bp400 249.8°; bp200 222.8°; bp100 198.6°; bp60 183.4°; bp40 170.8°; bp20 151.8°; bp10 135.0°; bp5 119.6°; bp1.0 87.4°. nD20 1.60849.
Melting point: mp 8.2°
Boiling point: bp760 277.0°; bp400 249.8°; bp200 222.8°; bp100 198.6°; bp60 183.4°; bp40 170.8°; bp20 151.8°; bp10 135.0°; bp5 119.6°; bp1.0 87.4°
Index of refraction: nD20 1.60849
Density: d420 1.0232 |