Acetic acid, hydroxy-, methyl ester
- Formula: C3H6O3
- Molecular weight: 90.0779
- IUPAC Standard InChIKey: GSJFXBNYJCXDGI-UHFFFAOYSA-N
- CAS Registry Number: 96-35-5
- 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: Glycolic acid, methyl ester; Methyl glycolate; Methyl hydroxyacetate; Methyl ester of hydroxyacetic acid
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Gas phase thermochemistry data
Go To: Top, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, Mass spectrum (electron ionization), Gas Chromatography, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | -556.9 ± 6.4 | kJ/mol | Ccr | Steele, Chirico, et al., 1996 |
Condensed phase thermochemistry 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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°liquid | -609.41 ± 0.94 | kJ/mol | Ccr | Steele, Chirico, et al., 1996 | |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°liquid | -1428.61 ± 0.94 | kJ/mol | Ccr | Steele, Chirico, et al., 1996 | Corresponding ΔfHºliquid = -609.41 kJ/mol (simple calculation by NIST; no Washburn corrections) |
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
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
AC - William E. Acree, Jr., James S. Chickos
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 423.2 | K | N/A | Aldrich Chemical Company Inc., 1990 | BS |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 52.5 ± 6.3 | kJ/mol | V | Steele, Chirico, et al., 1996 | ALS |
ΔvapH° | 52.5 | kJ/mol | N/A | Steele, Chirico, et al., 1996 | DRB |
ΔvapH° | 52.5 ± 6.3 | kJ/mol | EB | Steele, Chirico, et al., 1996 | Based on data from 326. to 381. K.; AC |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
47.4 | 297. | A | Stephenson and Malanowski, 1987 | Based on data from 282. to 425. K. See also Ketelaar, van Velden, et al., 2010.; AC |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (bar)
T = temperature (K)
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Temperature (K) | A | B | C | Reference | Comment |
---|---|---|---|---|---|
282.8 to 424.7 | 4.9964 | 1942.427 | -35.915 | Stull, 1947 | Coefficents calculated by NIST from author's data. |
Enthalpy of fusion
ΔfusH (kJ/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
11.4 | 272.8 | Jarmelo, Maria, et al., 2000 | AC |
Gas phase ion energetics data
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), Gas Chromatography, References, Notes
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:
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
LL - Sharon G. Lias and Joel F. Liebman
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
10.42 ± 0.05 | EI | Burgers, Holmes, et al., 1987 | LBLHLM |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
CH3O+ | 10.82 ± 0.05 | C2H3O2 | EI | Suh, Kingsmill, et al., 1995 | Unpublished result of F.P.Lossing; LL |
CH5O+[CH3OH2+] | 11.5 ± 0.1 | CO+CHO | EI | Burgers, Holmes, et al., 1987 | LBLHLM |
C2H3O2+ | 11.38 ± 0.05 | CH2OH | EI | Blanchette, Holmes, et al., 1986 | LBLHLM |
C2H3O3+ | 10.50 | CH3 | EI | Burgers, Holmes, et al., 1987 | LBLHLM |
C2H5O2+ | 10.74 ± 0.05 | CHO | EI | Suh, Kingsmill, et al., 1995 | Unpublished result of F.P.Lossing; LL |
C2H6O2+[CH3O··H··O=CH2+] | 10.9 ± 0.2 | CO | EI | Burgers, Holmes, et al., 1987 | LBLHLM |
Mass spectrum (electron ionization)
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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 by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Spectrum
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Additional Data
View image of digitized spectrum (can be printed in landscape orientation).
Due to licensing restrictions, this spectrum cannot be downloaded.
