Record Information |
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Version | 1.0 |
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Creation date | 2010-04-08 22:07:38 UTC |
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Update date | 2020-09-17 15:31:31 UTC |
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Primary ID | FDB007475 |
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Secondary Accession Numbers | |
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Chemical Information |
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FooDB Name | Terpenene |
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Description | Alpha-Terpinene is one of four isomers of terpinene (the other three being beta terpinene, gamma terpenine, and delta terpinine or terpimolene) that differ in the position of carbon-carbon double bonds. Alpha-Terpinene belongs to the class of organic compounds known as menthane monoterpenes. These are monoterpenes with a structure based on the o-, m-, or p-menthane backbone. p-Menthane consists of the cyclohexane ring with a methyl group and a (2-methyl)-propyl group at the 1 and 4 ring position, respectively. The o- and m- menthanes are much rarer, and presumably arise by alkyl migration of p-menthanes. alpha-Terpinene is a naturally occurring monoterpene found in allspice, cardamom, and marjoram. alpha-Terpinene is a constituent of many essential oils with oil from Litsea ceylanica being is a major source (20%) of it. alpha-Terpinene has been found in Citrus, Eucalyptus and Juniperus species. alpha-Terpinene is a flavouring agent and is produced industrially by acid-catalyzed rearrangement of α-pinene. It has perfume and flavoring properties but is mainly used to confer a pleasant odor to industrial fluids. |
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CAS Number | Not Available |
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Structure | |
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Synonyms | Synonym | Source |
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1-Isopropyl-4-methyl-1,3-cyclohexadiene | ChEBI | 1-Methyl-4-(1-methylethyl)-1,3-cyclohexadiene | ChEBI | p-Mentha-1,3-diene | ChEBI | Terpilene | ChEBI | a-Terpinene | Generator | Α-terpinene | Generator | 1-Isopropyl-4-methyl-cyclohexa-1,3-diene | HMDB | 1-Isopropyl-4-methylcyclohexa-1,3-diene | HMDB | 1-Methyl-4-(propan-2-yl)cyclohexa-1,3-diene | HMDB | 1-Methyl-4-isopropyl-1,3-cyclohexadiene | HMDB | 1-Methyl-4-isopropylcyclohexadiene-1,3 | HMDB | alpha -Terpinene | HMDB | FEMA 3558 | HMDB | 1,4-p-Menthadiene | HMDB | beta-Terpinene | HMDB | gamma-Terpinene | HMDB | 4-Isopropyl-1-methyl-1,3-cyclohexadiene | PhytoBank | alpha-Terpinen | PhytoBank | α-Terpinen | PhytoBank | alpha-Terpinene | PhytoBank |
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Predicted Properties | |
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Chemical Formula | C10H16 |
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IUPAC name | 1-methyl-4-(propan-2-yl)cyclohexa-1,3-diene |
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InChI Identifier | InChI=1S/C10H16/c1-8(2)10-6-4-9(3)5-7-10/h4,6,8H,5,7H2,1-3H3 |
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InChI Key | YHQGMYUVUMAZJR-UHFFFAOYSA-N |
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Isomeric SMILES | CC(C)C1=CC=C(C)CC1 |
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Average Molecular Weight | 136.238 |
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Monoisotopic Molecular Weight | 136.125200515 |
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Classification |
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Description | Belongs to the class of organic compounds known as menthane monoterpenoids. These are monoterpenoids with a structure based on the o-, m-, or p-menthane backbone. P-menthane consists of the cyclohexane ring with a methyl group and a (2-methyl)-propyl group at the 1 and 4 ring position, respectively. The o- and m- menthanes are much rarer, and presumably arise by alkyl migration of p-menthanes. |
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Kingdom | Organic compounds |
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Super Class | Lipids and lipid-like molecules |
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Class | Prenol lipids |
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Sub Class | Monoterpenoids |
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Direct Parent | Menthane monoterpenoids |
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Alternative Parents | |
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Substituents | - P-menthane monoterpenoid
- Monocyclic monoterpenoid
- Branched unsaturated hydrocarbon
- Cyclic olefin
- Unsaturated aliphatic hydrocarbon
- Unsaturated hydrocarbon
- Olefin
- Hydrocarbon
- Aliphatic homomonocyclic compound
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Molecular Framework | Aliphatic homomonocyclic compounds |
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External Descriptors | |
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Ontology |
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Disposition | Route of exposure: Source: Biological location: |
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Process | Naturally occurring process: |
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Role | Industrial application: Biological role: |
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Physico-Chemical Properties - Experimental |
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Physico-Chemical Properties - Experimental | Property | Value | Reference |
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Physical state | Not Available | |
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Physical Description | Not Available | |
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Mass Composition | Not Available | |
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Melting Point | Not Available | |
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Boiling Point | Not Available | |
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Experimental Water Solubility | Not Available | |
