Formaldehyde analysis of seized cosmetic products by HS-GC-MS of methylal, ethoxymethoxymethane, and ethylal derivatives

• Váldodahkkit: Ettore Ferrari Júnior (Dahkki), Lívia Barros Salum (Dahkki), Robiedson Romeiro Damasceno (Dahkki), Bárbara Elisa Pereira Alves (Dahkki), Eloisa Dutra Caldas (Dahkki)
• Materiálatiipa: Girji
• Almmustuhtton: Universidade de São Paulo, 2022-11-01T00:00:00Z.
• Fáttát: article
• Liŋkkat: Connect to this object online.

Abstract Formaldehyde is a carcinogenic compound used as preservative in cosmetic products. In this study, a derivatization procedure using MeOH, EtOH and HCl (25:25:1), and incubation at 60ºC for 4 hours was optimized, and the derivatized products - methylal, ethoxymethoxymethane (EMM), and ethylal...