Formaldehyde analysis of seized cosmetic products by HS-GC-MS of methylal, ethoxymethoxymethane, and ethylal derivatives
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...
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Universidade de São Paulo
2022-11-01
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| Series: | Brazilian Journal of Pharmaceutical Sciences |
| Subjects: | |
| Online Access: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-82502022000100737&lng=en&tlng=en |