m-Nitroaniline
- Formula: C6H6N2O2
- Molecular weight: 138.1240
- IUPAC Standard InChIKey: XJCVRTZCHMZPBD-UHFFFAOYSA-N
- CAS Registry Number: 99-09-2
- 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: Benzenamine, 3-nitro-; Aniline, m-nitro-; m-Aminonitrobenzene; m-Nitroaminobenzene; m-Nitrophenylamine; Amarthol Fast Orange R Base; Azobase MNA; C.I. Azoic Diazo Component 7; C.I. 37030; Daito Orange Base R; Devol Orange R; Diazo Fast Orange R; Fast Orange Base R; Fast Orange M Base; Fast Orange MM Base; Fast Orange R Base; Fast Orange R Salt; Hiltonil Fast Orange R Base; MNA; Naphtoelan Orange R Base; Nitranilin; Orange Base Irga I; 1-Amino-3-nitrobenzene; 3-Nitroaniline; 3-Nitrobenzenamine; 3-Nitrobenzeneamine; 3-Nitrophenylamine; m-Nitraniline; 3-Aminonitrobenzene; NSC 9574
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Phase change data
Go To: Top, Gas phase ion energetics data, Gas Chromatography, 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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
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 |
---|---|---|---|---|---|
Tfus | 386. ± 3. | K | AVG | N/A | Average of 8 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
ΔsubH° | 23.1 ± 0.3 | kcal/mol | V | Malaspina, Gigli, et al., 1973 | ALS |
ΔsubH° | 23.1 ± 0.07 | kcal/mol | C | Malaspina, Gigli, et al., 1973 | AC |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
15.5 | 458. | A | Ferro and Piacente, 1985 | Based on data from 443. to 578. K.; AC |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (atm)
T = temperature (K)
View plot Requires a JavaScript / HTML 5 canvas capable browser.
Temperature (K) | A | B | C | Reference | Comment |
---|---|---|---|---|---|
392.5 to 578.9 | 5.84044 | 3308.304 | -12.776 | Stull, 1947 | Coefficents calculated by NIST from author's data. |
Enthalpy of sublimation
ΔsubH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
22.4 ± 0.2 | 351. | ME | Malaspina, Gigli, et al., 1973 | Based on data from 320. to 384. K.; AC |
22.6 ± 0.07 | 351. | C | Malaspina, Gigli, et al., 1973 | Based on data from 320. to 384. K.; AC |
23.3 | 316. | ME | Hoyer and Peperle, 1958 | Based on data from 288. to 343. K. See also Cox and Pilcher, 1970.; AC |
23.3 ± 1.0 | 288. | V | Hoyer and Peperle, 1958, 2 | Reanalyzed by Pedley, Naylor, et al., 1986, Original value = 22.7 kcal/mol; ALS |
21.2 ± 0.60 | 332. to 341. | N/A | Wolf and Weghofer, 1938 | See also Jones, 1960 and Trieschmann, 1935.; AC |
21.2 ± 0.5 | 342. | V | Wolf and Weghofer, 1938, 2 | ALS |
21.1 ± 0.41 | 332. to 341. | TE | Wolf and Trieschmann, 1934 | AC |
Enthalpy of fusion
ΔfusH (kcal/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
5.6618 | 387. | Singh, Gupta, et al., 1990 | DH |
5.660 | 387.2 | Domalski and Hearing, 1996 | AC |
5.6405 | 384.95 | Booss and Hauschildt, 1972 | DH |
5.6597 | 385.0 | Andrews, Lynn, et al., 1926 | DH |
Entropy of fusion
ΔfusS (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
14.7 | 384.95 | Booss and Hauschildt, 1972 | DH |
14.7 | 385.0 | Andrews, Lynn, et al., 1926 | DH |
Gas phase ion energetics data
Go To: Top, Phase change data, Gas Chromatography, 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:
B - John E. Bartmess
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
View reactions leading to C6H6N2O2+ (ion structure unspecified)
Electron affinity determinations
EA (eV) | Method | Reference | Comment |
---|---|---|---|
