| Title:  Benzoyl Isothiocyanate CAS Registry Number:  532-55-8 Additional Names:  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  |