Dimethyl phthalate
- Formula: C10H10O4
- Molecular weight: 194.1840
- IUPAC Standard InChIKey: NIQCNGHVCWTJSM-UHFFFAOYSA-N
- CAS Registry Number: 131-11-3
- 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: 1,2-Benzenedicarboxylic acid, dimethyl ester; Phthalic acid, dimethyl ester; Avolin; Dimethyl 1,2-benzenedicarboxylate; DMF, Insect repellent; DMP; Fermine; Mipax; NTM; Palatinol M; Solvanom; Solvarone; Unimoll DM; Dimethyl benzeneorthodicarboxylate; Dimethyl orthophthalate; Dimethyl benzene-o-dicarboxylate; Dimethyl o-phthalate; ENT 262; Phthalsaeuredimethylester; Dimethyl 1,2-benzendicarboxylate; Kemester DMP; Kodaflex DMP; Repeftal; Uniplex 110; 1,2-dimethyl phthalate; 1,2-Benzenedicarboxylic acid, 1,2-dimethyl ester; NSC 15398; 64441-70-9
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Phase change data
Go To: Top, Gas phase ion energetics data, IR Spectrum, 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
DRB - Donald R. Burgess, Jr.
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 555.2 | K | N/A | Aldrich Chemical Company Inc., 1990 | BS |
Tboil | 555.5 | K | N/A | Buckingham and Donaghy, 1982 | BS |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 273. | K | N/A | Buckingham and Donaghy, 1982 | BS |
Tfus | 273.2 | K | N/A | Dozen, Fujishima, et al., 1978 | Uncertainty assigned by TRC = 0.2 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Ttriple | 274.18 | K | N/A | Martynenko, Rabinovich, et al., 1970 | Uncertainty assigned by TRC = 0.02 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔsubH° | 77.7 | kJ/mol | N/A | Roux, Jimenez, et al., 1998 | DRB |
Reduced pressure boiling point
Tboil (K) | Pressure (bar) | Reference | Comment |
---|---|---|---|
389. to 389.6 | 0.003 | Buckingham and Donaghy, 1982 | BS |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
61.5 | 481. | EB | Rohác, Musgrove, et al., 1999 | Based on data from 466. to 518. K.; AC |
69.4 ± 0.1 | 365. | C | Maksimuk, Kabo, et al., 1998 | AC |
72.5 ± 0.6 | 344. | C | Maksimuk, Kabo, et al., 1998 | AC |
74.5 ± 0.3 | 326. | C | Maksimuk, Kabo, et al., 1998 | AC |
78.7 | 319. | A | Stephenson and Malanowski, 1987 | Based on data from 304. to 371. K.; AC |
63.7 | 386. | A | Stephenson and Malanowski, 1987 | Based on data from 371. to 547. K.; AC |
68.6 | 409. | N/A | Davydova, Makolkin, et al., 1969 | Based on data from 377. to 440. K.; AC |
Enthalpy of fusion
ΔfusH (kJ/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
16.945 | 274.18 | Martynenko, Rabinovich, et al., 1970, 2 | DH |
16.95 | 274.2 | Maksimuk, Kabo, et al., 1998 | AC |
16.95 | 274.2 | Acree, 1993 | AC |
Entropy of fusion
ΔfusS (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
61.8 | 274.18 | Martynenko, Rabinovich, et al., 1970, 2 | DH |
Gas phase ion energetics data
Go To: Top, Phase change data, IR Spectrum, 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:
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
B - John E. Bartmess
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 |
---|---|---|---|
9.64 ± 0.07 | EI | Kuhn, Levins, et al., 1968 | RDSH |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
C6H4+ | 14.7 ± 0.2 | ? | EI | Grutzmacher and Lohmann, 1967 | RDSH |
IR Spectrum
Go To: Top, Phase change data, Gas phase ion energetics data, References, Notes
Data compiled by: Coblentz Society, Inc.
- Not specified, most likely a prism, grating, or hybrid spectrometer.; (NO SPECTRUM, ONLY SCANNED IMAGE IS AVAILABLE)
- SOLUTION (10% IN CCl4 FOR 3800-1300, 10% IN CS2 FOR 1300-620, 10% IN CCl4 FOR 620-240 CM-1) VERSUS SOLVENT; PERKIN-ELMER 521 (GRATING); DIGITIZED BY NIST FROM HARD COPY (FROM TWO SEGMENTS); 4 cm-1 resolution
Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
References
Go To: Top, Phase change data, Gas phase ion energetics data, IR Spectrum, Notes
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]
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]
Martynenko, Rabinovich, et al., 1970
Martynenko, L.Ya.; Rabinovich, I.B.; Ovchinnikov, Yu.V.; Maslova, V.A.,
Heat capacity of the systems polyvinyl chloride-dioctylphthalate and polyvinyl chloride-dibutylphthalate,
Polym. Sci. USSR (Engl. Transl.), 1970, 12, 952. [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]
Rohác, Musgrove, et al., 1999
Rohác, Vladislav; Musgrove, Jana E.; Ruzicka, Kvetoslav; Ruzicka, Vlastimil; Zábranský, Milan; Aim, Karel,
Thermodynamic properties of dimethyl phthalate along the (vapour + liquid) saturation curve,
The Journal of Chemical Thermodynamics, 1999, 31, 8, 971-986, https://doi.org/10.1006/jcht.1999.0494
. [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]
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]
Davydova, Makolkin, et al., 1969
Davydova, Zh.V.; Makolkin, I.A.; Bataev, P.S.,
Zh. Obshch. Khim., 1969, 39, 8, 1668. [all data]
Martynenko, Rabinovich, et al., 1970, 2
Martynenko, L.Ya.; Rabinovich, I.B.; Ovchinnikov, Yu.V.; Maslova, V.A.,
Heat capacity of the systems polyvinyl chloride-dioctylphthalate and polyvinyl chloride-dibutylphthalate,
Polymer Sci., 1970, USSR 12A, 952-961. [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]
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]
Grutzmacher and Lohmann, 1967
Grutzmacher, H.-F.; Lohmann, J.,
Massenspektrometrie instabiler organischer Molekule. I. Ionisations-potential und Bildungsenthalpie von Dehydrobenzol,
Ann. Chem., 1967, 705, 81. [all data]
Notes
Go To: Top, Phase change data, Gas phase ion energetics data, IR Spectrum, References
- Symbols used in this document:
AE Appearance energy EA Electron affinity Tboil Boiling point Tfus Fusion (melting) point Ttriple Triple point temperature ΔfusH Enthalpy of fusion ΔfusS Entropy of fusion ΔsubH° Enthalpy of sublimation at standard conditions ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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