| Record Information |
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| Version | 5.0 |
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| Status | Expected but not Quantified |
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| Creation Date | 2012-09-13 11:55:59 UTC |
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| Update Date | 2023-02-21 17:29:07 UTC |
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| HMDB ID | HMDB0042048 |
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| Secondary Accession Numbers | |
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| Metabolite Identification |
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| Common Name | Trichloroacetic acid |
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| Description | Trichloroacetic acid, also known as trichloroacetate or TCA, belongs to the class of organic compounds known as alpha-halocarboxylic acids. These are carboxylic acids containing a halogen atom bonded to the alpha carbon atom. Trichloroacetic acid is a drug. Trichloroacetic acid is a moderately acidic compound (based on its pKa). Trichloroacetic acid exists in all living organisms, ranging from bacteria to humans. A monocarboxylic acid that is acetic acid in which all three methyl hydrogens are substituted by chlorine. Trichloroacetic acid is formally rated as a possible carcinogen (by IARC 2B) and is also a potentially toxic compound. |
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| Structure | InChI=1S/C2HCl3O2/c3-2(4,5)1(6)7/h(H,6,7) |
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| Synonyms | | Value | Source |
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| TCA | ChEBI | | Trichloracetic acid | ChEBI | | Trichloressigsaeure | ChEBI | | Trichloroethanoic acid | ChEBI | | Trichloroacetate | Kegg | | Acido tricloroacetico | Kegg | | Trichloracetate | Generator | | Trichloroethanoate | Generator | | 2,2,2-Trichloro-acetic acid | HMDB | | Acetic acid, trichloro- (solid) | HMDB | | Aceto-caustin | HMDB | | Acide trichloracetique | HMDB | | Amchem grass killer | HMDB | | CCL3cooh | HMDB | | Konesta | HMDB | | Kyselina trichloroctova | HMDB | | TKhU | HMDB | | TKhUK | HMDB | | Trichloorazijnzuur | HMDB | | Trichloressigsaure | HMDB | | Trichloro-acetic acid | HMDB | | Trichloroacetic acid (acd/name 4.0) | HMDB | | Trichloroacetic acid solid (dot) | HMDB | | Trichloroacetic acid solution (dot) | HMDB | | Trichloroacetate, rubidium | HMDB | | Sodium trichloroacetate | HMDB | | Trichloracetique, acide | HMDB | | Rubidium trichloroacetate | HMDB | | Acid, trichloroacetic | HMDB | | Sanofi brand OF trichloroacetic acid | HMDB | | Trichloroacetate, sodium | HMDB |
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| Chemical Formula | C2HCl3O2 |
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| Average Molecular Weight | 163.387 |
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| Monoisotopic Molecular Weight | 161.904212397 |
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| IUPAC Name | trichloroacetic acid |
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| Traditional Name | trichloroacetic acid |
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| CAS Registry Number | 76-03-9 |
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| SMILES | OC(=O)C(Cl)(Cl)Cl |
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| InChI Identifier | InChI=1S/C2HCl3O2/c3-2(4,5)1(6)7/h(H,6,7) |
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| InChI Key | YNJBWRMUSHSURL-UHFFFAOYSA-N |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as alpha-halocarboxylic acids. These are carboxylic acids containing a halogen atom bonded to the alpha carbon atom. |
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| Kingdom | Organic compounds |
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| Super Class | Organic acids and derivatives |
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| Class | Carboxylic acids and derivatives |
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| Sub Class | Alpha-halocarboxylic acids and derivatives |
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| Direct Parent | Alpha-halocarboxylic acids |
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| Alternative Parents | |
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| Substituents | - Alpha-halocarboxylic acid
- Monocarboxylic acid or derivatives
- Carboxylic acid
- Organic oxygen compound
- Organic oxide
- Hydrocarbon derivative
- Organooxygen compound
- Organochloride
- Organohalogen compound
- Carbonyl group
- Alkyl halide
- Alkyl chloride
- Aliphatic acyclic compound
