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Front Public Health

Title:		Characterization of Odorous and Potentially Harmful Substances in Artists' Acrylic Paint
Author(s):		Bauer P; Buettner A;
Address:		"Chair of Aroma and Smell Research, Department of Chemistry and Pharmacy, Emil Fischer Center, Friedrich-Alexander-Universitat Erlangen-Nurnberg, Erlangen, Germany. Department Sensory Analytics, Fraunhofer Institute for Process Engineering and Packaging IVV, Freising, Germany"
Journal Title:		Front Public Health
Year:		2018
Volume:		20181129
Issue:
Page Number:		350 -
DOI:		10.3389/fpubh.2018.00350
ISSN/ISBN:		2296-2565 (Print) 2296-2565 (Electronic) 2296-2565 (Linking)
Abstract:		"Acrylic paints are fast drying water based paints that are easy to handle and have a high covering capacity and therefore possess many characteristics that make them applicable in a wide range of applications, such as varnishes or artists paints. Due to their emitted volatile organic compounds, these paints are associated with different work-related diseases and are known to emit an unpleasant odor. In this study six acrylic paints for artists were analyzed regarding their odor-active constituents. Therefore, the samples were extracted with dichloromethane and purified via solvent assisted flavor evaporation prior to analysis of the distillates by gas chromatography-mass spectrometry (GC-MS), gas chromatography-olfactometry (GC-O), and GC-GC-MS/O. Additionally all samples were sensorially characterized by a trained sensory panel. The identified odorous substances were primarily benzene derivatives (styrene, ethylbenzene, allylbenzene, propylbenzene) with a plastic-like, aromatic and solvent-like odor. Thereby, polycyclic aromatic hydrocarbons (naphthalene, indane, and tetralin derivatives) contributed to the plastic- and mothball-like odor whereas acrylic monomers (butyl acrylate) were found to be responsible for a mushroom-like and geranium leaf-like odor. As most of these substances are also known to be harmful, a reduction or replacement of these substances by less toxic and non-odor active ingredients is likely to turn out to be advisable in order to reduce the odor and potential negative physiological effects of paints"
Keywords:		3-methyl-4-heptanone acrylic paints butyl acrylate gas chromatography-olfactometry (GC-O) harmful substances naphthalene odor extract dilution analysis (OEDA) off-odors;
Notes:		"PubMed-not-MEDLINEBauer, Patrick Buettner, Andrea eng Switzerland 2018/12/18 Front Public Health. 2018 Nov 29; 6:350. doi: 10.3389/fpubh.2018.00350. eCollection 2018"