Nonanoic acid, ethyl ester

• Formula: C₁₁H₂₂O₂
• Molecular weight: 186.2912
• IUPAC Standard InChI: InChI=1S/C11H22O2/c1-3-5-6-7-8-9-10-11(12)13-4-2/h3-10H2,1-2H3 Copy

  
• IUPAC Standard InChIKey: BYEVBITUADOIGY-UHFFFAOYSA-N Copy
• CAS Registry Number: 123-29-5
• 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: Ethyl nonanoate; Ethyl nonylate; Ethyl pelargonate; Wine ether; Ethyl n-nonanoate
• Permanent link for this species. Use this link for bookmarking this species for future reference.
• Information on this page:
  • Gas phase thermochemistry data
  • Phase change data
  • Gas Chromatography
  • References
  • Notes
• Other data available:
  • Condensed phase thermochemistry data
  • Mass spectrum (electron ionization)
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Gas phase thermochemistry data

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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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Phase change data

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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 as indicated in comments:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
BS - Robert L. Brown and Stephen E. Stein
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.

Reduced pressure boiling point

Gas Chromatography

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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

Kovats' RI, non-polar column, isothermal

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Kovats' RI, non-polar column, temperature ramp

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Kovats' RI, polar column, isothermal

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Kovats' RI, polar column, temperature ramp

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

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

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

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Van Den Dool and Kratz RI, polar column, custom temperature program

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Normal alkane RI, non-polar column, temperature ramp

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

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Normal alkane RI, polar column, temperature ramp

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Normal alkane RI, polar column, custom temperature program

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References

Go To: Top, Gas phase thermochemistry data, 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.

Wiberg and Waldron, 1991
Wiberg, K.B.; Waldron, R.F., Lactones. 2. Enthalpies of hydrolysis, reduction, and formation of the C₄-C₁₃ monocyclic lactones. strain energies and conformations, J. Am. Chem. Soc., 1991, 113, 7697-7705. [all data]

Strating, Backer, et al., 1936
Strating, J.; Backer, H.J.; Lolkema, J.; Benninga, N., Prep. of Several Crystalline Aliphatic Hydrocarbons in the Pure State, Recl. Trav. Chim. Pays-Bas, 1936, 55, 903-14. [all data]

Deffet, 1931
Deffet, L., The Freezing Points of Organic Compounds XIII. Compounds With Seven Eight, Nine or Ten Carbon Atoms, Bull. Soc. Chim. Belg., 1931, 40, 385-402. [all data]

Perkin, 1884
Perkin, W.H., On the Magnetic Rotary Polarisation of Compounds in Relation to their Chemical Consitution; with Observations on the Preparation and Relative Densities of the Bodies Examined, J. Chem. Soc., 1884, 45, 421-580. [all data]

Cahours, 1850
Cahours, A., Researches on Pelargonic Acid, J. Chem. Soc., 1850, 3, 240. [all data]

Timmermans, 1922
Timmermans, J., Investigation of the Freezing Point of Organic Substances VII, Bull. Soc. Chim. Belg., 1922, 31, 389. [all data]

Young, 1994
Young, C.L., Personal Commun. 1994 1994, 1994. [all data]

Brown, 1906
Brown, J.C., The critical temperature and value of ml/theta of some carbon compounds, J. Chem. Soc., Trans., 1906, 89, 311. [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]

Korhonen, 1985
Korhonen, I.O.O., Gas-liquid chromatographic analyses. XLIII. Retention increments for 2-chloro-, 2,2-dichloro- and 2,2,2-trichloroethyl esters of aliphatic C₂-C₂₀ n-alkanoic acids on SE-30 and OV-351 capillary columns, J. Chromatogr., 1985, 329, 43-56, https://doi.org/10.1016/S0021-9673(01)81894-X . [all data]

Komárek, Hornová, et al., 1982
Komárek, K.; Hornová, L.; Churácek, J., Glass capillary gas chromatography of homologous series of esters. II. Separation of homologous series of halogenoethyl esters of aliphatic monocarboxylic acids on OV-101, J. Chromatogr., 1982, 252, 293-296, https://doi.org/10.1016/S0021-9673(01)88420-X . [all data]

Shashkova, Znamenskaia, et al., 1969
Shashkova, A.A.; Znamenskaia, A.P.; Pas'ko, L.Ya., Investigation of esters of odd series halohenated acids with Kovats indices, Gazovaya Khromatografiya, 1969, 9, 40-47. [all data]

Takeoka, Buttery, et al., 1992
Takeoka, G.R.; Buttery, R.G.; Flath, R.A., Volatile constituents of Asian pear (Pyrus serotina), J. Agric. Food Chem., 1992, 40, 10, 1925-1929, https://doi.org/10.1021/jf00022a040 . [all data]