Owner | NIST Mass Spectrometry Data Center Collection (C) 2014 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
---|---|
Origin | Japan AIST/NIMC Database- Spectrum MS-IW-3840 |
NIST MS number | 236489 |
Gas Chromatography
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, Mass spectrum (electron ionization), References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Normal alkane RI, polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | HP-Wax | 1403. | Sanz, Maeztu, et al., 2002 | 60. m/0.25 mm/0.5 μm, He, 40. C @ 6. min, 3. K/min; Tend: 190. C |
Capillary | HP-Wax | 1403. | Sanz, Ansorena, et al., 2001 | 60. m/0.25 mm/0.5 μm, He, 40. C @ 6. min, 3. K/min; Tend: 190. C |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, Mass spectrum (electron ionization), Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Steele, Chirico, et al., 1996
Steele, W.V.; Chirico, R.D.; Knipmeyer, S.E.; Nguyen, A.; Smith, N.K.,
Thermodynamic properties and ideal-gas enthalpies of formation for butyl vinyl ether, 1,2-dimethoxyethane, methyl glycolate, bicyclo[2.2.1]hept-2-ene, 5-vinylbicyclo[2.2.1]hept-2-ene, trans-azobenzene, butyl acrylate, di-tert-butyl ether, and hexane-1,6-diol,
J. Chem. Eng. Data, 1996, 41, 1285-1302. [all data]
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]
Ketelaar, van Velden, et al., 2010
Ketelaar, J.A.A.; van Velden, P.F.; Zalm, P.,
Vapour pressures and heats of vaporization of cis- and trans-1,2-dichloroethene,
Recl. Trav. Chim. Pays-Bas, 2010, 66, 12, 721-732, https://doi.org/10.1002/recl.19470661202
. [all data]
Stull, 1947
Stull, Daniel R.,
Vapor Pressure of Pure Substances. Organic and Inorganic Compounds,
Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022
. [all data]
Jarmelo, Maria, et al., 2000
Jarmelo, Susana; Maria, Teresa M.R.; Leitão, Luísa P.; Fausto, Rui,
Structural and vibrational characterization of methyl glycolate in the low temperature crystalline and glassy states,
Phys. Chem. Chem. Phys., 2000, 2, 6, 1155-1163, https://doi.org/10.1039/a909291i
. [all data]
Burgers, Holmes, et al., 1987
Burgers, P.C.; Holmes, J.L.; Hop, C.E.C.A.; Postma, R.; Ruttink, P.J.A.; Terlouw, J.K.,
The isomeric [C2H6O2]+ hydrogen-bridged radical cations [CH2-O(H)...H...O=CH2]+, [CH3-O...H...O=CH2]+, and [CH3-O(H)...H...O=CH]+: Theory and experiment,
J. Am. Chem. Soc., 1987, 109, 7315. [all data]
Suh, Kingsmill, et al., 1995
Suh, D.; Kingsmill, C.A.; Ruttink, P.J.A.; Burgers, P.C.; Terlouw, J.K.,
C-H...O and O...H...O bonded intermediates in the dissociation of low energy methyl glycolate radical cations,
Int. J. Mass Spectrom. Ion Processes, 1995, 146/147, 305. [all data]
Blanchette, Holmes, et al., 1986
Blanchette, M.C.; Holmes, J.L.; Hop, C.E.C.A.; Lossing, F.P.; Postma, R.; Ruttink, P.J.A.; Terlouw, J.K.,
Theory and experiment in concert; the CH3O-C=O+ ion and its isomers,
J. Am. Chem. Soc., 1986, 108, 7589. [all data]
Sanz, Maeztu, et al., 2002
Sanz, C.; Maeztu, L.; Zapelena, M.J.; Bello, J.; Cid, C.,
Profiles of volatile compounds and sensory analysis of three blends of coffee: influence of different proportions of Arabica and Robusta and influence of roasting coffee with sugar,
J. Sci. Food Agric., 2002, 82, 8, 840-847, https://doi.org/10.1002/jsfa.1110
. [all data]
Sanz, Ansorena, et al., 2001
Sanz, C.; Ansorena, D.; Bello, J.; Cid, C.,
Optimizing headspace temperature and time sampling for identification of volatile compounds in ground roasted Arabica coffee,
J. Agric. Food Chem., 2001, 49, 3, 1364-1369, https://doi.org/10.1021/jf001100r
. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, Mass spectrum (electron ionization), Gas Chromatography, References
- Symbols used in this document:
AE Appearance energy Tboil Boiling point ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions ΔfusH Enthalpy of fusion ΔvapH Enthalpy of vaporization ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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