2-acetyl oxazole
1-(1,3-oxazol-2-yl)ethanone

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Name: 1-(1,3-oxazol-2-yl)ethanone CAS Number: 77311-07-0 3D/inchi FDA UNII: Search XlogP3-AA: 0.40 (est) Molecular Weight: 111.10025000 Formula: C5 H5 N O2 NMR Predictor: Predict (works with chrome, Edge or firefox) Category:natural substances and extractives   US / EU / FDA / JECFA / FEMA / FLAVIS / Scholar / Patent Information: Google Scholar: Search Google Books: Search Google Scholar: with word "volatile" Search Google Scholar: with word "flavor" Search Google Scholar: with word "odor" Search Google Patents: Search US Patents: Search EU Patents: Search Pubchem Patents: Search PubMed: Search NCBI: Search   Physical Properties: Appearance: colorless to pale yellow clear liquid (est) Assay: 95.00 to 100.00 Food Chemicals Codex Listed: No Boiling Point: 177.00 to 178.00 °C. @ 760.00 mm Hg (est) Vapor Pressure: 1.040000 mmHg @ 25.00 °C. (est) Flash Point: 142.00 °F. TCC ( 61.10 °C. ) (est) logP (o/w): -0.213 (est) Soluble in:   water, 2.157e+005 mg/L @ 25 °C (est)   Organoleptic Properties: Odor Type: nutty nutty popcorn Odor Description:at 0.10 % in propylene glycol. nutty popcorn Odor and/or flavor descriptions from others (if found).   Cosmetic Information: None found   Suppliers:   None found   Safety Information:   Hazards identification   Classification of the substance or mixture GHS Classification in accordance with 29 CFR 1910 (OSHA HCS) None found. GHS Label elements, including precautionary statements   Pictogram   Hazard statement(s) None found. Precautionary statement(s) None found. Oral/Parenteral Toxicity: Not determined Dermal Toxicity: Not determined Inhalation Toxicity: Not determined   Safety in Use Information: Category: natural substances and extractives Recommendation for 2-acetyl oxazole usage levels up to:   not for fragrance use.   Recommendation for 2-acetyl oxazole flavor usage levels up to:   not for flavor use.   Safety References: EPI System: View AIDS Citations:Search Cancer Citations:Search Toxicology Citations:Search EPA ACToR:Toxicology Data EPA Substance Registry Services (SRS):Registry Laboratory Chemical Safety Summary :19782729 National Institute of Allergy and Infectious Diseases:Data 1-(1,3-oxazol-2-yl)ethanone   References:   1-(1,3-oxazol-2-yl)ethanone NIST Chemistry WebBook: Search Inchi Pubchem (cid): 19782729 Pubchem (sid): 32576007   Other Information: (IUPAC): Atomic Weights of the Elements 2011 (pdf) Videos: The Periodic Table of Videos tgsc: Atomic Weights use for this web site (IUPAC): Periodic Table of the Elements HMDB (The Human Metabolome Database): HMDB38175 FooDB: FDB017414 VCF-Online: VCF Volatile Compounds in Food ChemSpider: View   Potential Blenders and core components note For Odor No odor group found for these sulfuryl octanoate FL/FR sulfuryl butyrate FL/FR sulfuryl decanoate FL/FR sulfuryl hexanoate FL/FR sulfuryl isobutyrate FL/FR sulfuryl propionate FL/FR valeraldehyde dibutyl acetal FL/FR valeraldehyde propylene glycol acetal FL/FR alcoholic alcoholic propyl alcohol FL/FR aldehydic nonanal (aldehyde C-9) FL/FR pinoacetaldehyde FR amber ambroxan FL/FR balsamic 2- acetyl furan FL/FR (E)- benzyl tiglate FL/FR propyl benzoate FL/FR bready coffee furanone FL/FR furfural FL/FR buttery acetyl propionyl FL/FR 3,4- hexane dione FL/FR camphoreous bornyl isobutyrate FL/FR caramellic cyclotene FL/FR ethyl 2-hydroxy-2-methyl butyrate FL/FR ethyl cyclopentenolone