Trinitrotoluene

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, Phase change data, IR Spectrum, Mass spectrum (electron ionization), 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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Δfgas24.1 ± 3.5kJ/molCcbLenchitz, Velicky, et al., 1971 

Condensed phase thermochemistry data

Go To: Top, Gas phase thermochemistry data, Phase change data, IR Spectrum, Mass spectrum (electron ionization), 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:
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
Δfsolid-63.2 ± 5.0kJ/molCcbRouse, 1976ALS
Δfsolid-80.5 ± 3.1kJ/molCcbLenchitz, Velicky, et al., 1971ALS
Δfsolid-49.96kJ/molCcbRinkenbach, 1930Author hf298_condensed[kcal/mol]=-16.50; ALS
Quantity Value Units Method Reference Comment
Δcsolid-3410. ± 20.kJ/molAVGN/AAverage of 8 values; Individual data points

Constant pressure heat capacity of solid

Cp,solid (J/mol*K) Temperature (K) Reference Comment
243.3298.Yin, Ziru, et al., 1991T = 290 to 345 K. Cp value reported at 298 K is 1.071 J/g*K.; DH
311.7293.Taylor and Rinkenbach, 1924T = 90 to 352 K.; DH

Phase change data

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), 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

Quantity Value Units Method Reference Comment
Tfus355.1KN/AHu, Li, et al., 1990Uncertainty assigned by TRC = 0.1 K; TRC
Tfus352.KN/AHwang, Tamura, et al., 1990Uncertainty assigned by TRC = 0.1 K; TRC
Tfus354.KN/AKotula and Rabczuk, 1985Uncertainty assigned by TRC = 2. K; TRC
Tfus354.3KN/ALenchitz and Velicky, 1970Uncertainty assigned by TRC = 0.5 K; TRC
Tfus353.42KN/ATaylor and Rinkenbach, 1924, 2Uncertainty assigned by TRC = 0.3 K; TRC
Quantity Value Units Method Reference Comment
Δvap87.0 ± 1.9kJ/molMECundall, Frank Palmer, et al., 1978AC
Quantity Value Units Method Reference Comment
Δsub113.2 ± 1.5kJ/molMEKudchadker, Kudchadker, et al., 1979Based on data from 301. to 349. K.; AC
Δsub105. ± 2.kJ/molVLenchitz, Velicky, et al., 1971ALS
Δsub104.6 ± 1.7kJ/molMELenchitz, Velicky, et al., 1971AC
Δsub118.kJ/molVEdwards, 1950ALS

Enthalpy of vaporization

ΔvapH (kJ/mol) Temperature (K) Method Reference Comment
93.7368.AStephenson and Malanowski, 1987Based on data from 353. to 523. K.; AC

Antoine Equation Parameters

log10(P) = A − (B / (T + C))
    P = vapor pressure (bar)
    T = temperature (K)

View plot Requires a JavaScript / HTML 5 canvas capable browser.

Temperature (K) A B C Reference Comment
503. to 523.5.37283209.208-24.437Maksimov, 1968Coefficents calculated by NIST from author's data.

Enthalpy of sublimation

ΔsubH (kJ/mol) Temperature (K) Method Reference Comment
112.4308.AStephenson and Malanowski, 1987Based on data from 293. to 353. K.; AC
99. ± 2.297. to 330.GSPella, 1976See also Pella, 1977.; AC
103.3 ± 2.5338.N/ALenchitz and Velicky, 1970Based on data from 327. to 349. K.; AC
118.4 ± 4.2323. to 353.MEEdwards, 1950See also Jones, 1960 and Cox and Pilcher, 1970.; AC

Enthalpy of fusion

ΔfusH (kJ/mol) Temperature (K) Reference Comment
23.43352.2Acree, 1993AC

In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products:


IR Spectrum

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), 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 by: Timothy J. Johnson, Tanya L. Myers, Yin-Fong Su, Russell G. Tonkyn, Molly Rose K. Kelly-Gorham, and Tyler O. Danby

Condensed Phase Spectrum

Notice: This spectrum may be better viewed with a Javascript and HTML 5 enabled browser.

IR spectrum
For Zoom
1.) Enter the desired X axis range (e.g., 100, 200)
2.) Check here for automatic Y scaling
3.) Press here to zoom

Additional Data

View image of digitized spectrum (can be printed in landscape orientation).

View spectrum image in SVG format.

Download spectrum in JCAMP-DX format.

Detailed documentation for this spectrum is available.

