Comprehensive comparative compositional study of the vapour phase of cigarette mainstream tobacco smoke and tobacco heating product aerosol.

•Characterisation of VP aerosol of tobacco heating product by TD-GC × GC-(HR)TOFMS/FID.•Peak identification using linear retention indices, matches from LR and HR mass spectra and accurate mass values.•Comparison between VP aerosol of tobacco heating product THP1.0 and mainstream tobacco smoke.•Semi-quantification of identified compounds.