0.95 ± 0.10 | IMRE | Chowdhury, Kishi, et al., 1989 | ΔGea(423 K) = -21.0 kcal/mol, ΔS = -2 eu est; B |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
8.31 ± 0.02 | PI | Potapov, Kardash, et al., 1972 | LLK |
8.80 | EI | Crable and Kearns, 1962 | RDSH |
8.60 | PE | Khalil, Meeks, et al., 1973 | Vertical value; LLK |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
C6H6N+ | 11.2 ± 0.1 | NO2 | EI | Brown, 1970 | RDSH |
C6H6NO+ | 9.1 ± 0.1 | NO | EI | Brown, 1970 | RDSH |
De-protonation reactions
C6H5N2O2- + =
By formula: C6H5N2O2- + H+ = C6H6N2O2
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 352.3 ± 2.1 | kcal/mol | G+TS | Taft and Topsom, 1987 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 345.0 ± 2.0 | kcal/mol | IMRE | Taft and Topsom, 1987 | gas phase; B |
Gas Chromatography
Go To: Top, Phase change data, Gas phase ion energetics data, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Kovats' RI, non-polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Packed | SE-30 | 180. | 1446. | Oszczapowicz, Osek, et al., 1985 | N2, Chromosorb A AW; Column length: 3. m |
Packed | SE-30 | 180. | 1446. | Oszczapowicz, Osek, et al., 1984 | N2, Chromosorb W AW; Column length: 3. m |
Lee's RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-5 | 254.2 | Donnelly, Abdel-Hamid, et al., 1993 | 30. m/0.32 mm/0.25 μm, He, 40. C @ 3. min, 8. K/min, 285. C @ 29.5 min |
Lee's RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Polydimethyl siloxanes | 254.17 | Eckel and Kind, 2003 | Program: not specified |
References
Go To: Top, Phase change data, Gas phase ion energetics data, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Malaspina, Gigli, et al., 1973
Malaspina, L.; Gigli, R.; Bardi, G.; De Maria, G.,
Simultaneous determination by Knudsen effusion microcalorimetry of the vapour pressure and the enthalpy of sublimation of p- and m-nitroaniline,
J. Chem. Thermodyn., 1973, 5, 699-706. [all data]
Ferro and Piacente, 1985
Ferro, D.; Piacente, V.,
Heat of vaporization of o-, m- and p-nitroaniline,
Thermochimica Acta, 1985, 90, 387-389, https://doi.org/10.1016/0040-6031(85)87121-5
. [all data]
Stull, 1947
Stull, Daniel R.,
Vapor Pressure of Pure Substances. Organic and Inorganic Compounds,
Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022
. [all data]
Hoyer and Peperle, 1958
Hoyer, H.; Peperle, W.,
Z. Elektrochem., 1958, 62, 61. [all data]
Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G.,
Thermochemistry of Organic and Organometallic Compounds, Academic Press Inc., London, 1970, 643. [all data]
Hoyer and Peperle, 1958, 2
Hoyer, H.; Peperle, W.,
Dampfdrunkmessungen an organischen substanzen und ihre sublimationswarmen,
Z. Electrochem., 1958, 62, 61-66. [all data]
Pedley, Naylor, et al., 1986
Pedley, J.B.; Naylor, R.D.; Kirby, S.P.,
Thermochemical Data of Organic Compounds, Chapman and Hall, New York, 1986, 1-792. [all data]
Wolf and Weghofer, 1938
Wolf, K.L.; Weghofer, H.Z.,
Z. Phys. Chem. Abt. B, 1938, 39, 194. [all data]
Jones, 1960
Jones, A.H.,
Sublimation Pressure Data for Organic Compounds.,
J. Chem. Eng. Data, 1960, 5, 2, 196-200, https://doi.org/10.1021/je60006a019
. [all data]
Trieschmann, 1935
Trieschmann, H.G.,
, Ph.D. Dissertation, Inst. Fur Phys. Chem. and Electrochem. der Universitat Kiel, Germany, 1935. [all data]
Wolf and Weghofer, 1938, 2
Wolf, K.L.; Weghofer, H.,
Uber sublimationswarmen,
Z. Phys. Chem., 1938, 39, 194-208. [all data]
Wolf and Trieschmann, 1934
Wolf, K.L.; Trieschmann, H.G.,
