Title: Bibenzyl

CAS Registry Number: 103-29-7

CAS Name: 1,1¢-(1,2-Ethanediyl)bisbenzene

Additional Names: dibenzyl; sym-diphenylethane; 1,2-diphenylethane

Molecular Formula: C14H14

Molecular Weight: 182.26

Percent Composition: C 92.26%, H 7.74%

Literature References: Prepn by the reduction of benzil or benzoin: Clemmensen, Ber. 47, 688 (1914); Gattermann-Wieland, Praxis des Organischen Chemikers (de Gruyter, Berlin, 40th ed., 1961) p 333; from stilbene, Kleiderer, Kornfeld, J. Org. Chem. 13, 455 (1948).

Properties: Monoclinic prisms from methanol, mp 52.0-52.5°. bp760 284°. d40 1.104; d425 0.9782; d458 0.958. Heat of combustion (25°): 9909.9 cal (15°)/g. Moderately sol in alcohol; freely sol in carbon disulfide, ether, chloroform, amyl acetate; sol in liquid sulfur dioxide. Practically insol in water, liquid ammonia.

Melting point: mp 52.0-52.5°

Boiling point: bp760 284°

Density: d40 1.104; d425 0.9782; d458 0.958