Record Information |
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Version | 1.0 |
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Creation date | 2010-04-08 22:09:11 UTC |
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Update date | 2024-11-29 22:26:58 UTC |
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Primary ID | FDB010558 |
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Secondary Accession Numbers | Not Available |
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Chemical Information |
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FooDB Name | Phenylacetic acid |
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Description | Found in essential oils, e.g. neroli, rose oil, free and as estersand is also present in grapes, raspberry, strawberry, cherimoya, other fruits, cheddar cheese, Swiss cheese, wine, black tea, peated malt and other foodstuffs. Flavouring ingredient
Phenyl acetate (or phenylacetate) is a carboxylic acid ester that has been found in the biofluids of patients with nephritis and/or hepatitis as well as patients with phenylketonuria (PKU). Excess phenylalanine in the body can be disposed of through a transamination process leading to the production of phenylpyruvate. The phenylpyruvate can be further metabolized into a number of products. Decarboxylation of phenylpyruvate gives phenylacetate, while a reduction reaction gives phenyllactate. The phenylacetate can be further conjugated with glutamine to give phenylacetyl glutamine. All of these metabolites can be detected in serum and urine of PKU patients. Phenyl acetate is also produced endogenously as the metabolite of 2-Phenylethylamine, which is mainly metabolized by monoamine oxidase to form phenyl acetate. 2-phenylethylamine is an "endogenous amphetamine" which may modulate central adrenergic functions, and the urinary phenyl acetate levels have been postulated as a marker for depression. (PMID: 17978765, 476920, 6857245). Phenylacetate is also found in essential oils, e.g. neroli, rose oil, free and as esters' and in many fruits. As a result it is used as a perfumery and flavoring ingredient.; Phenylacetic acid (abr. PAA and synonyms are: ?-toluic acid, benzeneacetic acid, alpha tolylic acid, 2-phenylacetic acid) is an organic compound containing a phenyl functional group and an acetic acid functional group. It is a white solid with a disagreeable odor. Because it is used in the illicit production of phenylacetone (used in the manufacture of meth/amphetamines), it is subject to controls in the United States. |
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CAS Number | 103-82-2 |
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Structure | |
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Synonyms | Synonym | Source |
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Not Available | Not Available |
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Predicted Properties | |
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Chemical Formula | C8H8O2 |
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IUPAC name | 2-phenylacetic acid |
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InChI Identifier | InChI=1S/C8H8O2/c9-8(10)6-7-4-2-1-3-5-7/h1-5H,6H2,(H,9,10) |
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InChI Key | WLJVXDMOQOGPHL-UHFFFAOYSA-N |
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Isomeric SMILES | OC(=O)CC1=CC=CC=C1 |
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Average Molecular Weight | 136.1479 |
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Monoisotopic Molecular Weight | 136.0524295 |
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Classification |
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Description | Belongs to the class of organic compounds known as benzene and substituted derivatives. These are aromatic compounds containing one monocyclic ring system consisting of benzene. |
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Kingdom | Organic compounds |
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Super Class | Benzenoids |
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Class | Benzene and substituted derivatives |
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Sub Class | Not Available |
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Direct Parent | Benzene and substituted derivatives |
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Alternative Parents | |
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Substituents | - Monocyclic benzene moiety
- Monocarboxylic acid or derivatives
- Carboxylic acid
- Carboxylic acid derivative
- Organic oxygen compound
- Organic oxide
- Hydrocarbon derivative
- Organooxygen compound
- Carbonyl group
- Aromatic homomonocyclic compound
