Title: Phenylurea

CAS Registry Number: 64-10-8

Additional Names: Phenylcarbamide

Molecular Formula: C7H8N2O

Molecular Weight: 136.15

Percent Composition: C 61.75%, H 5.92%, N 20.58%, O 11.75%

Line Formula: C6H5NHCONH2

Literature References: Obtained with carbanilide as byproduct by refluxing aniline hydrochloride and urea in water: Davis, Blanchard, Org. Synth. 3, 95 (1923).

Properties: Monoclinic prisms from water or alcohol. d 1.302; mp 147° (dec); bp 238°. On slow cooling separates in needles several centimeters in length. Soluble in hot water, hot alcohol, ether, ethyl acetate, glacial acetic acid.

Melting point: mp 147° (dec)

Boiling point: bp 238°

Density: d 1.302