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)
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Phase change 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:
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
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tfus | 355.1 | K | N/A | Hu, Li, et al., 1990 | Uncertainty assigned by TRC = 0.1 K; TRC |
Tfus | 352. | K | N/A | Hwang, Tamura, et al., 1990 | Uncertainty assigned by TRC = 0.1 K; TRC |
Tfus | 354. | K | N/A | Kotula and Rabczuk, 1985 | Uncertainty assigned by TRC = 2. K; TRC |
Tfus | 354.3 | K | N/A | Lenchitz and Velicky, 1970 | Uncertainty assigned by TRC = 0.5 K; TRC |
Tfus | 353.42 | K | N/A | Taylor and Rinkenbach, 1924 | Uncertainty assigned by TRC = 0.3 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 20.8 ± 0.45 | kcal/mol | ME | Cundall, Frank Palmer, et al., 1978 | AC |
Quantity | Value | Units | Method | Reference | Comment |
ΔsubH° | 27.06 ± 0.36 | kcal/mol | ME | Kudchadker, Kudchadker, et al., 1979 | Based on data from 301. to 349. K.; AC |
ΔsubH° | 25.0 ± 0.4 | kcal/mol | V | Lenchitz, Velicky, et al., 1971 | ALS |
ΔsubH° | 25.00 ± 0.41 | kcal/mol | ME | Lenchitz, Velicky, et al., 1971 | AC |
ΔsubH° | 28.3 | kcal/mol | V | Edwards, 1950 | ALS |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
22.4 | 368. | A | Stephenson and Malanowski, 1987 | Based on data from 353. to 523. K.; AC |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (atm)
T = temperature (K)
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Temperature (K) | A | B | C | Reference | Comment |
---|---|---|---|---|---|
503. to 523. | 5.3671 | 3209.208 | -24.437 | Maksimov, 1968 | Coefficents calculated by NIST from author's data. |
Enthalpy of sublimation
ΔsubH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
26.86 | 308. | A | Stephenson and Malanowski, 1987 | Based on data from 293. to 353. K.; AC |
23.7 ± 0.5 | 297. to 330. | GS | Pella, 1976 | See also Pella, 1977.; AC |
24.69 ± 0.60 | 338. | N/A | Lenchitz and Velicky, 1970 | Based on data from 327. to 349. K.; AC |
28.3 ± 1.0 | 323. to 353. | ME | Edwards, 1950 | See also Jones, 1960 and Cox and Pilcher, 1970.; AC |
Enthalpy of fusion
ΔfusH (kcal/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
5.600 | 352.2 | Acree, 1993 | AC |
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.
Hu, Li, et al., 1990
Hu, R.; Li, J.; Liang, Y.; Wu, S.; Sun, L.; Wang, Y.,
Thermal behavior of 2,2,2-trinitroethyl-4,4,4-trinitrobutyrate,
J. Therm. Anal., 1990, 36, 1155-60. [all data]
Hwang, Tamura, et al., 1990
Hwang, D.-R.; Tamura, M.; Yoshida, T.; Tanaka, N.; Hosoya, F.,
Estimation of ΔH°f of nitro derivatives of benzene and toluene using AM1 and DSC,
J. Energ. Mater., 1990, 8, 85-98. [all data]
Kotula and Rabczuk, 1985
Kotula, I.; Rabczuk, A.,
DTA Investigation of the Solid-Liquid Equilibrium for Mehtyl Derivatives of Naphthalene with Some Nitroaromatics,
J. Therm. Anal., 1985, 30, 195. [all data]
Lenchitz and Velicky, 1970
Lenchitz, Charles; Velicky, Rodolf W.,
Vapor pressure and heat of sublimation of three nitrotoluenes,
J. Chem. Eng. Data, 1970, 15, 3, 401-403, https://doi.org/10.1021/je60046a022
. [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, 1504-10. [all data]
Cundall, Frank Palmer, et al., 1978
Cundall, Robert B.; Frank Palmer, T.; Wood, Colin E.C.,
Vapour pressure measurements on some organic high explosives,
J. Chem. Soc., Faraday Trans. 1, 1978, 74, 0, 1339, https://doi.org/10.1039/f19787401339
. [all data]
Kudchadker, Kudchadker, et al., 1979
Kudchadker, Shanti A.; Kudchadker, Arvind P.; Zwolinski, Bruno J.,
Chemical thermodynamic properties of anthracene and phenanthrene,
The Journal of Chemical Thermodynamics, 1979, 11, 11, 1051-1059, https://doi.org/10.1016/0021-9614(79)90135-6
. [all data]
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]
Edwards, 1950
Edwards, G.,
The vapour pressure of 2 : 4 : 6-trinitrotoluene,
Trans. Faraday Soc., 1950, 46, 423. [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]
Maksimov, 1968
Maksimov, Yu,
Steam Pressures of Nitroaromatic Compouds at Different Temperatures,
Zh. Fiz. Khim., 1968, 42, 2921-2925. [all data]
Pella, 1976
Pella, Peter A.,
Generator for producing trace vapor concentrations of 2,4,6-trinitrotoluene, 2,4-dinitrotoluene, and ethylene glycol dinitrate for calibrating explosives vapor detectors,
Anal. Chem., 1976, 48, 11, 1632-1637, https://doi.org/10.1021/ac50005a054
. [all data]
Pella, 1977
Pella, Peter A.,
Measurement of the vapor pressures of tnt, 2,4-dnt, 2,6-dnt, and egdn,
The Journal of Chemical Thermodynamics, 1977, 9, 4, 301-305, https://doi.org/10.1016/0021-9614(77)90049-0
. [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]
Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G.,
Thermochemistry of Organic and Organometallic Compounds, Academic Press Inc., London, 1970, 643. [all data]
Acree, 1993
Acree, William E.,
Thermodynamic properties of organic compounds,
Thermochimica Acta, 1993, 219, 97-104, https://doi.org/10.1016/0040-6031(93)80486-T
. [all data]
Notes
Go To: Top, Phase change data, References
- Symbols used in this document:
Tfus Fusion (melting) point ΔfusH Enthalpy of fusion ΔsubH Enthalpy of sublimation ΔsubH° Enthalpy of sublimation at standard conditions 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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