P Vinyl Guaiaco

4vg can be found naturally in most beers especially ales but usually well below threshold level.
P vinyl guaiaco. It is produced by the spoilage yeast brettanomyces. 4 vinylguaiacol has been primarily detected in urine. 4 vinylphenol is a phenolic compound found in wine and beer. 2 methoxy 4 vinylphenol is one of the key volatile aroma compounds of buckwheat and okra.
Kovats ri 1306 1323. C 9 h 10 o 2. Click here for details. Has a woody type odor and an smoky type flavor.
4 vinylguaiacol is slightly soluble in water and a very weakly acidic compound based on its pka. Ethyl ester ri 926 924. Some insects such as rhynchophorus ferrugineus red palm weevil use this substance for chemical signaling pheromones. When it reaches concentrations greater than the sensory threshold it can give the wine aromas described as barnyard medicinal band aids and mousy.
2 methoxy 4 vinylphenol is an aromatic substance used as a flavoring agent. It is one of the compounds responsible for the natural aroma of buckwheat. It is also one of the major pyrolytic products of e n 4 hydroxy 3 methoxy phenethyl 3 3 methoxy 4 o β d glucopyranosyloxy phenyl acrylamide. 4 vinylguaiacol also known as 2m4vp or guaiacol 4 vinyl belongs to the class of organic compounds known as methoxyphenols methoxyphenols are compounds containing a methoxy group attached to the benzene ring of a phenol moiety.
2 methoxy 4 vinyl phenol 7786 61 0 functional use s flavor and fragrance agents. P vinylguaiacol is an aromatic substance and one of the compounds responsible for the natural aroma of buckwheat. Web search msds.