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Molecular Framework | Aromatic homomonocyclic compounds |
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External Descriptors | |
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Ontology |
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Ontology | No ontology term |
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Physico-Chemical Properties |
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Physico-Chemical Properties - Experimental | Property | Value | Reference |
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Physical state | Solid | |
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Physical Description | Not Available | |
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Mass Composition | C 70.58%; H 5.92%; O 23.50% | DFC |
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Melting Point | Mp 77-78.5° | DFC |
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Boiling Point | Bp0.01 65-70° | DFC |
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Experimental Water Solubility | 16.6 mg/mL at 20 oC | CHIOU,CT et al. (1977) |
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Experimental logP | 1.41 | HANSCH,C ET AL. (1995) |
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Experimental pKa | pKa 4.31 (H2O) | DFC |
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Isoelectric point | Not Available | |
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Charge | -1 | |
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Optical Rotation | Not Available | |
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Spectroscopic UV Data | Not Available | |
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Density | Not Available | |
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Refractive Index | Not Available | |
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Spectra |
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Spectra | |
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EI-MS/GC-MS | Type | Description | Splash Key | View |
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EI-MS | Mass Spectrum (Electron Ionization) | splash10-0006-9100000000-1e23fd8e6ce900cd8e4c | 2014-09-20 | View Spectrum | GC-MS | Phenylacetic acid, 1 TMS, GC-MS Spectrum | splash10-0006-9700000000-c07461cdad68959aa53f | Spectrum | GC-MS | Phenylacetic acid, non-derivatized, GC-MS Spectrum | splash10-0006-9100000000-de65c7c0092343a4e599 | Spectrum | GC-MS | Phenylacetic acid, non-derivatized, GC-MS Spectrum | splash10-0006-9700000000-c07461cdad68959aa53f | Spectrum | GC-MS | Phenylacetic acid, non-derivatized, GC-MS Spectrum | splash10-0006-9700000000-43e86e45beae2fa6704f | Spectrum | Predicted GC-MS | Phenylacetic acid, non-derivatized, Predicted GC-MS Spectrum - 70eV, Positive | splash10-0006-9200000000-dc43e5e062b0ed500c5f | Spectrum | Predicted GC-MS | Phenylacetic acid, 1 TMS, Predicted GC-MS Spectrum - 70eV, Positive | splash10-0006-9100000000-aaef76d181aebe492bbe | Spectrum | Predicted GC-MS | Phenylacetic acid, non-derivatized, Predicted GC-MS Spectrum - 70eV, Positive | Not Available | Spectrum | Predicted GC-MS | Phenylacetic acid, TBDMS_1_1, Predicted GC-MS Spectrum - 70eV, Positive | Not Available | Spectrum |
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MS/MS | Type | Description | Splash Key | View |
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MS/MS | LC-MS/MS Spectrum - EI-B (HITACHI M-80B) , Positive | splash10-0006-9100000000-de65c7c0092343a4e599 | 2012-08-31 | View Spectrum | MS/MS | LC-MS/MS Spectrum - LC-ESI-IT , negative | splash10-0006-9000000000-6ca33b098558bf13801c | 2017-09-14 | View Spectrum | MS/MS | LC-MS/MS Spectrum - , negative | splash10-000i-0900000000-f898aafe4cecc87d26f1 | 2017-09-14 | View Spectrum | MS/MS | LC-MS/MS Spectrum - 10V, Positive | splash10-0006-9400000000-aa5bff1d7a8df7c97bdb | 2021-09-20 | View Spectrum | MS/MS | LC-MS/MS Spectrum - 40V, Positive | splash10-014i-9000000000-6a017c8136a375269f3e | 2021-09-20 | View Spectrum | MS/MS | LC-MS/MS Spectrum - 35V, Negative | splash10-000i-2900000000-d79f9224f2390d6b17a2 | 2021-09-20 | View Spectrum | MS/MS | LC-MS/MS Spectrum - 20V, Positive | splash10-0006-9000000000-e712b088c9a3d3855ec7 | 2021-09-20 | View Spectrum | MS/MS | LC-MS/MS Spectrum - 40V, Negative | splash10-01ri-9000000000-f0ed89dae2c22d4c538c | 2021-09-20 | View Spectrum | MS/MS | LC-MS/MS Spectrum - 20V, Negative | splash10-053i-2900000000-3e4bf20b985893f203e7 | 2021-09-20 | View Spectrum | MS/MS | LC-MS/MS Spectrum - 10V, Negative | splash10-000i-1900000000-5419b00a9c7c126093db | 2021-09-20 | View Spectrum | MS/MS | LC-MS/MS Spectrum - 35V, Negative | splash10-000i-1900000000-9a2e089c5511fa2bf210 | 2021-09-20 | View Spectrum | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 10V, Positive | splash10-00kr-2900000000-94a6f40f937bf9d7e4c7 | 2016-09-12 | View Spectrum | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 20V, Positive | splash10-0006-9500000000-8d3540e40bfc0e4c0e5f | 2016-09-12 | View Spectrum | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 40V, Positive | splash10-0006-9000000000-417ad1f13a593ac780b9 | 2016-09-12 | View Spectrum | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 10V, Negative | splash10-000l-5900000000-0ed04a623daaf32fffda | 2016-09-12 | View Spectrum | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 20V, Negative | splash10-000l-8900000000-709928d6b823240d3528 | 2016-09-12 | View Spectrum | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 40V, Negative | splash10-00kf-9600000000-4a7739132344f3dec710 | 2016-09-12 | View Spectrum | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 10V, Negative | splash10-0006-9000000000-5671d4c535a6553aaf0d | 2021-09-23 | View Spectrum | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 20V, Negative | splash10-0006-9000000000-5671d4c535a6553aaf0d | 2021-09-23 | View Spectrum | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 40V, Negative | splash10-0006-9000000000-5e37e9f4d7b24c763302 | 2021-09-23 | View Spectrum | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 10V, Positive | splash10-00kf-9800000000-aacb25995ab02725e0f4 | 2021-09-24 | View Spectrum | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 20V, Positive | splash10-0006-9100000000-930a2cbe3e9fb1915075 | 2021-09-24 | View Spectrum | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 40V, Positive | splash10-00kf-9000000000-199de8006c0d100aaabb | 2021-09-24 | View Spectrum |
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NMR | Type | Description | | View |
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1D NMR | 1H NMR Spectrum (1D, 600 MHz, H2O, experimental) | | Spectrum | 1D NMR | 13C NMR Spectrum (1D, 125 MHz, H2O, experimental) | | Spectrum | 1D NMR | 13C NMR Spectrum (1D, 15.09 MHz, CDCl3, experimental) | | Spectrum | 1D NMR | 1H NMR Spectrum (1D, D2O, experimental) | | Spectrum | 1D NMR | 13C NMR Spectrum (1D, D2O, experimental) | | Spectrum | 1D NMR | 13C NMR Spectrum (1D, 100 MHz, D2O, predicted) | | Spectrum | 1D NMR | 1H NMR Spectrum (1D, 100 MHz, D2O, predicted) | | Spectrum | 1D NMR | 13C NMR Spectrum (1D, 1000 MHz, D2O, predicted) | | Spectrum | 1D NMR | 1H NMR Spectrum (1D, 1000 MHz, D2O, predicted) | | Spectrum | 1D NMR | 13C NMR Spectrum (1D, 200 MHz, D2O, predicted) | | Spectrum | 1D NMR | 1H NMR Spectrum (1D, 200 MHz, D2O, predicted) | | Spectrum | 1D NMR | 13C NMR Spectrum (1D, 300 MHz, D2O, predicted) | | Spectrum | 1D NMR | 1H NMR Spectrum (1D, 300 MHz, D2O, predicted) | | Spectrum | 1D NMR | 13C NMR Spectrum (1D, 400 MHz, D2O, predicted) | | Spectrum | 1D NMR | 1H NMR Spectrum (1D, 400 MHz, D2O, predicted) | | Spectrum | 1D NMR | 13C NMR Spectrum (1D, 500 MHz, D2O, predicted) | | Spectrum | 1D NMR | 1H NMR Spectrum (1D, 500 MHz, D2O, predicted) | | Spectrum | 1D NMR | 13C NMR Spectrum (1D, 600 MHz, D2O, predicted) | | Spectrum | 1D NMR | 1H NMR Spectrum (1D, 600 MHz, D2O, predicted) | | Spectrum | 1D NMR | 13C NMR Spectrum (1D, 700 MHz, D2O, predicted) | | Spectrum | 1D NMR | 1H NMR Spectrum (1D, 700 MHz, D2O, predicted) | | Spectrum | 1D NMR | 13C NMR Spectrum (1D, 800 MHz, D2O, predicted) | | Spectrum | 1D NMR | 1H NMR Spectrum (1D, 800 MHz, D2O, predicted) | | Spectrum | 1D NMR | 13C NMR Spectrum (1D, 900 MHz, D2O, predicted) | | Spectrum | 1D NMR | 1H NMR Spectrum (1D, 900 MHz, D2O, predicted) | | Spectrum | 2D NMR | [1H, 13C]-HSQC NMR Spectrum (2D, 600 MHz, H2O, experimental) | | Spectrum |
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External Links |
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ChemSpider ID | 10181341 |
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ChEMBL ID | CHEMBL1044 |
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KEGG Compound ID | C07086 |
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Pubchem Compound ID | 999 |
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Pubchem Substance ID | Not Available |
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ChEBI ID | 30745 |
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Phenol-Explorer ID | 956 |
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DrugBank ID | Not Available |
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HMDB ID | HMDB00209 |
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CRC / DFC (Dictionary of Food Compounds) ID | FDG02-B:FDG02-B |
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EAFUS ID | 2993 |
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Dr. Duke ID | PHENYLACETIC-ACID |
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BIGG ID | 1486426 |