FL/FR fenugreek absolute FL/FR iso propenyl pyrazine FL/FR chocolate chocolate pyrazine A FL/FR cocoa hexenal FL/FR cocoa pentenal FL/FR 2,5- dimethyl pyrazine FL/FR 2- methoxy-3-methyl pyrazine FL/FR 2- methoxypyrazine FL/FR 2,4,5- trimethyl thiazole FL/FR cocoa 2- methyl butyraldehyde FL/FR coconut alpha- angelica lactone FL/FR delta- decalactone FL/FR gamma- heptalactone FL/FR coffee cichorium intybus root extract FL/FR coffea arabica seed extract FL/FR furfuryl mercaptan FL/FR 2- methyl-3-,5 or 6-(furfuryl thio) pyrazine FL/FR corn chip popcorn pyrimidine FL/FR coumarinic coumane FL/FR tonka bean resinoid FR earthy 6(or 8)-iso butyl quinoline FR 2- ethyl-3-methoxypyrazine FL/FR 3- octanol FL/FR ethereal acetal FL/FR fatty coconut absolute FL/FR fermented valeraldehyde FL/FR floral boronia butenal FR para- cresyl laurate FL/FR hawthorn carbinol FL/FR ortho- methyl acetophenone FL/FR fruity allyl 2-ethyl butyrate FL/FR iso amyl lactate FL/FR iso amyl nonanoate FL/FR benzaldehyde FL/FR benzyl butyrate FL/FR bread thiophene FL/FR methyl valerate FL/FR 3- methyl-2-butenal FL/FR tetrahydrofurfuryl acetate FL/FR tropical thiazole FL/FR gamma- undecalactone (aldehyde C-14 (so-called)) FL/FR valeriana officinalis root extract FL/FR green benzaldehyde dimethyl acetal FL/FR butyl lactate FL/FR 1- heptanol FL/FR 2- heptyl furan FL/FR lilac acetaldehyde FL/FR (E,Z)-2,6- nonadien-1-ol FL/FR (E,Z)-2,6- nonadien-1-yl acetate FL/FR iso propyl quinoline FR styralyl acetate FL/FR tiglaldehyde FL/FR herbal apium graveolens seed extract FL/FR 2- pentyl acetate FL/FR saffron pyranone FR meaty sulfurol FL/FR medicinal quinoline CS mushroom 3- octen-2-ol FL/FR musty 2- acetyl pyrrole FL/FR 3- acetyl-2,5-dimethyl furan FL/FR cocoa butenal FL/FR hazelnut pyrazine FL/FR menthofuran FL/FR naphthyl para- methyl anisole FL/FR ortho- methyl anisole FL/FR nutty 3- acetyl pyridine FL/FR 2- acetyl-3-ethyl pyrazine FL/FR 2- acetyl-3-methyl pyrazine FL/FR 2- acetyl-3,5-dimethyl pyrazine FL/FR 2- acetyl-3,5(or 6)-dimethyl pyrazine FL/FR 2- acetyl-5-methyl furan FL/FR 3,6- cocoa pyrazine FL/FR 3,5- cocoa pyrazine FL/FR 2,3- dimethyl pyrazine FL/FR 4,5- dimethyl-2-ethyl-3-thiazoline FL/FR 2- ethyl pyrazine FL/FR 2- ethyl-4-methyl thiazole FL/FR filbert heptenone FL/FR filbert heptenone B FL/FR filbert pyrazine FL/FR (E)- filbertone FL/FR 2,6- lutidine FL/FR methoxymethyl pyrazine FL/FR 2- methyl pyrazine FL/FR 5- methyl quinoxaline FL/FR 2- methyl thio-3,5 or 6-methyl pyrazine FL/FR 2- methyl-3-(methyl thio) pyrazine FL/FR 2- methyl-3-ethoxypyrazine FL/FR 2- methyl-3-propyl pyrazine FL/FR nutty cyclohexenone FL/FR nutty quinoxaline FL/FR (Z)-3- octen-2-one FL/FR resorcinol FR sesame absolute FL/FR shoyu pyrazine FL/FR 2,3,5,6- tetramethyl pyrazine FL/FR 2,4,5- trimethyl oxazole FL/FR 2,3,5- trimethyl pyrazine FL/FR vinyl sulfurol FL/FR phenolic para-alpha- dimethyl styrene FL/FR popcorn 2- acetyl pyrazine FL/FR 2- acetyl pyridine FL/FR 2- acetyl thiazole FL/FR 2- acetyl-3,6-dimethyl pyrazine FL/FR spicy 3-(2- furyl) acrolein FL/FR sulfurous benzothiazole FL/FR furfuryl thioacetate FL/FR S- furfuryl thioformate FL/FR tobacco (E,E/E,Z)- tobacco cyclohexenone FL/FR veltonal (Bedoukian) FR tonka 6- amyl-alpha-pyrone FL/FR coumarin FR tonka bean absolute FR whiskey lactone FL/FR tropical delta- dodecalactone FL/FR vegetable mesityl oxide FL/FR tetrahydrofurfuryl alcohol FL/FR woody 4- hydroxybenzaldehyde FL/FR sandal cyclopentane FR sandalwood