Owner Public domain
Origin Pacific Northwest National Laboratory Under IARPA Contract
Date March 2017
State solid
Instrument Bruker IR Cube FTIR
Aperture 6 mm
External diffuse reflectance accessory A 562-G integrating sphere
Beam splitter Ge on KBr
Diameter of detector port in sphere 2×2 mm, 60° field of view MCT
Sphere diameter 75 mm
Acquisition mode double-sided, forward-backward
Scanner velocity 40 kHz
Co-added scans 2048
Phase resolution 32.00
Phase correction Mertz
Zero filling
Spectral range 7,500 to 600 cm-1 saved; 7500 to 600 cm-1 reported
Resolution 0.96450084
Spectral resolution 4 cm-1
Wavenumber accuracy ± 0.4 cm-1
Apodization function Blackman-Harris 3-term
Low-pass filter Open
Switch gain on 512 points

Mass spectrum (electron ionization)

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, IR Spectrum, 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 by: NIST Mass Spectrometry Data Center, William E. Wallace, director

Spectrum

Notice: This spectrum may be better viewed with a Javascript and HTML 5 enabled browser.

Mass spectrum
For Zoom
1.) Enter the desired X axis range (e.g., 100, 200)
2.) Check here for automatic Y scaling
3.) Press here to zoom

Additional Data

View image of digitized spectrum (can be printed in landscape orientation).

Due to licensing restrictions, this spectrum cannot be downloaded.

Owner NIST Mass Spectrometry Data Center
Collection (C) 2014 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin Japan AIST/NIMC Database- Spectrum MS-IW-5216
NIST MS number 242273

All mass spectra in this site (plus many more) are available from the NIST/EPA/NIH Mass Spectral Library. Please see the following for information about the library and its accompanying search program.


Gas Chromatography

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, IR Spectrum, Mass spectrum (electron ionization), 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

View large format table.

Column type Active phase Temperature (C) I Reference Comment
CapillaryDB-5140.1707.07Hobbs and Conde, 199230. m/0.25 mm/0.25 μm
CapillaryDB-5140.1714.08Hobbs and Conde, 199230. m/0.25 mm/0.25 μm

Kovats' RI, non-polar column, temperature ramp

View large format table.

Column type Active phase I Reference Comment
PackedOV-1011693.Alley and Dykes, 19726. K/min; Tstart: 70. C; Tend: 220. C

Kovats' RI, non-polar column, custom temperature program

View large format table.

Column type Active phase I Reference Comment
CapillaryMethyl Silicone1704.Staples, 2005Column diameter: 0.25 mm; Program: not specified

Van Den Dool and Kratz RI, non-polar column, temperature ramp

View large format table.

Column type Active phase I Reference Comment
CapillaryDB-51708.67Hobbs and Conde, 199230. m/0.25 mm/0.25 μm, 5. K/min; Tstart: 40. C; Tend: 300. C
CapillaryDB-51717.67Hobbs and Conde, 199230. m/0.25 mm/0.25 μm, 5. K/min; Tstart: 40. C; Tend: 300. C

Normal alkane RI, non-polar column, custom temperature program

View large format table.

Column type Active phase I Reference Comment
CapillaryDB-51704.Staples, 2004He; Program: not specified
CapillaryDB-51709.Staples, 2004He; Program: not specified

Lee's RI, non-polar column, temperature ramp

View large format table.

Column type Active phase I Reference Comment
CapillaryDB-5MS287.66Chen, Keeran, et al., 200230. m/0.25 mm/0.5 μm, 40. C @ 1. min, 10. K/min; Tend: 310. C

References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, 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]

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, 2
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]

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]

Hobbs and Conde, 1992
Hobbs, J.R.; Conde, E.P., Gas chromatographic retention indices of explosives and nitro-compounds in Advances in Analysis and Detection of Explosives: Proceedings of the 4th International Symposium on Analysis of Detection of Explosives, September 7-10, 1992, Jerusalem Israel, J. Yinon, ed(s)., Kluwer Academic Publishers, Netherlands, 1992, 153-164. [all data]

Alley and Dykes, 1972
Alley, B.J.; Dykes, H.W.H., Gas-Liquid Chromatographic Determination of Nitrate Esters,Stabilizers and Plasticizers in Nitrocellulose-Base Propellants, J. Chromatogr., 1972, 71, 1, 23-37, https://doi.org/10.1016/S0021-9673(01)85687-9 . [all data]

Staples, 2005
Staples, E.J., Ultrahigh-speed chromatography and virtual chemical sensors for detecting explosives and chemical warfare agents, IEEE Sens. J., 2005, 5, 4, 622-631, https://doi.org/10.1109/JSEN.2005.850990 . [all data]

Staples, 2004
Staples, E.J., Analysis of odors from explosives using an electronic nose, 2004, retrieved from http://www.estcal.com/TechPapers/OdorsofExplosives.doc. [all data]

Chen, Keeran, et al., 2002
Chen, P.H.; Keeran, W.S.; Van Ausdale, W.A.; Schindler, D.R.; Roberts, D.W., Application of Lee retention indices to the confirmation of tentatively identified compounds from GC/MS analysis of environmental samples, Technical paper, Analytical Services Division, Environmental ScienceEngineering, Inc, PO Box 1703, Gainesville, FL 32602, 2002, 11. [all data]


Notes

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, References