Table 1.

Summary of VEA vaping emission production yields.

Name	Formula	M.W.a	B.P.b	Estimated vapor pressurec	Structure	EIC (m/z)d	Production Yielde
Vitamin E acetate(VEA)	C31H52O3	472.7	485	4.03 × 10−8		472	(1.68 ± 0.09) ×10−1
Vitamin E	C29H50O2	430.7	486	1.35 × 10−8		205	(2.21 ± 0.01) ×10−2
1-Pristene	C19H38	266.5	290	5.8 × 10 −3		126	(1.07 ± 0.07) ×10−2
3,7,11-Trimethyl-1-dodecanol	C15H32O	228.4	279	2.11 × 10−4		111	(3.44 ± 0.20) × 10−4
Durohydroquinone (DHQ)	C10H14O2	166.2	312	1.77 × 10−6		166	(2.20 ± 0.13) × 10−4
Duroquinone (DQ)	C10H12O2	164.2	230	1.26 × 10−3		121	(7.70 ± 0.28) × 10−5

^aM.W.: molecular weight (g mol⁻¹)

^bB.P.: boiling point (°C) at 1 atm

^cEstimated vapor pressure: mmHg at 25 °C

^dExtracted ion chromatogram (EIC); ion selected for quantification

^emg-Product recovered mg-VEA comsumed⁻¹

^fSix major emission products were quantified using authentic or surrogate standards.