o-Tolunitrile
Title: o-Tolunitrile
CAS Registry Number: 529-19-1
CAS Name: 2-Methylbenzonitrile
Additional Names: 2-methylbenzenecarbonitrile; o-cyanotoluene; o-methylbenzonitrile
Molecular Formula: C8H7N
Molecular Weight: 117.15
Percent Composition: C 82.02%, H 6.02%, N 11.96%
Line Formula: CH3C6H4CN
Literature References: Prepd from o-toluidine by diazotization in HCl soln and treatment of the diazonium chloride with potassium cuprocyanide: Herb, Ann. 258, 9 (1890); Clarke, Read, Org. Synth. coll. vol. I (2nd ed., 1941) p 514.
Properties: Liquid; d420 0.9955; d445 0.9737; d475 0.9481; mp -13°; bp760 205.2°; bp100 135°; bp40 110°; bp20 93°; bp10 77.9°; bp5 64°; bp1.0 36.7°; nD23 1.52720. Absorption spectrum: Baly, Ewbank, J. Chem. Soc. 87, 1357 (1905); Purvis, ibid. 107, 503 (1915). Insol in water. Miscible with alc, ether.
Melting point: mp -13°
Boiling point: bp760 205.2°; bp100 135°; bp40 110°; bp20 93°; bp10 77.9°; bp5 64°; bp1.0 36.7°
Index of refraction: nD23 1.52720
Density: d420 0.9955; d445 0.9737; d475 0.9481

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