| Record Information |
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| Version | 5.0 |
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| Status | Detected but not Quantified |
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| Creation Date | 2006-08-13 07:01:17 UTC |
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| Update Date | 2023-02-21 17:16:50 UTC |
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| HMDB ID | HMDB0003903 |
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| Secondary Accession Numbers | |
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| Metabolite Identification |
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| Common Name | 2-Hydroxyethanesulfonate |
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| Description | 2-Hydroxyethanesulfonate (also known as 2-Hydroxyethanesulfonic acid or isethionic acid) is an organosulfur compound containing a short chain alkane sulfonate linked to a hydroxyl group. It is a water-soluble liquid used in the manufacture of mild, biodegradable, and high-foaming anionic surfactants. These surfactants provide gentle cleansing and a soft skin feel. 2-Hydroxyethanesulfonate forms a colourless, syrupy, and strongly acidic liquid that can form detergents with oleic acid. 2-Hydroxyethanesulfonate is frequently used in the industrial production of taurine. Mammals are also able to endogenously synthesize 2-hydroxyethanesulfonate via taurine through a possible enzymatic deamination process (PMID: 14490797 ). 2-Hydroxyethanesulfonate can be found in both human plasma and urine (PMID: 1159536 , PMID: 6066118 ). Higher plasma levels of 2-hydroxyethanesulfonate have been shown to be protective against type 2 diabetes. |
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| Structure | InChI=1S/C2H6O4S/c3-1-2-7(4,5)6/h3H,1-2H2,(H,4,5,6) |
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| Synonyms | | Value | Source |
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| 2-Hydroxyethane-1-sulfonic acid | ChEBI | | 2-Hydroxyethanesulfonic acid | ChEBI | | 2-Hydroxyethylsulfonic acid | ChEBI | | beta-Hydroxyethanesulfonic acid | ChEBI | | Isethionic acid | Kegg | | Isethionate | Kegg | | 2-Hydroxyethane-1-sulfonate | Generator | | 2-Hydroxyethane-1-sulphonate | Generator | | 2-Hydroxyethane-1-sulphonic acid | Generator | | 2-Hydroxyethanesulphonate | Generator | | 2-Hydroxyethanesulphonic acid | Generator | | 2-Hydroxyethylsulfonate | Generator | | 2-Hydroxyethylsulphonate | Generator | | 2-Hydroxyethylsulphonic acid | Generator | | b-Hydroxyethanesulfonate | Generator | | b-Hydroxyethanesulfonic acid | Generator | | b-Hydroxyethanesulphonate | Generator | | b-Hydroxyethanesulphonic acid | Generator | | beta-Hydroxyethanesulfonate | Generator | | beta-Hydroxyethanesulphonate | Generator | | beta-Hydroxyethanesulphonic acid | Generator | | Β-hydroxyethanesulfonate | Generator | | Β-hydroxyethanesulfonic acid | Generator | | Β-hydroxyethanesulphonate | Generator | | Β-hydroxyethanesulphonic acid | Generator | | (2-Hydroxyethyl)sulfonate | HMDB | | (2-Hydroxyethyl)sulfonic acid | HMDB | | Ethanolsulfonate | HMDB | | Ethanolsulfonic acid | HMDB | | Hydroxyethylsulfonate | HMDB | | Hydroxyethylsulfonic acid | HMDB, MeSH | | Isethionic acid sodium salt | HMDB | | Kyselina isethionova | HMDB | | Potassium 2-hydroxyethanesulfonate | HMDB | | Potassium isethionate | HMDB | | Sodium 2-hydroxyethanesulfonate | HMDB | | Sodium 2-hydroxyethyl sulfonate | HMDB | | Sodium beta-hydroxyethanesulfonate | HMDB | | Sodium isethionate | HMDB, MeSH | | Isethionate, sodium | MeSH, HMDB | | Acid, isethionic | MeSH, HMDB | | Isethionic acid monopotassium salt | MeSH, HMDB | | Isethionic acid monosodium salt | MeSH, HMDB | | Acid, hydroxyethylsulfonic | MeSH, HMDB | | Isethionic acid monoammonium salt | MeSH, HMDB | | 2-Hydroxyethanesulfonate | Generator |
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| Chemical Formula | C2H6O4S |
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| Average Molecular Weight | 126.132 |
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| Monoisotopic Molecular Weight | 125.99867937 |
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| IUPAC Name | 2-hydroxyethane-1-sulfonic acid |
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| Traditional Name | sodium isethionate |
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| CAS Registry Number | 107-36-8 |
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| SMILES | OCCS(O)(=O)=O |
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| InChI Identifier | InChI=1S/C2H6O4S/c3-1-2-7(4,5)6/h3H,1-2H2,(H,4,5,6) |
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| InChI Key | SUMDYPCJJOFFON-UHFFFAOYSA-N |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as organosulfonic acids. Organosulfonic acids are compounds containing the sulfonic acid group, which has the general structure RS(=O)2OH (R is not a hydrogen atom). |
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| Kingdom | Organic compounds |
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| Super Class | Organic acids and derivatives |
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| Class | Organic sulfonic acids and derivatives |
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| Sub Class | Organosulfonic acids and derivatives |
