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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Phase change data
Go To: Top, 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 as indicated in comments:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 555.2 | K | N/A | Weast and Grasselli, 1989 | BS |
Tboil | 555. | K | N/A | Buckingham and Donaghy, 1982 | BS |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 340.9 to 341.4 | K | N/A | Buckingham and Donaghy, 1982 | BS |
Tfus | 340.7 | K | N/A | Dozen, Fujishima, et al., 1978 | Uncertainty assigned by TRC = 0.2 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Ttriple | 341.5 | K | N/A | Steele, Chirico, et al., 1997 | Uncertainty assigned by TRC = 0.3 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tc | 766. | K | N/A | Steele, Chirico, et al., 1997 | Uncertainty assigned by TRC = 6. K; derived from fit of obs. vapor pressure; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Pc | 26.15 | atm | N/A | Steele, Chirico, et al., 1997 | Uncertainty assigned by TRC = 1.97 atm; derived from fit of obs. vapor pressure; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ρc | 1.761 | mol/l | N/A | Steele, Chirico, et al., 1997 | Uncertainty assigned by TRC = 0.13 mol/l; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 18.5 ± 0.2 | kcal/mol | EB,IP | Steele, Chirico, et al., 1997, 2 | Based on data from 350. to 607. K.; AC |
Quantity | Value | Units | Method | Reference | Comment |
ΔsubH° | 24.07 | kcal/mol | C | Maksimuk, Kabo, et al., 1998 | AC |
ΔsubH° | 24.12 ± 0.05 | kcal/mol | C | Roux, Jimenez, et al., 1998 | ALS |
ΔsubH° | 24.12 | kcal/mol | N/A | Roux, Jimenez, et al., 1998 | DRB |
ΔsubH° | 24.12 ± 0.05 | kcal/mol | N/A | Victoria Roux, Jime´nez, et al., 1998 | AC |
Reduced pressure boiling point
Tboil (K) | Pressure (atm) | Reference | Comment |
---|---|---|---|
397.2 | 0.016 | Weast and Grasselli, 1989 | BS |
397. | 0.016 | Buckingham and Donaghy, 1982 | BS |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
14.5 | 408. | A,GS | Stephenson and Malanowski, 1987 | Based on data from 393. to 550. K. See also Voitkevich, 1963.; AC |
Enthalpy of sublimation
ΔsubH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
24.07 ± 0.05 | 302. | ME | Victoria Roux, Jime´nez, et al., 1998 | Based on data from 295. to 309. K.; AC |
Enthalpy of fusion
ΔfusH (kcal/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
6.05 | 341.2 | Acree, 1993 | AC |
Gas phase ion energetics data
Go To: Top, Phase change data, 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) | 201.6 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 194.6 | kcal/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 |
References
Go To: Top, Phase change data, Gas phase ion energetics data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [all data]
Buckingham and Donaghy, 1982
Buckingham, J.; Donaghy, S.M.,
Dictionary of Organic Compounds: Fifth Edition, Chapman and Hall, New York, 1982, 1. [all data]
Dozen, Fujishima, et al., 1978
Dozen, Y.; Fujishima, S.; Shingu, H.,
Structures and fusion parameters of methoxycarbonyl-benzenes and -naphthalenes,
Thermochim. Acta, 1978, 25, 2, 209, https://doi.org/10.1016/0040-6031(78)85008-4
. [all data]
Steele, Chirico, et al., 1997
Steele, W.V.; Chirico, R.D.; Knipmeyer, S.E.; Nguyen, A.,
Vapor Pressure, Heat Capacity, and Density along the Saturated Line, Measurements for Dimethyl Isophthalate, Dimethyl Carbonate, 1,3,5-Trimethyl benzene, Pentafluorophenol, 4-tert-Butylcatechol, .alp,
J. Chem. Eng. Data, 1997, 42, 1008-20. [all data]
Steele, Chirico, et al., 1997, 2
Steele, W.V.; Chirico, R.D.; Knipmeyer, S.E.; Nguyen, A.,
Vapor Pressure, Heat Capacity, and Density along the Saturation Line, Measurements for Dimethyl Isophthalate, Dimethyl Carbonate, 1,3,5-Triethylbenzene, Pentafluorophenol, 4- tert -Butylcatechol, α-Methylstyrene, and N , N '-Bis(2-hydroxyethyl)ethylenediamine,
J. Chem. Eng. Data, 1997, 42, 6, 1008-1020, https://doi.org/10.1021/je970102d
. [all data]
Maksimuk, Kabo, et al., 1998
Maksimuk, Yury V.; Kabo, Gennady J.; Simirsky, Vladimir V.; Kozyro, Alexander A.; Sevruk, Victor M.,
Standard Enthalpies of Formation of Some Methyl Esters of Benzene Carboxylic Acids,
J. Chem. Eng. Data, 1998, 43, 3, 293-298, https://doi.org/10.1021/je970116j
. [all data]
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]
Victoria Roux, Jime´nez, et al., 1998
Victoria Roux, María; Jime´nez, Pilar; Dávalos, Juan Z.; Turrión, Concepción; Afeefy, Hussein Y.; Liebman, Joel F.,
Enthalpies of formation of methyl benzenecarboxylates,
Faraday Trans., 1998, 94, 7, 887-890, https://doi.org/10.1039/a800401c
. [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]
Voitkevich, 1963
Voitkevich, S.A.,
Tr. Vses. Nauchn.-Issled. Inst. Sintetich. i Natural'n Dushistykh Veshchestv., 1963, 91. [all data]
Acree, 1993
Acree, William E.,
Thermodynamic properties of organic compounds,
Thermochimica Acta, 1993, 219, 97-104, https://doi.org/10.1016/0040-6031(93)80486-T
. [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]
Notes
Go To: Top, Phase change data, Gas phase ion energetics data, References
- Symbols used in this document:
EA Electron affinity Pc Critical pressure Tboil Boiling point Tc Critical temperature Tfus Fusion (melting) point Ttriple Triple point temperature ΔfusH Enthalpy of fusion ΔsubH Enthalpy of sublimation ΔsubH° Enthalpy of sublimation at standard conditions ΔvapH Enthalpy of vaporization ΔvapH° Enthalpy of vaporization at standard conditions ρc Critical density - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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