Umano, Shoji, et al., 1986
Umano, K.; Shoji, A.; Hagi, Y.; Shibamoto, T., Volatile constituents of peel of quince fruit, Cydonia oblonga Miller, J. Agric. Food Chem., 1986, 34, 4, 593-596, https://doi.org/10.1021/jf00070a003 . [all data]

Engel and Ratel, 2007
Engel, E.; Ratel, J., Correction of the data generated by mass spectrometry analyses of biological tissues: Application to food authentication, J. Chromatogr. A, 2007, 1154, 1-2, 331-341, https://doi.org/10.1016/j.chroma.2007.02.012 . [all data]

Quijano, Salamanca, et al., 2007
Quijano, C.E.; Salamanca, G.; Pino, J.A., Aroma volatile constituents of Colombian varieties of mango (Mangifera indica L.), Flavour Fragr. J., 2007, 22, 5, 401-406, https://doi.org/10.1002/ffj.1812 . [all data]

Pino, Mesa, et al., 2005
Pino, J.A.; Mesa, J.; Muñoz, Y.; Martí, M.P.; Marbot, R., Volatile components from mango (Mangifera indica L.) cultivars, J. Agric. Food Chem., 2005, 53, 6, 2213-2223, https://doi.org/10.1021/jf0402633 . [all data]

Moio and Addeo, 1998
Moio, L.; Addeo, F., Grana Padano cheese aroma, J. Dairy Res., 1998, 65, 2, 317-333, https://doi.org/10.1017/S0022029997002768 . [all data]

Moio L., Rillo L., et al., 1996
Moio L.; Rillo L.; Ledda A.; Addeo F., Odorous constituents of ovine milk in relationship to diet, J. Dairy Sci., 1996, 79, 8, 1322-1331, https://doi.org/10.3168/jds.S0022-0302(96)76488-3 . [all data]

Boulanger and Crouzet, 2001
Boulanger, R.; Crouzet, J., Identification of the aroma components of acerola (Malphigia glabra L.): free and bound flavor compounds, Food Chem., 2001, 74, 2, 209-216, https://doi.org/10.1016/S0308-8146(01)00128-5 . [all data]

Pena, Barciela, et al., 2005
Pena, R.M.; Barciela, J.; Herrero, C.; Garcia-Martin, S., Optimization of solid-phase microextraction methods for GC-MS determination of terpenes in wine, J. Sci. Food Agric., 2005, 85, 7, 1227-1234, https://doi.org/10.1002/jsfa.2121 . [all data]

Riu-Aumatell, Lopez-Tamames, et al., 2005
Riu-Aumatell, M.; Lopez-Tamames, E.; Buxaderas, S., Assessment of the Volatile Composition of Juices of Apricot, Peach, and Pear According to Two Pectolytic Treatments, J. Agric. Food Chem., 2005, 53, 20, 7837-7843, https://doi.org/10.1021/jf051397z . [all data]

Ledauphin, Saint-Clair, et al., 2004
Ledauphin, J.; Saint-Clair, J.-F.; Lablanquie, O.; Guichard, H.; Founier, N.; Guichard, E.; Barillier, D., Identification of trace volatile compounds in freshly distilled calvados and cognac using preparative separations coupled with gas chromatography-mass spectrometry, J. Agric. Food Chem., 2004, 52, 16, 5124-5134, https://doi.org/10.1021/jf040052y . [all data]

Bianchi, Careri, et al., 2007
Bianchi, F.; Careri, M.; Mangia, A.; Musci, M., Retention indices in the analysis of food aroma volatile compounds in temperature-programmed gas chromatography: Database creation and evaluation of precision and robustness, J. Sep. Sci., 2007, 39, 4, 563-572, https://doi.org/10.1002/jssc.200600393 . [all data]

Howard, Mike, et al., 2005
Howard, K.L.; Mike, J.H.; Riesen, R., Validation of a Solid-Phase Microextraction Method for Headspace Analysis of Wine Aroma Components, Am. J. Enol. Vitic, 2005, 56, 1, 37-45. [all data]

Kaack, Christensen, et al., 2005
Kaack, K.; Christensen, L.P.; Hughes, M.; Eder, R., The relationship between sensory quality and volatile compounds in raw juice processed from elderberries ( Sambucus nigra L.), Eur. Food Res. Technol., 2005, 221, 3-4, 244-254, https://doi.org/10.1007/s00217-005-1141-4 . [all data]

Ferrari, Lablanquie, et al., 2004
Ferrari, G.; Lablanquie, O.; Cantagrel, R.; Ledauphin, J.; Payot, T.; Fournier, N.; Guichard, E., Determination of key odorant compounds in freshly distilled cognac using GC-O, GC-MS, and sensory evaluation, J. Agric. Food Chem., 2004, 52, 18, 5670-5676, https://doi.org/10.1021/jf049512d . [all data]