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KNApSAcK ID | C00000750 |
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HET ID | PAC |
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Food Biomarker Ontology | Not Available |
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VMH ID | Not Available |
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Flavornet ID | 103-82-2 |
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GoodScent ID | rw1009911 |
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SuperScent ID | Not Available |
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Wikipedia ID | Phenylacetic_acid |
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Phenol-Explorer Metabolite ID | 956 |
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Duplicate IDS | Not Available |
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Old DFC IDS | Not Available |
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Associated Foods |
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Food | Content Range | Average | Reference |
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Food | | | Reference |
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Biological Effects and Interactions |
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Health Effects / Bioactivities | Descriptor | ID | Definition | Reference |
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flavor | 48318 | A substance, extract, or preparation for diffusing or imparting an agreeable or attractive smell. | DUKE | perfumery | 48318 | A substance, extract, or preparation for diffusing or imparting an agreeable or attractive smell. | DUKE |
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Enzymes | Not Available |
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Pathways | Name | SMPDB Link | KEGG Link |
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Metabolism and Physiological Effects of Phenylacetylglutamine | SMP0123208 | Not Available | Metabolism and Physiological Effects of Phenylacetic Acid | SMP0123256 | Not Available | Metabolsim and Physiological Effects of 4-Ethylphenylsulfate | SMP0125541 | Not Available |
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Metabolism | Not Available |
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Biosynthesis | Not Available |
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Organoleptic Properties |
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Flavours | Flavor | Citations |
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honey |
- Arn, H, Acree TE. “Flavornet: A database of aroma compounds based on odor potency in natural products”. Developments in Food Science 40 (1998): 27. doi:10.1016/S0167-4501(98)80029-0
- The Good Scents Company (2009). Flavor and fragrance information catalog. <http://www.thegoodscentscompany.com/allprod.html> Accessed 15.10.23.
| flower |
- Arn, H, Acree TE. “Flavornet: A database of aroma compounds based on odor potency in natural products”. Developments in Food Science 40 (1998): 27. doi:10.1016/S0167-4501(98)80029-0
| sweet |
- The Good Scents Company (2009). Flavor and fragrance information catalog. <http://www.thegoodscentscompany.com/allprod.html> Accessed 15.10.23.
| floral |
- The Good Scents Company (2009). Flavor and fragrance information catalog. <http://www.thegoodscentscompany.com/allprod.html> Accessed 15.10.23.
| honeysuckle |
- The Good Scents Company (2009). Flavor and fragrance information catalog. <http://www.thegoodscentscompany.com/allprod.html> Accessed 15.10.23.
| sour |
- The Good Scents Company (2009). Flavor and fragrance information catalog. <http://www.thegoodscentscompany.com/allprod.html> Accessed 15.10.23.
| waxy |
- The Good Scents Company (2009). Flavor and fragrance information catalog. <http://www.thegoodscentscompany.com/allprod.html> Accessed 15.10.23.
| civet |
- The Good Scents Company (2009). Flavor and fragrance information catalog. <http://www.thegoodscentscompany.com/allprod.html> Accessed 15.10.23.
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Files |
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MSDS | show |
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References |
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Synthesis Reference | Not Available |
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General Reference | Not Available |
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Content Reference | — Duke, James. 'Dr. Duke's Phytochemical and Ethnobotanical Databases. United States Department of Agriculture.' Agricultural Research Service, Accessed April 27 (2004). — Shinbo, Y., et al. 'KNApSAcK: a comprehensive species-metabolite relationship database.' Plant Metabolomics. Springer Berlin Heidelberg, 2006. 165-181.
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