Phenylurea
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

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