Kumazawa, Itobe, et al., 2008
Kumazawa, K.; Itobe, T.; Nishimura, O.; Hamaguchi, T., A new approach to estimate the in-mouth release characteristics of odorants in chewing gum, Food Science and Technology Research, 2008, 14, 3, 269-276, https://doi.org/10.3136/fstr.14.269 . [all data]

Setkova, Risticevic, et al., 2007
Setkova, L.; Risticevic, S.; Pawliszyn, J., Rapid headspace solid-phase microextraction-gas chromatographic?time-of-flight mass spectrometric method for qualitative profiling of ice wine volatile fraction II: Classification of Canadian and Czech ice wines using statistical evaluation of the data, J. Chromatogr. A, 2007, 1147, 2, 224-240, https://doi.org/10.1016/j.chroma.2007.02.052 . [all data]

Fan and Qian, 2006
Fan, W.; Qian, M.C., Characterization of Aroma Compounds of Chinese Wuliangye and Jiannanchun Liquors by Aroma Extract Dilution Analysis, J. Agric. Food Chem., 2006, 54, 7, 2695-2704, https://doi.org/10.1021/jf052635t . [all data]

Fan and Qian, 2006, 2
Fan, W.; Qian, M.C., Identification of aroma compounds in Chinese 'Yanghe Daqu' liquor by normal phase chromatography fractionation followed by gas chromatography/olfactometry, Flavour Fragr. J., 2006, 21, 2, 333-342, https://doi.org/10.1002/ffj.1621 . [all data]

El-Sayed, Heppelthwaite, et al., 2005
El-Sayed, A.M.; Heppelthwaite, V.J.; Manning, L.M.; Gibb, A.R.; Suckling, D.M., Volatile constituents of fermented sugar baits and their attraction to lepidopteran species, J. Agric. Food Chem., 2005, 53, 4, 953-958, https://doi.org/10.1021/jf048521j . [all data]

Fan and Qian, 2005
Fan, W.; Qian, M.C., Headspace Solid Phase Microextraction and Gas Chromatography-Olfactometry Dilution Analysis of Young and Aged Chinese Yanghe Daqu Liquors, J. Agric. Food Chem., 2005, 53, 20, 7931-7938, https://doi.org/10.1021/jf051011k . [all data]

Vichi, Castellote, et al., 2003
Vichi, S.; Castellote, A.I.; Pizzale, L.; Conte, L.S.; Buxaderas, S.; López-Tamames, E., Analysis of virgin olive oil volatile compounds by headspace solid-phase microextraction coupled to gas chromatography with mass spectrometric and flame ionization detection, J. Chromatogr. A, 2003, 983, 1-2, 19-33, https://doi.org/10.1016/S0021-9673(02)01691-6 . [all data]

Moio, Dekimpe, et al., 1993
Moio, L.; Dekimpe, J.; Etievant, P.; Addeo, F., Neutral volatile compounds in the raw milks from different species, J. Dairy Res., 1993, 60, 2, 199-213, https://doi.org/10.1017/S0022029900027515 . [all data]

Peppard, 1992
Peppard, T.L., Volatile flavor constituents of Monstera deliciosa, J. Agric. Food Chem., 1992, 40, 2, 257-262, https://doi.org/10.1021/jf00014a018 . [all data]

Okumura, 1991
Okumura, T., retention indices of environmental chemicals on methyl silicone capillary column, Journal of Environmental Chemistry (Japan), 1991, 1, 2, 333-358, https://doi.org/10.5985/jec.1.333 . [all data]

Takeoka and Butter, 1989
Takeoka, G.; Butter, R.G., Volatile constituents of pineapple (Ananas Comosus [L.] Merr.) in Flavor Chemistry. Trends and Developments, Teranishi,R.; Buttery,R.G.; Shahidi,F., ed(s)., American Chemical Society, Washington, DC, 1989, 223-237. [all data]

Schreyen, Dirinck, et al., 1979
Schreyen, L.; Dirinck, P.; Sandra, P.; Schamp, N., Flavor analysis of quince, J. Agric. Food Chem., 1979, 27, 4, 872-876, https://doi.org/10.1021/jf60224a058 . [all data]

Robinson, Adams, et al., 2012
Robinson, A.L.; Adams, D.O.; Boss, P.K.; Heymann, H.; Solomon, P.S.; Trengove, R.D., Influence of geographic origine on the sensory characteristics and wine composition of Vitus viniferas cv. Cabernet Sauvignon wines from Australia (Supplemental data), Am. J. Enol. Vitic., 2012, 64, 4, 467-476, https://doi.org/10.5344/ajev.2012.12023 . [all data]

se Souza, Cardeal, et al., 2009
se Souza, P.P.; Cardeal, Z.DeL.; Augusti, R.; Morrison, P.; Marriott, P.J., Determination of volatile compounds in Brazilian distilled cachaca by using comprehensive two-dimensional gas chromatography and effects of production pathways, J. Chromatogr. A., 2009, 1216, 14, 2881-2890, https://doi.org/10.1016/j.chroma.2008.10.061 . [all data]

