Title: Benzoyl Isothiocyanate
CAS Registry Number: 532-55-8
Synonyms: Benzoylthiocarbimide
Molecular Formula: C8H5NOS
Molecular Weight: 163.20
Percent Composition: C 58.88%, H 3.09%, N 8.58%, O 9.80%, S 19.65%
Line Formula: C6H5CONCS
Literature References: Prepd by refluxing a mixture of KSCN and benzoyl chloride in benzene at 110-120°: Ambelang, Johnson,
J. Am. Chem. Soc. 61, 632 (1939). From NH3SCN, acetone and benzoyl chloride: Frank, Smith,
Org. Synth. 28, 89 (1948).
Properties: Liquid; bp18 133-137°; bp10 119°. d418.3 1.2142; d416 1.197.
nD18.3 1.6382. Reacts with a primary or secondary amine to form a benzoylthiourea, which is readily hydrolyzed by alkalies to the free thiourea.
Boiling point: bp18 133-137°; bp10 119°
Index of refraction: nD18.3 1.6382
Density: d418.3 1.2142; d416 1.197