Tetracosane
- Formula: C24H50
- Molecular weight: 338.6538
- IUPAC Standard InChIKey: POOSGDOYLQNASK-UHFFFAOYSA-N
- CAS Registry Number: 646-31-1
- 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: n-Tetracosane
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Condensed phase thermochemistry data
Go To: Top, 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: Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
S°solid,1 bar | 651.0 | J/mol*K | N/A | Parks, Moore, et al., 1949 | Extrapolation below 80 K, 160.5 J/mol*K. |
Constant pressure heat capacity of liquid
Cp,liquid (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
772.5 | 330.63 | Grigor'ev and Andolenko, 1984 | T = 331 to 433 K. Unsmoothed experimental datum given as 2.281 kJ/kg*K. |
805. | 353. | Atkinson, Larkin, et al., 1969 | T = 353 to 453 K. Equation only. |
Constant pressure heat capacity of solid
Cp,solid (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
601. | 300. | Hoehne, 1981 | T = 300 to 500 K. Cv = 1.75 J/g*K. |
730.9 | 298.15 | Parks, Moore, et al., 1949 | T = 80 to 300 K. Specific heat at 290 to 300 K rapidly increasing; possible premelting effects. Value may be high. |
IR Spectrum
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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 by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Gas Phase Spectrum
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Additional Data
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Owner | NIST Standard Reference Data Program Collection (C) 2018 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
---|---|
Origin | Sadtler Research Labs Under US-EPA Contract |
State | gas |
Mass spectrum (electron ionization)
Go To: Top, Condensed phase thermochemistry 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
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Additional Data
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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. |
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Origin | Japan AIST/NIMC Database- Spectrum MS-NW-2437 |
NIST MS number | 234324 |
Gas Chromatography
Go To: Top, Condensed phase thermochemistry 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
Lee's RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-5MS | 382.35 | Chen, Keeran, et al., 2002 | 30. m/0.25 mm/0.5 μm, 40. C @ 1. min, 10. K/min; Tend: 310. C |
Capillary | DB-5MS | 389.39 | Chen, Keeran, et al., 2002 | 30. m/0.25 mm/0.5 μm, 40. C @ 1. min, 4. K/min; Tend: 310. C |
Capillary | DB-1 | 402.5 | Johnson, Urso, et al., 1997 | 30. m/0.2 mm/0.25 μm, 50. C @ 2. min, 5. K/min, 300. C @ 5. min |
Capillary | DB-1 | 402.6 | Johnson, Urso, et al., 1997 | 30. m/0.2 mm/0.25 μm, 50. C @ 2. min, 5. K/min, 300. C @ 5. min |
Lee's RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-5 | 366. | Fuentes, Font, et al., 2007 | Column length: 60. m; Program: not specified |
References
Go To: Top, Condensed phase thermochemistry 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.
Parks, Moore, et al., 1949
Parks, G.S.; Moore, G.E.; Renquist, M.L.; Naylor, B.F.; McClaine, L.A.; Fujii, P.S.; Hatton, J.A.,
Thermal data on organic compounds. XXV. Some heat capacity, entropy and free energy data for nine hydrocarbons of high molecular weight,
J. Am. Chem. Soc., 1949, 71, 3386-3389. [all data]
Grigor'ev and Andolenko, 1984
Grigor'ev, B.A.; Andolenko, R.A.,
Investigation of the isobaric heat capacity of n-paraffinic hydrocarbons at atmospheric pressure, Izv. Vyssh. Ucheb. Zaved.,
Neft i Gaz, 1984, (2), 60-62. [all data]
Atkinson, Larkin, et al., 1969
Atkinson, C.M.L.; Larkin, J.A.; Richardson, M.J.,
Enthalpy changes in molten n-alkanes and polyethylene,
J. Chem. Thermodynam., 1969, 1, 435-445. [all data]
Hoehne, 1981
Hoehne, G.W.H.,
Transitions of n-alkanes above the melting point,
Polym. Bull. (Berlin), 1981, 6, 41-46. [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]
Johnson, Urso, et al., 1997
Johnson, C.I.; Urso, A.; Geleta, L.,
Broad spectrum analysis of municipal and industrial effluents discharged into the Peace, Athabasca and Slave river basins: characterization of effluent samples, 1994 - Volume 1 of 2, Northern River Basins Study Project Report No. 121, Norther River Basins Study, Edmonton, Alberta, 1997, 27. [all data]
Fuentes, Font, et al., 2007
Fuentes, M.J.; Font, R.; Gomez-Rico, M.F.; Martin-Gullon, I.,
Pyrolysis and combustion of waste lubricant oil from diesel cars: Decomposition and pollutants,
J. Anal. Appl. Pyrolysis, 2007, 79, 1-2, 215-226, https://doi.org/10.1016/j.jaap.2006.12.004
. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, References
- Symbols used in this document:
Cp,liquid Constant pressure heat capacity of liquid Cp,solid Constant pressure heat capacity of solid S°solid,1 bar Entropy of solid at standard conditions (1 bar) - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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