Hemi-Dewar Biphenyl
Title: Hemi-Dewar Biphenyl
CAS Registry Number: 4655-30-5
CAS Name: 2-Phenylbicyclo[2.2.0]hexa-2,5-diene
Molecular Formula: C12H10
Molecular Weight: 154.21
Percent Composition: C 93.46%, H 6.54%
Literature References: Prepn by decompn of cyclobutadieneiron tricarbonyl with ceric ammonium nitrate in the presence of phenylacetylene: Burt, Pettit, Chem. Commun. 1965, 517.
Properties: Oil. nD26 1.5834. Upon heating to 90° for several minutes is converted quantitatively into biphenyl.
Index of refraction: nD26 1.5834
Status: This monograph has been retired and is no longer subject to revision or update.

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