Nonacosane
- Formula: C29H60
- Molecular weight: 408.7867
- IUPAC Standard InChIKey: IGGUPRCHHJZPBS-UHFFFAOYSA-N
- CAS Registry Number: 630-03-5
- 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-Nonacosane
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Phase change data
Go To: Top, 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:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
CAL - James S. Chickos, William E. Acree, Jr., Joel F. Liebman, Students of Chem 202 (Introduction to the Literature of Chemistry), University of Missouri -- St. Louis
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 714.0 | K | N/A | Weast and Grasselli, 1989 | BS |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 337. ± 2. | K | AVG | N/A | Average of 10 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 35.16 | kcal/mol | CGC | Chickos and Hanshaw, 2004 | Based on data from 434. to 539. K.; AC |
Reduced pressure boiling point
Tboil (K) | Pressure (atm) | Reference | Comment |
---|---|---|---|
559.2 | 0.020 | Aldrich Chemical Company Inc., 1990 | BS |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
26.89 | 437. | N/A | Sawaya, Mokbel, et al., 2006 | Based on data from 422. to 452. K.; AC |
32.7 ± 0.7 | 440. | TE | Piacente, Fontana, et al., 1994 | Based on data from 423. to 457. K.; AC |
32.77 ± 0.72 | 439. | TE | Pompili and Piacente, 1990 | Based on data from 423. to 456. K.; AC |
26.1 | 503. | A,EST | Stephenson and Malanowski, 1987 | Based on data from 488. to 714. K. See also Kudchadker and Zwolinski, 1966.; AC |
Enthalpy of fusion
ΔfusH (kcal/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
15.80 | 336.6 | Domalski and Hearing, 1996 | AC |
Entropy of fusion
ΔfusS (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
21.43 | 331.4 | Domalski and Hearing, 1996 | CAL |
46.948 | 336.6 |
Enthalpy of phase transition
ΔHtrs (kcal/mol) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
---|---|---|---|---|---|
7.0999 | 331.35 | crystaline, II | crystaline, I | Schaerer, Busso, et al., 1955 | DH |
15.800 | 336.55 | crystaline, I | liquid | Schaerer, Busso, et al., 1955 | DH |
Entropy of phase transition
ΔStrs (cal/mol*K) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
---|---|---|---|---|---|
21.4 | 331.35 | crystaline, II | crystaline, I | Schaerer, Busso, et al., 1955 | DH |
46.94 | 336.55 | crystaline, I | liquid | Schaerer, Busso, et al., 1955 | DH |
Gas Chromatography
Go To: Top, Phase change 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
Lee's RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-5MS | 454.90 | 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 | 475.3 | Johnson, Urso, et al., 1997 | 30. m/0.2 mm/0.25 μm, 50. C @ 2. min, 5. K/min, 300. C @ 5. min |
References
Go To: Top, Phase change data, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [all data]
Chickos and Hanshaw, 2004
Chickos, James S.; Hanshaw, William,
Vapor Pressures and Vaporization Enthalpies of the n -Alkanes from C 21 to C 30 at T = 298.15 K by Correlation Gas Chromatography,
J. Chem. Eng. Data, 2004, 49, 1, 77-85, https://doi.org/10.1021/je0301747
. [all data]
Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc.,
Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 1. [all data]
Sawaya, Mokbel, et al., 2006
Sawaya, Terufat; Mokbel, Ilham; Ainous, Nédal; Rauzy, Evelyne; Berro, Charles; Jose, Jacques,
Experimental Vapor Pressures of Six n -Alkanes (C 21 , C 23 , C 25 , C 27 , C 29 , C 30 ) in the Temperature Range between 350 K and 460 K,
J. Chem. Eng. Data, 2006, 51, 3, 854-858, https://doi.org/10.1021/je050182i
. [all data]
Piacente, Fontana, et al., 1994
Piacente, Vincenzo; Fontana, Danilo; Scardala, Paolo,
Enthalpies of Vaporization of a Homologous Series of n-Alkanes Determined from Vapor Pressure Measurements,
J. Chem. Eng. Data, 1994, 39, 2, 231-237, https://doi.org/10.1021/je00014a009
. [all data]
Pompili and Piacente, 1990
Pompili, T.; Piacente, V.,
Enthalpy of vaporization of n-heptacosane and n-nonacosane from their vapour pressure determinations,
Thermochimica Acta, 1990, 170, 289-291, https://doi.org/10.1016/0040-6031(90)80548-D
. [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]
Kudchadker and Zwolinski, 1966
Kudchadker, A.P.; Zwolinski, B.J.,
Vapor Pressure and Boiling Points of Normal Alkanes, C 21 to C 100 .,
J. Chem. Eng. Data, 1966, 11, 2, 253-255, https://doi.org/10.1021/je60029a039
. [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]
Schaerer, Busso, et al., 1955
Schaerer, A.A.; Busso, C.J.; Smith, A.E.; Skinner, L.B.,
Properties of pure normal alkanes in the C17 to C36 range,
J. Am. Chem. Soc., 1955, 77, 2017-2019. [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]
Notes
Go To: Top, Phase change data, Gas Chromatography, References
- Symbols used in this document:
Tboil Boiling point Tfus Fusion (melting) point ΔHtrs Enthalpy of phase transition ΔStrs Entropy of phase transition ΔfusH Enthalpy of fusion ΔfusS Entropy of fusion 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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