Title: 1,4-Diphenyl-1,3-butadiene
CAS Registry Number: 886-65-7
CAS Name: 1,1¢-(1,3-Butadiene-1,4-diyl)bisbenzene
Additional Names: distyryl; bistyryl; 1,4-diphenylerythrene
Molecular Formula: C16H14
Molecular Weight: 206.28
Percent Composition: C 93.16%, H 6.84%
Line Formula: C6H5CH=CHCH=CHC6H5
Literature References: Prepd by the condensation of phenylacetic acid and cinnamic aldehyde: Kuhn, Winterstein, Helv. Chim. Acta 11, 103 (1928); Corson, Org. Synth. 16, 28 (1936). This method yields the trans,trans-form.
Derivative Type: cis,cis-Form
Properties: Leaflets, needles, mp 70.5°. Changes to the trans,trans-form under the influence of light. d4100.6 0.9697. nHa100.6 1.61831; nHb100.6 1.66748; nHe100.6 1.63473. Soluble in ether, chloroform, benzene, petr ether, hot glacial acetic acid, slightly sol in alcohol.
Melting point: mp 70.5°
Index of refraction: nHa100.6 1.61831; nHb100.6 1.66748; nHe100.6 1.63473
Density: d4100.6 0.9697
Derivative Type: cis,trans-Form
Properties: Obtained only in the absence of light. Oily liquid or crystals, mp 88°. bp0.1 133-135°. d422 0.9974. nHa22.2 1.59679; nHb22.2 1.62830; nHe22.2 1.60532.
Melting point: mp 88°
Boiling point: bp0.1 133-135°
Index of refraction: nHa22.2 1.59679; nHb22.2 1.62830; nHe22.2 1.60532
Density: d422 0.9974
Derivative Type: trans,trans-Form
Properties: Crystals, mp 149.7°. bp720 350°. Soluble in alcohol; sparingly sol in ether.
Melting point: mp 149.7°
Boiling point: bp720 350°
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