9537. o-Tolunitrile

Nomenclature

CAS number: 529-19-1
2-Methylbenzonitrile; 2-methylbenzenecarbonitrile; o-cyanotoluene; o-methylbenzonitrile.
C8H7N; mol wt 117.15.
C 82.02%, H 6.02%, N 11.96%.

Description and 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. Absorption spectrum: Baly, Ewbank, J. Chem. Soc. 87, 1357 (1905); Purvis, ibid. 107, 503 (1915).

Chemical structure

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. Insol in water. Miscible with alc, ether.