Z. Phys. Chem. Abt. B, 1934, 27, 376. [all data]
Singh, Gupta, et al., 1990
Singh, R.N.; Gupta, J.P.; Singh, N.; Singh, N.P.; Singh, O.P.; Singh, N.B.; Hopkins, R.H.; Mazelsky, R.,
Growth conditions of organic non-linear optical crystals,
Thermochim. Acta, 1990, 165(2), 297-299. [all data]
Domalski and Hearing, 1996
Domalski, Eugene S.; Hearing, Elizabeth D.,
Heat Capacities and Entropies of Organic Compounds in the Condensed Phase. Volume III,
J. Phys. Chem. Ref. Data, 1996, 25, 1, 1, https://doi.org/10.1063/1.555985
. [all data]
Booss and Hauschildt, 1972
Booss, H.J.; Hauschildt, K.R.,
Die Schmelzenthalpie des Benzils und 4-Nitrophenols,
Z. Anal. Chem., 1972, 261(1), 32. [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]
Chowdhury, Kishi, et al., 1989
Chowdhury, S.; Kishi, H.; Dillow, G.W.; Kebarle, P.,
Electron Affinities of Substituted Nitrobenzenes,
Can. J. Chem., 1989, 67, 4, 603, https://doi.org/10.1139/v89-091
. [all data]
Potapov, Kardash, et al., 1972
Potapov, V.K.; Kardash, I.E.; Sorokin, V.V.; Sokolov, S.A.; Evlasheva, T.I.,
Photoionization of heteroaromatic compounds,
Khim. Vys. Energ., 1972, 6, 392. [all data]
Crable and Kearns, 1962
Crable, G.F.; Kearns, G.L.,
Effect of substituent groups on the ionization potentials of benzenes,
J. Phys. Chem., 1962, 66, 436. [all data]
Khalil, Meeks, et al., 1973
Khalil, O.S.; Meeks, J.L.; McGlynn, S.P.,
Electronic spectroscopy of highly polar aromatics. VII. Photoelectron spectra of nitroanilines,
J. Am. Chem. Soc., 1973, 95, 5876. [all data]
Brown, 1970
Brown, P.,
Kinetic studies in mass spectrometry. IX. Competing [M-NO2] and [M-NO] reactions in substituted nitrobenzenes. Approximate activation energies from ionization and appearance potentials,
Org. Mass Spectrom., 1970, 4, 533. [all data]
Taft and Topsom, 1987
Taft, R.W.; Topsom, R.D.,
The Nature and Analysis of Substituent Effects,
Prog. Phys. Org. Chem., 1987, 16, 1. [all data]
Oszczapowicz, Osek, et al., 1985
Oszczapowicz, J.; Osek, J.; Ciszkowski, K.; Krawczyk, W.; Ostrowski, M.,
Retention Indices of Dimethylbenzamidines and Benzylideneamines on a Non-Polar Column,
J. Chromatogr., 1985, 330, 79-85, https://doi.org/10.1016/S0021-9673(01)81964-6
. [all data]
Oszczapowicz, Osek, et al., 1984
Oszczapowicz, J.; Osek, J.; Dolecka, E.,
Retention indices of dimethylformamidines, dimethylacetamidines and tetramethylguanidines on a non-polar column,
J. Chromatogr., 1984, 315, 95-100, https://doi.org/10.1016/S0021-9673(01)90727-7
. [all data]
Donnelly, Abdel-Hamid, et al., 1993
Donnelly, J.R.; Abdel-Hamid, M.S.; Jeter, J.L.; Gurka, D.F.,
Application of gas chromatographic retention properties to the identification of environmental contaminants,
J. Chromatogr., 1993, 642, 1-2, 409-415, https://doi.org/10.1016/0021-9673(93)80106-I
. [all data]
Eckel and Kind, 2003
Eckel, W.P.; Kind, T.,
Use of boiling point-Lee retention index correlation for rapid review of gas chromatography-mass spectrometry data,
Anal. Chim. Acta., 2003, 494, 1-2, 235-243, https://doi.org/10.1016/j.aca.2003.08.003
. [all data]
Notes
Go To: Top, Phase change data, Gas phase ion energetics data, Gas Chromatography, References
- Symbols used in this document:
AE Appearance energy EA Electron affinity Tfus Fusion (melting) point ΔfusH Enthalpy of fusion ΔfusS Entropy of fusion ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions ΔsubH Enthalpy of sublimation 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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