1,3-Benzenedicarboxylic acid, dimethyl ester
- Formula: C10H10O4
- Molecular weight: 194.1840
- IUPAC Standard InChIKey: VNGOYPQMJFJDLV-UHFFFAOYSA-N
- CAS Registry Number: 1459-93-4
- 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: Isophthalic acid, dimethyl ester; Dimethyl isophthalate; Dimethyl m-phthalate; Dimethyl 1,3-benzenedicarboxylate; Methyl isophthalate; Methyl 3-(carbomethoxy)benzoate; Dimethylester kyseliny tereftalove; Dimethylester kyseliny isoftalove; Dimethyl benzene-1,3-dicarboxylate; Morflex 1129; Uniplex 270; 1,3-Benzenedicarboxylic acid, 1,3-dimethyl ester; NSC 15313
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Gas phase thermochemistry data
Go To: Top, Gas phase ion energetics data, 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:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | -629.2 ± 2.0 | kJ/mol | Ccb | Roux, Jimenez, et al., 1998 | ALS |
ΔfH°gas | -630.0 | kJ/mol | N/A | Colomina, Laynez, et al., 1972 | Value computed using ΔfHsolid° value of -730.9±1.0 kj/mol from Colomina, Laynez, et al., 1972 and ΔsubH° value of 100.9 kj/mol from Roux, Jimenez, et al., 1998.; DRB |
Gas phase ion energetics data
Go To: Top, Gas phase thermochemistry data, 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 evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias
Data compiled as indicated in comments:
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
B - John E. Bartmess
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Proton affinity (review) | 843.5 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 814.3 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Electron affinity determinations
EA (eV) | Method | Reference | Comment |
---|---|---|---|
0.550032 | ECD | Kuhn, Levins, et al., 1968 | Done at constant temperature, accuracy uncertain: Chen and Wentworth, 1989;; B |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
9.84 ± 0.09 | EI | Kuhn, Levins, et al., 1968 | RDSH |
Gas Chromatography
Go To: Top, Gas phase thermochemistry data, Gas phase ion energetics data, 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
Kovats' RI, non-polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | Ultra-1 | 125. | 1470. | Herrmann, Dufka, et al., 1986 | 25. m/0.20 mm/0.32 μm, N2 |
Capillary | Ultra-1 | 150. | 1479. | Herrmann, Dufka, et al., 1986 | 25. m/0.20 mm/0.32 μm, N2 |
Capillary | Ultra-1 | 175. | 1488. | Herrmann, Dufka, et al., 1986 | 25. m/0.20 mm/0.32 μm, N2 |
Capillary | Ultra-1 | 200. | 1499. | Herrmann, Dufka, et al., 1986 | 25. m/0.20 mm/0.32 μm, N2 |
Capillary | OV-101 | 230. | 1512. | Friocourt, Berthou, et al., 1979 | 50. m/0.3 mm/0.35 μm, N2 |
Packed | OV-1 | 150. | 1478. | Fedoreev and Maksimov, 1977 | Gaschrom; Column length: 1.5 m |
Kovats' RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Packed | SE-30 | 1488. | Ramsey, Lee, et al., 1980 | He, Chromosorb G HP (80-100 mesh); Column length: 1.5 m; Program: not specified |
Van Den Dool and Kratz RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Packed | SE-30 | 1476. | Peng, Ding, et al., 1988 | Supelcoport; Chromosorb; Column length: 3.05 m; Program: 40C(5min) => 10C/min => 200C or 250C (60min) |
Normal alkane RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Ultra-1 | 1457. | Okumura, 1991 | 25. m/0.32 mm/0.25 μm, He, 3. K/min; Tstart: 80. C; Tend: 260. C |
Normal alkane RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Polydimethyl siloxanes | 1479. | Zenkevich, 2003 | Program: not specified |
Other | Methyl Silicone | 1488. | Ardrey and Moffat, 1981 | Program: not specified |
Lee's RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | HP-5 | 256.92 | Pedersen, Durant, et al., 2005 | 30. m/0.25 mm/0.25 μm, Helium, 50. C @ 1.5 min, 6. K/min, 310. C @ 10. min |
References
