Flavoring chemicals in e-cigarettes: diacetyl, 2, 3-pentanedione, and acetoin in a sample of 51 products, including fruit-, candy-, and cocktail-flavored e-cigarettes

JG Allen, SS Flanigan, M LeBlanc… - Environmental …, 2016 - ehp.niehs.nih.gov
Background: There are> 7,000 e-cigarette flavors currently marketed. Flavoring chemicals
gained notoriety in the early 2000s when inhalation exposure of the flavoring chemical
diacetyl was found to be associated with a disease that became known as “popcorn lung.”
There has been limited research on flavoring chemicals in e-cigarettes. Objective: We aimed
to determine if the flavoring chemical diacetyl and two other high-priority flavoring chemicals,
2, 3-pentanedione and acetoin, are present in a convenience sample of flavored e …
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