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3-Hydroxy-2-butanone is a chemical used in food flavoring and fragrances. It acts as an intermediate of butanediol cycle in microorganisms. It is used as an aroma carrier in the preparation of flavors and essences.
Solid dimer is converted to liquid monomer on melting, dissolution or distillation. Gradually reverts to dimer on standing.
Praske, E.; Crounse, J. D.; Bates, K. H.; Kurten, T.; Kjaergaard, H. G.; Wennberg, P. O. Atmospheric Fate of Methyl Vinyl Ketone: Peroxy Radical Reactions with NO and HO2. J. Phys. Chem. A 2015, 119 (19), 4562-4572.
Liu, J.; Liu, M.; He, C.; Song, H.; Chen, F. Effect of thermal treatment on the flavor generation from Maillard reaction of xylose and chicken peptide. LWT Food Sci. Technol. 2015, 64 (1), 316-325.
Gefahrenhinweise (EU): H226-H315-H319
Flammable liquid and vapour. Causes skin irritation. Causes serious eye irritation.
Wear protective gloves. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.