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

• Main Authors: Ettore Ferrari Júnior (Author), Lívia Barros Salum (Author), Robiedson Romeiro Damasceno (Author), Bárbara Elisa Pereira Alves (Author), Eloisa Dutra Caldas (Author)
• Format: Book
• Published: Universidade de São Paulo, 2022-11-01T00:00:00Z.
• Subjects: article
• Online Access: 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...