Abstract
Indan, 1-methylindan, 2-methylindan, 1,2,3,4-tetrahydronaphthalene, 1-methyl5,6,7,8-tetrahydronaphthalene, 2-methyl-1,2,3,4-tetrahydronaphthalene, and benzyl cyanide have, for the first time, been isolated from the smoke of normal blended cigarettes by a combination of gas chromatography and mass spectrometry. Four isomers of methylindan, four isomers of dimethylindan, one ethylindan, and one methyltetralin could not be exactly identified on the basis of the mass spectra alone.