2 Vinyl Phenol

0 0500 in the fragrance concentrate.
2 vinyl phenol. O phenylenes a class of conjugated oligomers via an iterative. It has a role as a pheromone a flavouring agent and a plant metabolite. Flavis number 4 009. 4 vinylphenol also known as p hydroxystyrene belongs to the class of organic compounds known as styrenes.
4 vinylphenol participates in a. Dibenzofurans via palladium catalyzed phenol directed c h activation c o cyclization or copper catalyzed aerobic c h activation followed by cycloetherification. Council of europe no. 2 methoxy 4 vinylphenol 98 fg synonym.
Pubmed lewis acid catalyzed cyclization of propargylic alcohols with 2 vinylphenol. Apple spicy peanut wine like or clove and curry. The aroma of pure substance was described as. Linear formula ch 3 oc 6 h 3 ch ch 2 oh.
4 vinylphenol exists as a solid slightly soluble in water and a very weakly acidic compound based on its pka. Recommendation for 2 methoxy 4 vinyl phenol usage levels up to. Application 2 phenylphenol can be used as a precursor in the synthesis of. Phenol is used in some throat sprays that can help numb your throat and relieve symptoms caused.
It is one of the compounds responsible for the natural aroma of buckwheat. 6 2 8 magnesium and magnesium alloys. Fema number 2675. Adhesives recommended include epoxies epoxy phenolics polyurethanes silicones cyanoacrylates polyvinyl acetate vinyl chloride vinyl acetate copolymer vinyl phenolic nitrile phenolic neoprene phenolic and nylon epoxy.
Pubchem substance id 24901240. 4 vinyl guaiacol cas number 7786 61 0. 4 vinylphenol exists in all eukaryotes ranging from yeast to humans. Some insects such as rhynchophorus ferrugineus red palm weevil use this substance for chemical signaling.
Materials and methods reaction procedures characterization data ccdc 1012849. A phenol compound called 2 phenoxyethanol is used in the vaccine ipol for polio. Pubmed mechanistic insights into hydroacylation with non chelating aldehydes electronic supplementary information esi available. Maximised survey derived daily intakes msdi eu.
4 vinylphenol is a phenolic compound found in wine and beer it is produced by the spoilage yeast brettanomyces when it reaches concentrations greater than the sensory threshold it can give the wine aromas described as barnyard medicinal band aids and mousy in wine 4 vinylphenol can react with other molecules such as anthocyanidins to produce new chemical compounds. 2 methoxy 4 vinylphenol is a member of the class of phenols that is guaiacol in which the hydrogen para to the hydroxy group is replaced by a vinyl group. For esi and crystallographic data in cif or other electronic format see doi. Molecular weight 150 17.
A wide variety of adhesives can be used for bonding magnesium as long as proper. 2 60 μg capita day use levels for fema gras flavoring substances on which the fema expert panel based its judgments that the substances are generally recognized as safe gras.