Abstract
This study aimed to assess volatile impurities and ethanol content in ethanol-based hand sanitizers. A total of 31 different brands of hand sanitizers were analyzed using headspace gas chromatography-mass spectrometry to detect impurities and determine alcohol content for compliance. Volatile impurities were identified through Mass Spectrometry database analysis, and regression analysis was employed to ascertain ethanol percentage. Furthermore, a simulated toxicological analysis was conducted to evaluate the potential toxic effects associated with hand sanitizer usage.The detected impurities primarily included ethyl acetate, benzene, acetone, and acetal, along with contaminations such as isobutanol and non-recommended alcohols. In addition, 71 % of samples contained less than the recommended 60 % v/v alcohol concentration, failing to comply with guidelines from the Centers for Disease Control and Prevention (CDC) and the World Health Organization (WHO). Additionally, the simulation study underscored acute and chronic toxicities primarily linked to benzene contamination.Given that some of the studied products are imported while others are locally produced, it is imperative for consumers worldwide to be informed that certain hand sanitizers may not only be ineffective but also contain harmful residues.
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