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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Condensed phase thermochemistry data
Go To: Top, 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
DH - Eugene S. Domalski and Elizabeth D. Hearing
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°liquid | -4.72 ± 0.96 | kJ/mol | Ccr | Steele, Chirico, et al., 1994 | see Steele, Chirico, et al., 1990; ALS |
| ΔfH°liquid | -6.49 | kJ/mol | Ccb | Pushin, 1954 | Author's hf298_condensed=-4.0 kcal/mol; ALS |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°liquid | -4036.09 ± 0.88 | kJ/mol | Ccr | Steele, Chirico, et al., 1994 | see Steele, Chirico, et al., 1990; ALS |
| ΔcH°liquid | -4034. | kJ/mol | Ccb | Pushin, 1954 | Author's hf298_condensed=-4.0 kcal/mol; ALS |
| ΔcH°liquid | -4064.0 | kJ/mol | Ccb | Swarts, 1909 | ALS |
Constant pressure heat capacity of liquid
| Cp,liquid (J/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 164.4 | 303.15 | Guseinov, Mirzaliev, et al., 1988 | T = 303 to 463 K. p= 0.1 MPa. Unsmoothed experimental datum. Cp(liq) = 0.8056 + 0.0023634T + (0.0017364 - 8.1591x10-6T)P kJ/kg*K (303.15 to 523.15 K, 0.1 to 25 MPa).; DH |
| 209.6 | 302.5 | de Kolossowsky and Udowenko, 1934 | DH |
| 209.6 | 302.5 | Kolosovskii and Udovenko, 1934 | DH |
| 201.7 | 288. | Radulescu and Jula, 1934 | DH |
| 211.3 | 298. | von Reis, 1881 | T = 294 to 485 K.; DH |
References
Go To: Top, Condensed phase thermochemistry data, 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., 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]
Pushin, 1954
Pushin, N.A.,
Heats of combustion and heats of formation of isomeric organic compounds,
Bull. Soc. Chim. Belgrade, 1954, 19, 531-547. [all data]
Swarts, 1909
Swarts, M.F.,
Sur la chaleur de formation de l'aniline et de quelquesuns de ses derives,
Recl. Trav. Chim. Pays-Bas, 1909, 28, 155-165. [all data]
Guseinov, Mirzaliev, et al., 1988
Guseinov, S.O.; Mirzaliev, A.A.; Shakhmuradov, Sh.G.,
Investigation of the isobaric heat capacity of meta- and ortho-toluidine over a wide interval ov varying temperature and pressure, Iaz. Vyssh. Ucheb. Zaved.,
Neft i Gaz 31(9), 1988, 13, 35. [all data]
de Kolossowsky and Udowenko, 1934
de Kolossowsky, N.; Udowenko, W.W.,
Determination des chaleurs specifiques des liquides,
Compt. rend., 1934, 198, 1394-1395. [all data]
Kolosovskii and Udovenko, 1934
Kolosovskii, N.A.; Udovenko, W.W.,
Specific heat of liquids. II.,
Zhur. Obshchei Khim., 1934, 4, 1027-1033. [all data]
Radulescu and Jula, 1934
Radulescu, D.; Jula, O.,
Beiträge zur Bestimmung der Abstufung der Polarität des Aminstickstoffes in den organischen Verbindungen,
Z. Phys. Chem., 1934, B26, 390-393. [all data]
von Reis, 1881
von Reis, M.A.,
Die specifische Wärme flüssiger organischer Verbindungen und ihre Beziehung zu deren Moleculargewicht,
Ann. Physik [3], 1881, 13, 447-464. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, References
- Symbols used in this document:
Cp,liquid Constant pressure heat capacity of liquid ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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