Trinitrotoluene
- Formula: C7H5N3O6
- Molecular weight: 227.1311
- IUPAC Standard InChIKey: SPSSULHKWOKEEL-UHFFFAOYSA-N
- CAS Registry Number: 118-96-7
- 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: Benzene, 2-methyl-1,3,5-trinitro-; Toluene, 2,4,6-trinitro-; α-TNT; s-Trinitrotoluene; s-Trinitrotoluol; Tolite; Tritol; Trotyl; TNT; 2-Methyl-1,3,5-Trinitrobenzene; 2,4,6-Trinitrotoluene; sym-Trinitrotoluene; sym-Trinitrotoluol; NCI-C56155; TNT-tolite; Trojnitrotoluen; 2,4,6-Trinitrotolueen; 2,4,6-Trinitrotoluol; Tolit; Trotyl oil; 1-Methyl-2,4,6-trinitrobenzene; 2,4,6-TNT; Gradetol; NSC 36949; Tritol (explosive)
- Permanent link for this species. Use this link for bookmarking this species for future reference.
- Information on this page:
- Other data available:
- Options:
Data at NIST subscription sites:
NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.
Gas phase thermochemistry data
Go To: Top, Condensed phase thermochemistry data, Reaction thermochemistry 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | 24.1 ± 3.5 | kJ/mol | Ccb | Lenchitz, Velicky, et al., 1971 |
Condensed phase thermochemistry data
Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry 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 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 | -63.2 ± 5.0 | kJ/mol | Ccb | Rouse, 1976 | ALS |
ΔfH°solid | -80.5 ± 3.1 | kJ/mol | Ccb | Lenchitz, Velicky, et al., 1971 | ALS |
ΔfH°solid | -49.96 | kJ/mol | Ccb | Rinkenbach, 1930 | Author hf298_condensed[kcal/mol]=-16.50; ALS |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°solid | -3410. ± 20. | kJ/mol | AVG | N/A | Average of 8 values; Individual data points |
Constant pressure heat capacity of solid
Cp,solid (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
243.3 | 298. | Yin, Ziru, et al., 1991 | T = 290 to 345 K. Cp value reported at 298 K is 1.071 J/g*K.; DH |
311.7 | 293. | Taylor and Rinkenbach, 1924 | T = 90 to 352 K.; DH |
Reaction thermochemistry data
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry 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: John E. Bartmess
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.
Individual Reactions
C7H4N3O6- + =
By formula: C7H4N3O6- + H+ = C7H5N3O6
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 1320. ± 9.2 | kJ/mol | G+TS | Koppel, Taft, et al., 1994 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 1293. ± 8.4 | kJ/mol | IMRE | Koppel, Taft, et al., 1994 | gas phase |
ΔrG° | 1351. ± 21. | kJ/mol | IMRB | Dzidic, Carroll, et al., 1974 | gas phase |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Reaction thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Lenchitz, Velicky, et al., 1971
Lenchitz, C.; Velicky, R.W.; Silvestro, G.; Schlosberg, L.P.,
Thermodynamic properties of several nitrotoluenes,
J. Chem. Thermodyn., 1971, 3, 689-692. [all data]
Rouse, 1976
Rouse, P.E., Jr.,
Enthalpies of formation and calculated detonation properties of some thermally stable explosives,
J. Chem. Eng. Data, 1976, 21, 16-20. [all data]
Rinkenbach, 1930
Rinkenbach, W.H.,
The heats of combustion and formation of aromatic nitro compounds,
J. Am. Chem. Soc., 1930, 52, 115-120. [all data]
Yin, Ziru, et al., 1991
Yin, C.; Ziru, L.; Ganghe, W.; Chengyun, W., et al.,
Determination of heat capacity of explosives and related materials by DSC,
Proc. Int. Pyrotech. Semin. 17th(Vol. 1), 1991, 515-521. [all data]
Taylor and Rinkenbach, 1924
Taylor, C.A.; Rinkenbach, W.H.,
The specific heats of trinitrotoluene, tetryl, picric acid and their molecular complexes,
J. Am. Chem. Soc., 1924, 46, 1504-1510. [all data]
Koppel, Taft, et al., 1994
Koppel, I.A.; Taft, R.W.; Anvia, F.; Zhu, S.Z.; Hu, L.Q.; Sung, K.S.; Desmarteau, D.D.; Yagupolskii, L.M.,
The Gas-Phase Acidities of Very Strong Neutral Bronsted Acids,
J. Am. Chem. Soc., 1994, 116, 7, 3047, https://doi.org/10.1021/ja00086a038
. [all data]
Dzidic, Carroll, et al., 1974
Dzidic, I.; Carroll, D.I.; Stillwell, R.N.; Horning, E.C.,
Gas phase reactions. Ionization by proton transfer to superoxide anions,
J. Am. Chem. Soc., 1974, 96, 5258. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Reaction 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°gas Enthalpy of formation of gas at standard conditions ΔfH°solid Enthalpy of formation of solid at standard conditions ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
- The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
- Customer support for NIST Standard Reference Data products.