oil FL/FR sandela FR santalyl acetate FL/FR santalyl butyrate FL/FR For Flavor No flavor group found for these acetyl acetaldehyde dimethyl acetal FL 2- acetyl-1-pyrroline FL 2- acetyl-3,6-dimethyl pyrazine FL/FR 2- acetyl-5-methyl pyrazine FL 2- acetyl-6-methyl pyrazine FL (E)- aconitic acid FL iso amyl lactate FL/FR bornyl isobutyrate FL/FR butyramide FL chocolate pyrazine A FL/FR chocolate pyrazine B FL coumane FL/FR cyclohexyl methyl pyrazine FL 2,5- diethyl thiazole FL 2,5- diethyl-4-methyl thiazole FL 6,7- dihydro-2,3-dimethyl-5H-cyclopentapyrazine FL dimethyl dihydrocyclopentapyrazine FL 6,7- dimethyl dihydrocyclopentapyrazine FL 2,5- dimethyl thiazole FL 2- ethoxy-3-isopropyl pyrazine FL ethyl 2-hydroxy-2-methyl butyrate FL/FR ethyl dimethyl pyrazine FL 2- ethyl thiazole FL 2- ethyl-3-methoxypyrazine FL/FR (Z+E)-5- ethyl-4-methyl-2-(2-butyl) thiazoline FL (Z+E)-5- ethyl-4-methyl-2-(2-methyl propyl) thiazoline FL (E)- filbertone FL/FR 3-(2- furyl) acrolein FL/FR (E,E)-2,4- heptadien-1-ol FL 2,4- heptadien-1-ol FL 2- hexyl-5 or 6-keto-1,4-dioxane FL 2- methoxypyrazine FL/FR methyl 2-(methyl thio) acetate FL 4- methyl-1-pentanol FL 2- methyl-2-thiazoline FL 2- methyl-3-,5 or 6-(furfuryl thio) pyrazine FL/FR 2- methyl-3-(methyl thio) pyrazine FL/FR 2- methyl-3-ethoxypyrazine FL/FR 2- methyl-5-ethoxypyrazine FL 2- methyl-6-ethoxypyrazine FL (Z)-3- octen-2-one FL/FR peanut dithiazine FL 3- pentanol FL 2- propionyl pyrrole FL 2- propyl pyridine FL pyrazines mixture FL pyrazinyl methyl sulfide FL pyrrole FL para- salicylic acid FL santalyl butyrate FL/FR sulfuryl butyrate FL/FR sulfuryl decanoate FL/FR sulfuryl hexanoate FL/FR sulfuryl isobutyrate FL/FR thiazole FL valeraldehyde propylene glycol acetal FL/FR ortho- vinyl anisole FL 5- acetyl-2,3-dihydro-1,4-thiazine FL sulfuryl formate FL sulfuryl octanoate FL/FR sulfuryl propionate FL/FR valeraldehyde dibutyl acetal FL/FR alcoholic alcoholic propyl alcohol FL/FR aldehydic nonanal (aldehyde C-9) FL/FR alliaceous 2- methyl thioacetaldehyde FL tropical thiazole FL/FR anisic ortho- methyl acetophenone FL/FR apple (E,Z)-2,6- nonadien-1-ol FL/FR balsamic (E)- benzyl tiglate FL/FR bitter cocoa pyrazines base (mixture of pyrazines) FL methyl ethoxypyrazine FL paullinia cupana seed extract FL bready 2- propionyl thiazole FL brown furfural FL/FR tetrahydrofurfuryl acetate FL/FR burnt 2- methyl quinoxaline FL iso propenyl pyrazine FL/FR 2,4,5- trimethyl oxazole FL/FR buttery butyroin FL 3,4- hexane dione FL/FR camphoreous ortho- methyl anisole FL/FR caramellic cyclotene FL/FR fenugreek absolute FL/FR barley malt extract FL cocoa cocoa distillates FL cocoa hexenal FL/FR coconut delta- decalactone FL/FR coffee cichorium intybus root extract FL/FR coffea arabica seed extract FL/FR coffee distillates FL difurfuryl ether FL 2- ethyl-4-methyl thiazole FL/FR furfuryl mercaptan FL/FR 2-iso propyl pyrazine FL corn 2- acetyl pyridine FL/FR 2- acetyl thiazole FL/FR 2- acetyl-2-thiazoline FL popcorn pyrimidine FL/FR creamy 6- amyl-alpha-pyrone FL/FR alpha- angelica lactone FL/FR delta- dodecalactone FL/FR 4- hydroxybenzaldehyde FL/FR gamma- undecalactone (aldehyde C-14 (so-called)) FL/FR dairy 2- pentyl acetate FL/FR earthy 2- methyl-3-propyl pyrazine FL/FR tamarind distillates FL ethereal allyl 2-ethyl butyrate FL/FR fatty coconut absolute FL/FR (E,E)-2,4- decadienal FL 2- heptyl furan FL/FR (E,E)-2,4- nonadienal FL fishy 4,5- dimethyl thiazole FL floral cocoa pentenal FL/FR fruity