10073. p-Xenylcarbimide

Nomenclature

CAS number: 92-95-5

4-Isocyanato-1,1′-biphenyl; isocyanic acid 4-biphenylyl ester; p-diphenyl isocyanate.

C₁₃H₉NO; mol wt 195.22.

C 79.98%, H 4.65%, N 7.17%, O 8.20%.

Prepd from the corresponding amine and phosgene: Kaplan, J. Chem. Eng. Data 6, 272 (1961).

Needles, mp 56°; bp 283° (decomp), bp_2-3 137-140°. Very sol in ether.

As a reagent for the identification of hydroxy compounds, with which it gives crystalline derivatives of definite melting point.