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

• Hlavní autoři: Ettore Ferrari Júnior (Autor), Lívia Barros Salum (Autor), Robiedson Romeiro Damasceno (Autor), Bárbara Elisa Pereira Alves (Autor), Eloisa Dutra Caldas (Autor)
• Médium: Kniha
• Vydáno: Universidade de São Paulo, 2022-11-01T00:00:00Z.
• Témata: article
• On-line přístup: 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...