Benzene, 1-methyl-2-nitro-
- Formula: C7H7NO2
- Molecular weight: 137.1360
- IUPAC Standard InChIKey: PLAZTCDQAHEYBI-UHFFFAOYSA-N
- CAS Registry Number: 88-72-2
- 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: Toluene, o-nitro-; o-Methylnitrobenzene; o-Nitrotoluene; ONT; 1-Methyl-2-Nitrobenzene; 2-Methyl-1-nitrobenzene; 2-Methylnitrobenzene; 2-Nitrotoluene; NSC 9577
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Phase change data
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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:
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
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 496. ± 3. | K | AVG | N/A | Average of 7 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 271. ± 10. | K | AVG | N/A | Average of 6 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 59.6 ± 1.6 | kJ/mol | GS | Widegren and Bruno, 2010 | Based on data from 283. to 313. K.; AC |
ΔvapH° | 59.1 ± 0.3 | kJ/mol | N/A | Verevkin and Heintz, 2000 | AC |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
59.0 ± 0.3 | 299. | GS | Verevkin and Heintz, 2000 | Based on data from 274. to 323. K.; AC |
52.0 | 403. | EB | Aim, 1994 | Based on data from 388. to 448. K.; AC |
51.0 | 417. | A | Stephenson and Malanowski, 1987 | Based on data from 402. to 496. K.; AC |
52.2 | 402. | N/A | Levin and Shtern, 1938 | Based on data from 387. to 493. K. See also Aim, 1994.; AC |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (bar)
T = temperature (K)
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Temperature (K) | A | B | C | Reference | Comment |
---|---|---|---|---|---|
402.46 to 495.30 | 3.29307 | 1130.679 | -151.524 | Dreisbach and Shrader, 1949 | Coefficents calculated by NIST from author's data. |
References
Go To: Top, Phase change data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Widegren and Bruno, 2010
Widegren, Jason A.; Bruno, Thomas J.,
Gas Saturation Vapor Pressure Measurements of Mononitrotoluene Isomers from (283.15 to 313.15) K «8224»,
J. Chem. Eng. Data, 2010, 55, 1, 159-164, https://doi.org/10.1021/je900293j
. [all data]
Verevkin and Heintz, 2000
Verevkin, Sergey P.; Heintz, Andreas,
Thermochemistry of substituted benzenes: quantification of ortho-, para-, meta-, and buttress interactions in alkyl-substituted nitrobenzenes,
The Journal of Chemical Thermodynamics, 2000, 32, 9, 1169-1182, https://doi.org/10.1006/jcht.2000.0589
. [all data]
Aim, 1994
Aim, Karel,
Saturated Vapor Pressure Measurements on Isomeric Mononitrotoluenes at Temperatures between 380 and 460 K,
J. Chem. Eng. Data, 1994, 39, 3, 591-594, https://doi.org/10.1021/je00015a044
. [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]
Levin and Shtern, 1938
Levin, E.; Shtern, I.,
Educ. Psychol. Meas., 1938, 11, 426. [all data]
Dreisbach and Shrader, 1949
Dreisbach, R.R.; Shrader, S.A.,
Vapor Pressure--Temperature Data on Some Organic Compounds,
Ind. Eng. Chem., 1949, 41, 12, 2879-2880, https://doi.org/10.1021/ie50480a054
. [all data]
Notes
Go To: Top, Phase change data, References
- Symbols used in this document:
Tboil Boiling point Tfus Fusion (melting) point ΔvapH Enthalpy of vaporization ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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