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| Direct Parent | Organosulfonic acids |
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| Alternative Parents | |
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| Substituents | - Alkanesulfonic acid
- Sulfonyl
- Organosulfonic acid
- Organic oxygen compound
- Organic oxide
- Hydrocarbon derivative
- Primary alcohol
- Organosulfur compound
- Organooxygen compound
- Alcohol
- 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 | < 25 °C | Not Available | | Boiling Point | Not Available | Not Available | | Water Solubility | 1000 mg/mL | Not Available | | LogP | Not Available | 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. | 2.02 minutes | 32390414 | | Predicted by Siyang on May 30, 2022 | 8.67 minutes | 33406817 | | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 6.21 minutes | 32390414 | | AjsUoB = Accucore 150 Amide HILIC with 10mM Ammonium Formate, 0.1% Formic Acid | 271.2 seconds | 40023050 | | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 785.2 seconds | 40023050 | | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 336.9 seconds | 40023050 | | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 58.6 seconds | 40023050 | | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 227.2 seconds | 40023050 | | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 65.4 seconds | 40023050 | | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 267.2 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 | 237.1 seconds | 40023050 | | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 752.2 seconds | 40023050 | | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 573.5 seconds | 40023050 | | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 37.0 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 | 719.1 seconds | 40023050 | | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 212.1 seconds | 40023050 | | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 277.5 seconds | 40023050 | | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 619.8 seconds | 40023050 | | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 280.5 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 | 329.9 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatizedDerivatized| Derivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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| 2-Hydroxyethanesulfonate,1TMS,isomer #1 | C[Si](C)(C)OCCS(=O)(=O)O | 1365.9 | Semi standard non polar | 33892256 | | 2-Hydroxyethanesulfonate,1TMS,isomer #2 | C[Si](C)(C)OS(=O)(=O)CCO | 1332.9 | Semi standard non polar | 33892256 | | 2-Hydroxyethanesulfonate,2TMS,isomer #1 | C[Si](C)(C)OCCS(=O)(=O)O[Si](C)(C)C | 1463.7 | Semi standard non polar | 33892256 | | 2-Hydroxyethanesulfonate,2TMS,isomer #1 | C[Si](C)(C)OCCS(=O)(=O)O[Si](C)(C)C | 1366.4 | Standard non polar | 33892256 | | 2-Hydroxyethanesulfonate,2TMS,isomer #1 | C[Si](C)(C)OCCS(=O)(=O)O[Si](C)(C)C | 1729.4 | Standard polar | 33892256 | | 2-Hydroxyethanesulfonate,1TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OCCS(=O)(=O)O | 1628.6 | Semi standard non polar | 33892256 | | 2-Hydroxyethanesulfonate,1TBDMS,isomer #2 | CC(C)(C)[Si](C)(C)OS(=O)(=O)CCO | 1601.0 | Semi standard non polar | 33892256 | | 2-Hydroxyethanesulfonate,2TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OCCS(=O)(=O)O[Si](C)(C)C(C)(C)C | 1895.9 | Semi standard non polar | 33892256 | | 2-Hydroxyethanesulfonate,2TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OCCS(=O)(=O)O[Si](C)(C)C(C)(C)C | 1932.4 | Standard non polar | 33892256 | | 2-Hydroxyethanesulfonate,2TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OCCS(=O)(=O)O[Si](C)(C)C(C)(C)C | 1926.6 | Standard polar | 33892256 |
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| GC-MS Spectra| Spectrum Type | Description | Splash Key | Deposition Date | Source | View |
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| Predicted GC-MS | Predicted GC-MS Spectrum - 2-Hydroxyethanesulfonate GC-MS (Non-derivatized) - 70eV, Positive | splash10-000y-9100000000-91c2f22c70185fb5bafe | 2017-09-01 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - 2-Hydroxyethanesulfonate GC-MS (1 TMS) - 70eV, Positive | splash10-00dj-9300000000-7f0eccc0156cbd7e5b23 | 2017-10-06 | Wishart Lab | View Spectrum | | Predicted GC-MS | Predicted GC-MS Spectrum - 2-Hydroxyethanesulfonate GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-12 | Wishart Lab | View Spectrum |
MS/MS Spectra| Spectrum Type | Description | Splash Key | Deposition Date | Source | View |
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| Experimental LC-MS/MS | LC-MS/MS Spectrum - 2-Hydroxyethanesulfonate LC-ESI-QQ , negative-QTOF | splash10-004i-0900000000-b8df238a554a2725a4d6 | 2017-09-14 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - 2-Hydroxyethanesulfonate LC-ESI-QQ , negative-QTOF | splash10-004i-6900000000-c72536efb4cfd09b2759 | 2017-09-14 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - 2-Hydroxyethanesulfonate LC-ESI-QQ , negative-QTOF | splash10-001i-9000000000-61473ee5b4612e7ca273 | 2017-09-14 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - 2-Hydroxyethanesulfonate LC-ESI-QQ , negative-QTOF | splash10-001i-9000000000-d85e73096201062faad2 | 2017-09-14 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - 2-Hydroxyethanesulfonate LC-ESI-QQ , negative-QTOF | splash10-004i-9000000000-ce44d57a4275daa8f563 | 2017-09-14 