o-Toluidine
- Formula: C7H9N
- Molecular weight: 107.1531
- IUPAC Standard InChI: InChI=1S/C7H9N/c1-6-4-2-3-5-7(6)8/h2-5H,8H2,1H3
- IUPAC Standard InChIKey: RNVCVTLRINQCPJ-UHFFFAOYSA-N
- CAS Registry Number: 95-53-4
- 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: Benzenamine, 2-methyl-; o-Aminotoluene; o-Methylaniline; o-Methylbenzenamine; o-Tolylamine; 1-Amino-2-methylbenzene; 2-Aminotoluene; 2-Methyl-1-aminobenzene; 2-Methylaniline; 2-Methylbenzenamine; 2-Toluidine; 2-Amino-1-methylbenzene; 1-Methyl-2-aminobenzene; o-Toluide; o-Toluidin; o-Toluidyna; Aniline, 2-methyl-; C.I. 37077; Rcra waste number U328; NSC 15348
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Enthalpy of vaporization at standard conditions (nominally 298.15 K, 1 atm.)
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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:
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
| ΔvapH° (kcal/mol) | Method | Reference | Comment |
|---|---|---|---|
| 13.7 ± 0.05 | GS | Emel'yanenk and Verevkin, 2005 | Based on data from 282. to 313. K.; AC |
| 13.8 ± 0.057 | V | Steele, Chirico, et al., 1994 | see Steele, Chirico, et al., 1990; ALS |
| 13.8 | N/A | Steele, Chirico, et al., 1994 | DRB |
| 15.0 ± 0.1 | N/A | Chao, Gadalla, et al., 1990 | See also Emel'yanenk and Verevkin, 2005.; AC |
| 10.54 | C | Glaser and Ruland, 1957 | ALS |
| 15.1 | N/A | Glaser and Rüland, 1957 | Based on data from 473. to 690. K. See also Emel'yanenk and Verevkin, 2005.; AC |
| 13.4 | EB | Berliner and May, 1927 | Based on data from 313. to 473. K. See also Emel'yanenk and Verevkin, 2005.; AC |
References
Go To: Top, Enthalpy of vaporization at standard conditions (nominally 298.15 K, 1 atm.), Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Emel'yanenk and Verevkin, 2005
Emel'yanenk, Vladimir N.; Verevkin, Sergey P.,
Enthalpies of Formation and Substituent Effects of o rtho -, m eta- , and p ara -Aminotoluenes from Thermochemical Measurements and from Ab Initio Calculations,
J. Phys. Chem. A, 2005, 109, 17, 3960-3966, https://doi.org/10.1021/jp045450i
. [all data]
Steele, Chirico, et al., 1994
Steele, W.V.; Chirico, R.D.; Nguyen, A.; Knipmeyer, S.E.,
The thermodynamic properties of 2-methylaniline and trans-(r,S)-decahydroquinoline,
J. Chem. Thermodyn., 1994, 26, 515-544. [all data]
Steele, Chirico, et al., 1990
Steele, W.V.; Chirico, R.D.; Nguyen, A.; Knipmeyer, S.E.,
The thermodynamic properties of 2-methylaniline and trans-(R,S)-decahydroquinoline,
Topical Rept., work performed under cooperative agreement No. FC22-83FE60149, Bartlesville,OK, (NIPER-459), 1990, 1-52. [all data]
Chao, Gadalla, et al., 1990
Chao, J.; Gadalla, N.A.M.; Gammon, B.E.; Marsh, K.N.; Rodgers, A.S.; Somayajulu, G.R.; Wilhoit, R.C.,
Thermodynamic and Thermophysical Properties of Organic Nitrogen Compounds. Part I. Methanamine, Ethanamine, 1- and 2-Propanamine, Benzenamine, 2-, 3-, and 4-Methylbenzenamine,
J. Phys. Chem. Ref. Data, 1990, 19, 6, 1547, https://doi.org/10.1063/1.555849
. [all data]
Glaser and Ruland, 1957
Glaser, F.; Ruland, H.,
Untersuchungsen über dampfdruckkurven und kritische daten einiger technisch wichtiger organischer substanzen,
Chem. Ing. Techn., 1957, 29, 772. [all data]
Glaser and Rüland, 1957
Glaser, Fritz; Rüland, Heinz,
Untersuchungen über Dampfdruckkurven und kritische Daten einiger technisch wichtiger organischer Substanzen,
Chemie Ing. Techn., 1957, 29, 12, 772-775, https://doi.org/10.1002/cite.330291204
. [all data]
Berliner and May, 1927
Berliner, J.F.T.; May, Orville E.,
STUDIES IN VAPOR PRESSURE. III. THE TOLUIDINES,
J. Am. Chem. Soc., 1927, 49, 4, 1007-1011, https://doi.org/10.1021/ja01403a017
. [all data]
Notes
Go To: Top, Enthalpy of vaporization at standard conditions (nominally 298.15 K, 1 atm.), References
- Symbols used in this document:
ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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