o-Nitroaniline
- Formula: C6H6N2O2
- Molecular weight: 138.1240
- IUPAC Standard InChI: InChI=1S/C6H6N2O2/c7-5-3-1-2-4-6(5)8(9)10/h1-4H,7H2
- IUPAC Standard InChIKey: DPJCXCZTLWNFOH-UHFFFAOYSA-N
- CAS Registry Number: 88-74-4
- 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-nitro-; Aniline, o-nitro-; o-Aminonitrobenzene; Azoene Fast Orange GR Base; Azoene Fast Orange GR Salt; Azofix Orange GR Salt; Azogene Fast Orange GR; Brentamine Fast Orange GR Base; Brentamine Fast Orange GR Salt; C.I. Azoic Diazo Component 6; C.I. 37025; Devol Orange B; Devol Orange Salt B; Diazo Fast Orange GR; Fast Orange Base JR; Fast Orange GR Base; Fast Orange GR Salt; Fast Orange O Base; Fast Orange O Salt; Fast Orange Salt JR; Hiltonil Fast Orange GR Base; Hiltosal Fast Orange GR Salt; Hindasol Orange GR Salt; Natasol Fast Orange GR Salt; Orange Base Ciba II; Orange Base Irga II; Orange GRS Salt; Orange Salt Ciba II; Orange Salt Irga II; ONA; 1-Amino-2-Nitrobenzene; 2-Aminonitrobenzene; 2-Nitroaniline; 2-Nitrobenzenamine; 2-Nitro-benzeneamine; o-Nitraniline; Azoic Diazo Component 6; Fast Orange Base GR; Fast Orange Salt GR; Orthonitroaniline; 1-Nitro-2-aminobenzene; o-Nitranilin; NSC 9796
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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°solid | -26. ± 0.4 | kJ/mol | Ccb | Lebedeva, Gutner, et al., 1971 | Hfusion=4.0±0.2, see Lebedeva, Rjadnenko, et al., 1969; ALS |
| ΔfH°solid | -26.3 | kJ/mol | Ccb | Medard and Thomas, 1957 | Heat of combustion corrected for pressure; ALS |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°solid | -3192. ± 0.4 | kJ/mol | Ccb | Lebedeva, Gutner, et al., 1971 | Hfusion=4.0±0.2, see Lebedeva, Rjadnenko, et al., 1969; ALS |
| ΔcH°solid | -3192.3 | kJ/mol | Ccb | Medard and Thomas, 1957 | Heat of combustion corrected for pressure; ALS |
Constant pressure heat capacity of solid
| Cp,solid (J/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 164.4 | 298. | Andrews, Lynn, et al., 1926 | T = 22 to 150°C.; DH |
| 168.2 | 297.9 | Andrews, 1926 | T = 110 to 332 K. Value is unsmoothed experimental datum.; 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.
Lebedeva, Gutner, et al., 1971
Lebedeva, N.D.; Gutner, N.M.; Ryadnenko, V.L.,
Heats of combustion and formation of certain aromatic amino-derivatives,
Russ. J. Phys. Chem. (Engl. Transl.), 1971, 45, 561-562. [all data]
Lebedeva, Rjadnenko, et al., 1969
Lebedeva, N.D.; Rjadnenko, B.L.; Gutner, N.M.,
Heats of formation of some N-containing organic compounds,
Int. Conf. Calorim. Therm. (Warsaw, Poland), 1969, 1-8. [all data]
Medard and Thomas, 1957
Medard, L.; Thomas, M.,
Chaleur de combustion de onze substances explosives ou apparentees a des explosifs,
Mem. Poudres, 1957, 39, 195-208. [all data]
Andrews, Lynn, et al., 1926
Andrews, D.H.; Lynn, G.; Johnston, J.,
The heat capacities and heat of crystallization of some isomeric aromatic compounds,
J. Am. Chem. Soc., 1926, 48, 1274-1287. [all data]
Andrews, 1926
Andrews, D.H.,
The specific heats of some isomers of the type ortho, meta and para C6H4XY from 110 to 340K,
J. Am. Chem. Soc., 1926, 48, 1287-1298. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, References
- Symbols used in this document:
Cp,solid Constant pressure heat capacity of solid ΔcH°solid Enthalpy of combustion of solid at standard conditions ΔfH°solid Enthalpy of formation of solid at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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