Go To: Top, Gas phase thermochemistry data, Gas phase ion energetics data, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Roux, Jimenez, et al., 1998
Roux, M.A.; Jimenez, P.; Davalos, J.Z.; Turrion, C.; Afeefy, H.Y.; Liebman, J.F.,
Enthalpies of formation of methyl benzenecarboxylates,
J. Chem. Soc. Faraday Trans., 1998, 94, 887-890. [all data]
Colomina, Laynez, et al., 1972
Colomina, M.; Laynez, J.L.; Perez-Ossorio, R.; Turrion, C.,
Enthalpies of combustion and formation of six methyl esters of benzene carboxylic acids,
J. Chem. Thermodyn., 1972, 4, 499-506. [all data]
Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G.,
Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update,
J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018
. [all data]
Kuhn, Levins, et al., 1968
Kuhn, W.F.; Levins, R.J.; Lilly, A.C., Jr.,
Electron affinities and ionization potentials of phthalate compounds,
J. Chem. Phys., 1968, 49, 5550. [all data]
Chen and Wentworth, 1989
Chen, E.C.M.; Wentworth, W.E.,
Experimental Determination of Electron Affinities of Organic Molecules,
Mol. Cryst. Liq. Cryst., 1989, 171, 271. [all data]
Herrmann, Dufka, et al., 1986
Herrmann, F.; Dufka, O.; Churacek, J.,
Fused-Silica Capillary Gas Chromatography-Mass Spectrometry of Some Dicarboxylic Acids Present in Condensation-Type Polymers I. Dimethyl Esters,
J. Chromatogr., 1986, 360, 79-88, https://doi.org/10.1016/S0021-9673(00)91653-4
. [all data]
Friocourt, Berthou, et al., 1979
Friocourt, M.P.; Berthou, F.; Picart, D.; Dreano, Y.; Floch, H.H.,
Glass Capillary Column Gas Chromatography of Phthalate Esters,
J. Chromatogr., 1979, 172, 1, 261-271, https://doi.org/10.1016/S0021-9673(00)90961-0
. [all data]
Fedoreev and Maksimov, 1977
Fedoreev, S.A.; Maksimov, O.B.,
The study of the composition of aromatic esters by gas-liquid chromatography,
Solid Fuel Chem. (Engl. Transl.), 1977, 17-22. [all data]
Ramsey, Lee, et al., 1980
Ramsey, J.D.; Lee, T.D.; Osselton, M.D.; Moffat, A.C.,
Gas-liquid chromatographic retention indices of 296 non-drug substances on SE-30 or OV-1 likely to be encountered in toxicological analyses,
J. Chromatogr., 1980, 184, 2, 185-206, https://doi.org/10.1016/S0021-9673(00)85641-1
. [all data]
Peng, Ding, et al., 1988
Peng, C.T.; Ding, S.F.; Hua, R.L.; Yang, Z.C.,
Prediction of Retention Indexes I. Structure-Retention Index Relationship on Apolar Columns,
J. Chromatogr., 1988, 436, 137-172, https://doi.org/10.1016/S0021-9673(00)94575-8
. [all data]
Okumura, 1991
Okumura, T.,
retention indices of environmental chemicals on methyl silicone capillary column,
Journal of Environmental Chemistry (Japan), 1991, 1, 2, 333-358, https://doi.org/10.5985/jec.1.333
. [all data]
Zenkevich, 2003
Zenkevich, I.G.,
Criteria for Evaluation of Elution Order of Isomeric Organic Compounds,
Zh. Phys. Khim. (Rus.), 2003, 77, 1, 92-98. [all data]
Ardrey and Moffat, 1981
Ardrey, R.E.; Moffat, A.C.,
Gas-liquid chromatographic retention indices of 1318 substances of toxicological interest on SE-30 or OV-1 stationary phase,
J. Chromatogr., 1981, 220, 3, 195-252, https://doi.org/10.1016/S0021-9673(00)81925-1
. [all data]
Pedersen, Durant, et al., 2005
Pedersen, D.U.; Durant, J.L.; Taghizadeh, K.; Hemond, H.F.; Lafleur, A.L.; Cass, G.R.,
Human cell mutagenes in respirable airborne particles from the Northeastern United States. 2. Quantification of mutagenes and other organic compounds.,
Environ. Sci. Technol., 2005, 39, 24, 9547-9560, https://doi.org/10.1021/es050886c
. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Gas phase ion energetics data, Gas Chromatography, References
- Symbols used in this document:
EA Electron affinity ΔfH°gas Enthalpy of formation of gas at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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