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Physical and Chemical Characterization of Aerosols Produced by Nicotine Salt Based E-Liquids

Principal Investigator(s): Karen Carter and Margaret Schmierer 
    
Funding Mechanism: Research Contract

ID number: 75F40119D10003

Award Date: 8/14/2019

Institution: Enthalpy Analytical 


E-liquids containing nicotine salts of volatile organic acids can deliver nicotine more rapidly and efficiently than traditional free-base nicotine formulations. Manufacturers have incorporated this formulation into electronic nicotine delivery systems (ENDS) production, and nicotine salt-based products (led by JUUL) now have a major share of the U.S. ENDS market. More information regarding the chemical and physical characteristics of nicotine salt-based ENDS would be useful, specifically related to how nicotine salt aerosols differ from those produced by other nicotine formulations, which characteristics may influence nicotine delivery, and whether nicotine salt aerosols have a different profile of harmful and potentially harmful constituents (HPHCs). The goal of this project is to provide comparative data on the aerosol characteristics and HPHC profiles of nicotine salt and free-base nicotine ENDS. Researchers will develop and validate a set of analytical methods that will physically and chemically characterize nicotine salt e-liquids and the aerosols produced by both nicotine salt and free-base nicotine e-liquids. Findings will provide information about how nicotine formulation affects nicotine delivery and HPHC emissions.
 

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