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| Molecular Framework | Aliphatic acyclic compounds |
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| External Descriptors | |
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| Ontology |
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| Physiological effect | Not Available |
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| Disposition | |
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| Process | Not Available |
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| Role | Not Available |
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| Physical Properties |
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| State | Solid |
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| Experimental Molecular Properties | | Property | Value | Reference |
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| Melting Point | 57.5 °C | Not Available | | Boiling Point | Not Available | Not Available | | Water Solubility | 44 mg/mL at 25 °C | Not Available | | LogP | 1.33 | Not Available |
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| Experimental Chromatographic Properties | Not Available |
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| Predicted Molecular Properties | |
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| Predicted Chromatographic Properties | Predicted Collision Cross SectionsPredicted Retention Times Underivatized| Chromatographic Method | Retention Time | Reference |
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| Measured using a Waters Acquity ultraperformance liquid chromatography (UPLC) ethylene-bridged hybrid (BEH) C18 column (100 mm × 2.1 mm; 1.7 μmparticle diameter). Predicted by Afia on May 17, 2022. Predicted by Afia on May 17, 2022. | 3.57 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 11.4369 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 2.55 minutes | 32390414 | | AjsUoB = Accucore 150 Amide HILIC with 10mM Ammonium Formate, 0.1% Formic Acid | 185.7 seconds | 40023050 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 1346.7 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 466.1 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 165.9 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 347.6 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 187.5 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 394.8 seconds | 40023050 | | BfG_NTS_RP1 =Agilent Zorbax Eclipse Plus C18 (2.1 mm x 150 mm, 3.5 um) with Water:ACN and 0.1% Formic Acid | 477.7 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 623.6 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 845.8 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 285.9 seconds | 40023050 | | UFZ_Phenomenex = Kinetex Core-Shell C18 2.6 um, 3.0 x 100 mm, Phenomenex with Water:MeOH and 0.1% Formic Acid | 1054.3 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 334.5 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 386.4 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 785.4 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 378.1 seconds | 40023050 | | Meister zic-pHILIC pH9.3 = Merck SeQuant ZIC-pHILIC column with ACN:Water 5mM NH4Ac pH9.3 and 5mM ammonium acetate in water | 309.5 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatizedDerivatized |
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| General References | - Song Y, Chidan Kumar CS, Akkurt M, Chandraju S, Li H: 1-[(4-Chloro-phen-yl)(phen-yl)meth-yl]piperazine-1,4-diium bis-(trichloro-acetate)-trichloro-acetic acid (1/1). Acta Crystallogr Sect E Struct Rep Online. 2012 Sep 1;68(Pt 9):o2695-6. doi: 10.1107/S1600536812034794. Epub 2012 Aug 11. [PubMed:22969587 ]
- Husek P, Svagera Z, Hanzlikova D, Simek P: Survey of several methods deproteinizing human plasma before and within the chloroformate-mediated treatment of amino/carboxylic acids quantitated by gas chromatography. J Pharm Biomed Anal. 2012 Aug-Sep;67-68:159-62. doi: 10.1016/j.jpba.2012.04.027. Epub 2012 May 7. [PubMed:22633606 ]
- Arjunan V, Marchewka MK, Pietraszko A, Kalaivani M: X-ray diffraction, vibrational and quantum chemical investigations of 2-methyl-4-nitroanilinium trichloroacetate trichloroacetic acid. Spectrochim Acta A Mol Biomol Spectrosc. 2012 Nov;97:625-38. doi: 10.1016/j.saa.2012.07.018. Epub 2012 Jul 16. [PubMed:22858610 ]
- Valencia DP, Astudillo PD, Galano A, Gonzalez FJ: Self-decarboxylation of trichloroacetic acid redox catalyzed by trichloroacetate ions in acetonitrile solutions. Org Biomol Chem. 2013 Jan 14;11(2):318-25. doi: 10.1039/c2ob26961a. Epub 2012 Nov 19. [PubMed:23165440 ]
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