benzaldehyde FL/FR benzyl butyrate FL/FR bread thiophene FL/FR 2,4- hexadien-1-ol FL lilac acetaldehyde FL/FR (E,E)- methyl sorbate FL methyl valerate FL/FR 3- methyl-2-butenal FL/FR propyl benzoate FL/FR styralyl acetate FL/FR tiglaldehyde FL/FR valeriana officinalis root extract FL/FR fusel 2- methyl butyraldehyde FL/FR green benzaldehyde dimethyl acetal FL/FR butyl lactate FL/FR celery distillates FL cocoa butenal FL/FR dihydroxyacetophenone (mixed isomers) FL 2,5- dimethyl thiophene FL 4- methyl thiazole FL 2- methyl-5-isopropyl pyrazine FL (E,Z)-2,6- nonadien-1-yl acetate FL/FR 2- propyl pyrazine FL 2- vinyl pyrazine FL herbal apium graveolens seed extract FL/FR jammy ethyl cyclopentenolone FL/FR lactonic gamma- heptalactone FL/FR meaty benzothiazole FL/FR 2,6- dimethyl thiophenol FL 2- pyridinyl methane thiol FL sulfurol FL/FR mushroom 3- octen-2-ol FL/FR musty 2,5- dimethyl pyrazine FL/FR 2- ethoxythiazole FL hazelnut pyrazine FL/FR menthofuran FL/FR 3- octanol FL/FR propionaldehyde FL shoyu pyrazine FL/FR 2,3,5- trimethyl pyrazine FL/FR naphthyl para- methyl anisole FL/FR nutty acetal FL/FR 2- acetyl furan FL/FR 3- acetyl pyridine FL/FR 2- acetyl pyrrole FL/FR 3- acetyl-2,5-dimethyl furan FL/FR 2- acetyl-3-ethyl pyrazine FL/FR 2- acetyl-3-methyl pyrazine FL/FR 2- acetyl-3,5-dimethyl pyrazine FL/FR 2- acetyl-3,5(or 6)-dimethyl pyrazine FL/FR 2- acetyl-5-methyl furan FL/FR aconitic acid FL 2- butyl-2-butenal FL 3,5(6)- cocoa pyrazine FL 3,6- cocoa pyrazine FL/FR 3,5- cocoa pyrazine FL/FR coffee furanone FL/FR 3,5- diethyl-2-methyl pyrazine FL 2,5- diethyl-3-methyl pyrazine FL 2,3- dimethyl pyrazine FL/FR 4,5- dimethyl-2-ethyl-3-thiazoline FL/FR 2,4- dimethyl-5-vinyl thiazole FL 2- ethyl pyrazine FL/FR 1- ethyl-2-acetyl pyrrole FL filbert heptenone FL/FR filbert heptenone B FL/FR filbert pyrazine FL/FR european hazelnut oleoresin FL 2,6- lutidine FL/FR 2- methoxy-3-methyl pyrazine FL/FR methoxymethyl pyrazine FL/FR 2- methyl pyrazine FL/FR 5- methyl quinoxaline FL/FR 2- methyl thio-3,5 or 6-methyl pyrazine FL/FR nutty cyclohexenone FL/FR nutty quinoxaline FL/FR nutty thiazole FL peanut oxazole FL sesame absolute FL/FR sesame distillates FL tetrahydrofurfuryl alcohol FL/FR 2,3,5,6- tetramethyl pyrazine FL/FR (E,E/E,Z)- tobacco cyclohexenone FL/FR 2,4,5- trimethyl thiazole FL/FR vinyl sulfurol FL/FR phenolic 2- hydroxyisophorone FL popcorn 2- propionyl-2-thiazoline FL potato mesityl oxide FL/FR roasted 2- acetyl pyrazine FL/FR ethyl 3-(furfuryl thio) propionate FL furfuryl thioacetate FL/FR smoky prosopis juliflora wood extract FL solvent 1- heptanol FL/FR spicy para-alpha- dimethyl styrene FL/FR hawthorn carbinol FL/FR sulfurous S- furfuryl thioformate FL/FR sweet 2- acetyl-3-methyl thiophene FL toasted acetyl propionyl FL/FR waxy para- cresyl laurate FL/FR winey iso amyl nonanoate FL/FR 5- ethyl-2-methyl pyridine FL valeraldehyde FL/FR woody ambroxan FL/FR sandalwood oil FL/FR santalyl acetate FL/FR whiskey lactone FL/FR   Potential Uses: FR chocolate   nutty FR peanut   Occurrence (nature, food, other):note   cocoa butter Search Trop Picture   peanut roasted peanut Search Trop Picture   Synonyms: 2- acetyloxazole   ethanone, 1-(2-oxazolyl)- 1-( oxazol-2-yl)ethanone 1-(1,3- oxazol-2-yl)ethanone 1- oxazol-2-yl-ethanone   Articles:   None found yet. 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Notes: Constit. of roasted peanuts and cocoa beans

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