Acetic acid, mercapto-
- Formula: C2H4O2S
- Molecular weight: 92.117
- IUPAC Standard InChI: InChI=1S/C2H4O2S/c3-2(4)1-5/h5H,1H2,(H,3,4)
- IUPAC Standard InChIKey: CWERGRDVMFNCDR-UHFFFAOYSA-N
- CAS Registry Number: 68-11-1
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: α-Mercaptoacetic acid; Glycolic acid, 2-thio-; Mercaptoacetic acid; Thioglycolic acid; Thiovanic acid; 2-Mercaptoacetic acid; 2-Thioglycolic acid; Thioglycollic acid; Acide thioglycolique; Glycolic acid, thio-; USAF CB-35; Kyselina merkaptooctova; Kyselina thioglykolova; UN 1940; Acetic acid, 2-mercapto-; NSC 1894
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Phase change data
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled as indicated in comments:
BS - Robert L. Brown and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
Reduced pressure boiling point
| Tboil (K) | Pressure (bar) | Reference | Comment |
|---|---|---|---|
| 369.2 | 0.007 | Aldrich Chemical Company Inc., 1990 | BS |
Enthalpy of vaporization
| ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 56.8 | 348. | A | Stephenson and Malanowski, 1987 | Based on data from 333. to 427. K. See also Dykyj, Svoboda, et al., 1999.; AC |
References
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc.,
Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 1. [all data]
Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw,
Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2
. [all data]
Dykyj, Svoboda, et al., 1999
Dykyj, J.; Svoboda, J.; Wilhoit, R.C.; Frenkel, M.L.; Hall, K.R.,
Vapor Pressure of Chemicals: Part A. Vapor Pressure and Antoine Constants for Hydrocarbons and Sulfur, Selenium, Tellurium and Hydrogen Containing Organic Compounds, Springer, Berlin, 1999, 373. [all data]
Notes
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- Symbols used in this document:
Tboil Boiling point ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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