Community Request Diacetyl Center for Research on Ingredient Safety The Chemistry of Vaping ChemistryViews Vaping is on the rise. While e cigarettes don't contain tobacco, they may still contain many of the same toxic and cancer causing chemicals found in regular cigarettes. This includes: Acrolein (weed Vape Guide Beginners Guide To Vaping Ecigwizard Do electronic cigarettes create thirdhand chemical residue? Thirdhand Smoke Resource Center