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Experimental logP | Not Available | |
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Experimental pKa | Not Available | |
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Isoelectric point | Not Available | |
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Charge | Not Available | |
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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) | splash10-0096-9400000000-322df4fdc907d6ef5f6f | 2015-03-01 | View Spectrum | GC-MS | Terpinene, non-derivatized, GC-MS Spectrum | splash10-006x-9500000000-e60fb974334faa2cf625 | Spectrum | GC-MS | Terpinene, non-derivatized, GC-MS Spectrum | splash10-00du-6900000000-41fde84dbd73528ad68f | Spectrum | GC-MS | Terpinene, non-derivatized, GC-MS Spectrum | splash10-006x-9500000000-e60fb974334faa2cf625 | Spectrum | GC-MS | Terpinene, non-derivatized, GC-MS Spectrum | splash10-00du-6900000000-41fde84dbd73528ad68f | Spectrum | GC-MS | Terpinene, non-derivatized, GC-MS Spectrum | splash10-006x-9500000000-e78a04a46a017816d9f9 | Spectrum | Predicted GC-MS | Terpinene, non-derivatized, Predicted GC-MS Spectrum - 70eV, Positive | splash10-006x-9300000000-9e298f76f2606ff289fa | Spectrum | Predicted GC-MS | Terpinene, non-derivatized, Predicted GC-MS Spectrum - 70eV, Positive | Not Available | Spectrum |
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MS/MS | Type | Description | Splash Key | View |
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Predicted MS/MS | Predicted LC-MS/MS Spectrum - 10V, Positive | splash10-000i-2900000000-52130a4409b06401c277 | 2015-04-24 | View Spectrum | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 20V, Positive | splash10-000i-9700000000-349bdb9de1ad5c9d7917 | 2015-04-24 | View Spectrum | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 40V, Positive | splash10-1000-9100000000-4f3636bfa36656ebc350 | 2015-04-24 | View Spectrum | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 10V, Negative | splash10-000i-0900000000-954e07bd601b6ad95425 | 2015-04-25 | View Spectrum | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 20V, Negative | splash10-000i-0900000000-e41a6714348b3249ddac | 2015-04-25 | View Spectrum | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 40V, Negative | splash10-014u-5900000000-9a9e0414dcb34d920983 | 2015-04-25 | View Spectrum | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 10V, Positive | splash10-000j-9600000000-17d717eb220781ad4cc1 | 2021-09-24 | View Spectrum | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 20V, Positive | splash10-0536-9100000000-3f771329175d59bc664c | 2021-09-24 | View Spectrum | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 40V, Positive | splash10-00mo-9000000000-68b4409b06699bad322f | 2021-09-24 | View Spectrum | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 10V, Negative | splash10-000i-0900000000-a013b4ae27f975ab5621 | 2021-09-24 | View Spectrum | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 20V, Negative | splash10-000i-0900000000-a013b4ae27f975ab5621 | 2021-09-24 | View Spectrum | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 40V, Negative | splash10-00kf-9400000000-20ffbcb6b8f03ba79f67 | 2021-09-24 | View Spectrum |
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NMR | Type | Description | | View |
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1D NMR | 1H NMR Spectrum (1D, 400 MHz, CDCl3, experimental) | | Spectrum | 1D NMR | 13C NMR Spectrum (1D, 15.09 MHz, CDCl3, experimental) | | Spectrum |
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External Links |
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ChemSpider ID | Not Available |
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ChEMBL ID | Not Available |
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KEGG Compound ID | Not Available |
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Pubchem Compound ID | Not Available |
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Pubchem Substance ID | Not Available |
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ChEBI ID | Not Available |
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Phenol-Explorer ID | Not Available |
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DrugBank ID | Not Available |
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HMDB ID | Not Available |
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CRC / DFC (Dictionary of Food Compounds) ID | Not Available |
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EAFUS ID | Not Available |
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Dr. Duke ID | TERPENENE |
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BIGG ID | Not Available |
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KNApSAcK ID | Not Available |
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HET ID | Not Available |
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Food Biomarker Ontology | Not Available |
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VMH ID | Not Available |
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Flavornet ID | Not Available |
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GoodScent ID | Not Available |
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SuperScent ID | Not Available |
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Wikipedia ID | Not Available |
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Phenol-Explorer Metabolite ID | Not Available |
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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 | Not Available |
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Enzymes | Not Available |
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Pathways | 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 | Not Available |
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Files |
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MSDS | Not Available |
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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).
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