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - 2-Hydroxyethanesulfonate 40V, Negative-QTOF | splash10-004i-9000000000-981a5a0ee1738f6dd44b | 2021-09-20 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - 2-Hydroxyethanesulfonate 20V, Negative-QTOF | splash10-0002-9000000000-2bcca3d457e8f9197dda | 2021-09-20 | HMDB team, MONA | View Spectrum | | Experimental LC-MS/MS | LC-MS/MS Spectrum - 2-Hydroxyethanesulfonate 10V, Negative-QTOF | splash10-0002-9300000000-620379edca41de90b8d3 | 2021-09-20 | HMDB team, MONA | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2-Hydroxyethanesulfonate 10V, Positive-QTOF | splash10-056r-0900000000-f83dca3bb4164fb39fc2 | 2015-09-15 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2-Hydroxyethanesulfonate 20V, Positive-QTOF | splash10-054k-8900000000-111dba10014f3cc5c403 | 2015-09-15 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2-Hydroxyethanesulfonate 40V, Positive-QTOF | splash10-056r-9300000000-5cc44eb483ce09d49510 | 2015-09-15 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2-Hydroxyethanesulfonate 10V, Negative-QTOF | splash10-00e9-6900000000-c1573e4b7aa0acf67018 | 2015-09-15 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2-Hydroxyethanesulfonate 20V, Negative-QTOF | splash10-0089-9600000000-894c171421adedc823bb | 2015-09-15 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2-Hydroxyethanesulfonate 40V, Negative-QTOF | splash10-001i-9000000000-b8c542a1a77eb7a6a191 | 2015-09-15 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2-Hydroxyethanesulfonate 10V, Negative-QTOF | splash10-00di-0900000000-6b3e5cddcb84b830073f | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2-Hydroxyethanesulfonate 20V, Negative-QTOF | splash10-001i-9000000000-a6fb8cd4d3dc149be309 | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2-Hydroxyethanesulfonate 40V, Negative-QTOF | splash10-001i-9000000000-d1be4ea1280b92cdc8d6 | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2-Hydroxyethanesulfonate 10V, Positive-QTOF | splash10-0059-5900000000-946a0582ff1c22137b29 | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2-Hydroxyethanesulfonate 20V, Positive-QTOF | splash10-03ea-9200000000-1efad064df378bad76b1 | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 2-Hydroxyethanesulfonate 40V, Positive-QTOF | splash10-03di-9000000000-2c4a3db8921d94d7f526 | 2021-09-24 | Wishart Lab | View Spectrum |
NMR Spectra| Spectrum Type | Description | Deposition Date | Source | View |
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| Predicted 1D NMR | 1H NMR Spectrum (1D, 100 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 100 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 1000 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 1000 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 200 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 200 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 300 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 300 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 400 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 400 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 500 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 500 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 600 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 600 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 700 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 700 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 800 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 800 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 1H NMR Spectrum (1D, 900 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | | Predicted 1D NMR | 13C NMR Spectrum (1D, 900 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum |
IR Spectra| Spectrum Type | Description | Deposition Date | Source | View |
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| Predicted IR Spectrum | IR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M-H]-) | 2023-02-03 | FELIX lab | View Spectrum | | Predicted IR Spectrum | IR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M+H]+) | 2023-02-03 | FELIX lab | View Spectrum | | Predicted IR Spectrum | IR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M+Na]+) | 2023-02-03 | FELIX lab | View Spectrum |
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| General References | - Kersten A, Althaus C, Seitz HM, Pfahl HG, Sundmacher R: [Bilateral microsporidial keratitis in an HIV-positive patient with AIDS stage infection]. Klin Monbl Augenheilkd. 1998 Jun;212(6):476-9. [PubMed:9715470 ]
- Gronwald W, Klein MS, Zeltner R, Schulze BD, Reinhold SW, Deutschmann M, Immervoll AK, Boger CA, Banas B, Eckardt KU, Oefner PJ: Detection of autosomal dominant polycystic kidney disease by NMR spectroscopic fingerprinting of urine. Kidney Int. 2011 Jun;79(11):1244-53. doi: 10.1038/ki.2011.30. Epub 2011 Mar 9. [PubMed:21389975 ]
- READ WO, WELTY JD: Synthesis of taurine and isethionic acid by dog heart slices. J Biol Chem. 1962 May;237:1521-2. [PubMed:14490797 ]
- Sturman JA, Hepner GW, Hofmann AF, Thomas PJ: Metabolism of [35S]taurine in man. J Nutr. 1975 Sep;105(9):1206-14. [PubMed:1159536 ]
- Jacobsen JG, Collins LL, Smith LH Jr: Urinary excretion of isethionic acid in man. Nature. 1967 Jun 17;214(5094):1247-8. [PubMed:6066118 ]
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