Zhao, Li, et al., 2008
Zhao, Y.; Li, J.; Xu, Y.; Duan, H.; Fan, W.; Zhao, G., EXtraction, preparation and identification of volatile compounds in Changyu XO brandy, Chinese J. Chromatogr., 2008, 26, 2, 212-222, https://doi.org/10.1016/S1872-2059(08)60014-0 . [all data]

Cajka, Hajslova, et al., 2007
Cajka, T.; Hajslova, J.; Cochran, J.; Holadova, K.; Klimankova, E., Solid phase microextraction - comprehensive two dimensional gas chromatography - time-of-flight mass spectrometry for the analysis of honey volatiles, J. Sep. Sci., 2007, 30, 4, 534-546, https://doi.org/10.1002/jssc.200600413 . [all data]

Vinogradov, 2004
Vinogradov, B.A., Production, composition, properties and application of essential oils, 2004, retrieved from http://viness.narod.ru. [all data]

Demyttenaere, Dagher, et al., 2003
Demyttenaere, J.C.R.; Dagher, C.; Sandra, P.; Kallithraka, S.; Verhé, R.; de Kimpe, N., Flavour analysis of Greek white wine by solid-phase microextraction-capillary gas chromatography-mass spectrometry, J. Chromatogr. A, 2003, 985, 1-2, 233-246, https://doi.org/10.1016/S0021-9673(02)01467-X . [all data]

Demyttenaere, Dagher, et al., 2002
Demyttenaere, J.C.R.; Dagher, C.; Verhé, R.; Sandra, P., Flavour analysis of Greek white wine using solid phase microextraction - capillary GC/MS in 25th International Symposium on Capillary Chromatography, 2002, 1-16. [all data]

Ansorena, Gimeno, et al., 2001
Ansorena, D.; Gimeno, O.; Astiasarán, I.; Bello, J., Analysis of volatile compounds by GC-MS of a dry fermented sausage: chorizo de Pamplona, Food Res. Int., 2001, 34, 1, 67-75, https://doi.org/10.1016/S0963-9969(00)00133-2 . [all data]

Madruga, Arruda, et al., 2000
Madruga, M.S.; Arruda, S.G.B.; Narain, N.; Souza, J.G., Castration and slaughter age effects on panel assessment and aroma compounds of the mestico goat meat, Meat Sci., 2000, 56, 2, 117-125, https://doi.org/10.1016/S0309-1740(00)00025-5 . [all data]

Zenkevich, 1999
Zenkevich, I.G., Mutual Correlation between Gas-Chromatographic Retention Indices of Organic Compounds from Different Series, Zh. Anal. Khim., 1999, 54, 12, 1272-1279. [all data]

Takeoka, Flath, et al., 1988
Takeoka, G.R.; Flath, R.A.; Güntert, M.; Jennings, W., Nectarine volatiles: vacuum steam distillation versus headspace sampling, J. Agric. Food Chem., 1988, 36, 3, 553-560, https://doi.org/10.1021/jf00081a037 . [all data]

Shibamoto, 1987
Shibamoto, T., Retention Indices in Essential Oil Analysis in Capillary Gas Chromatography in Essential Oil Analysis, Sandra, P.; Bicchi, C., ed(s)., Hutchig Verlag, Heidelberg, New York, 1987, 259-274. [all data]

Zhao, Xu, et al., 2009
Zhao, Y.; Xu, Y.; Li, J.; Fan, W.; Jiang, W., Profile of volatile compounds in 11 brandies by headspace solid-phase microextraction followed by gas chromatography-mass spectrometry, J. Food. Sci., 2009, 74, 2, c90-c99, https://doi.org/10.1111/j.1750-3841.2008.01029.x . [all data]

Callejon, Morales, et al., 2008
Callejon, R.M.; Morales, M.L.; Ferreira, A.C.S.; Troncoso, A.M., Defining the typical aroma of sherry vinegar: sensory and chemical approach, J. Agric. Food Chem., 2008, 56, 17, 8086-8095, https://doi.org/10.1021/jf800903n . [all data]

Prososki, Etzel, et al., 2007
Prososki, R.A.; Etzel, M.R.; Rankin, S.A., Solvent type affects the number, distribution, and relative quantities of volatile compounds found in sweet whey powder, J. Dairy Sci., 2007, 90, 2, 523-531, https://doi.org/10.3168/jds.S0022-0302(07)71535-7 . [all data]

Duque, Bonilla, et al., 2001
Duque, C.; Bonilla, A.; Bautista, E.; Zea, S., Exudation of low molecular wight compounds (thiobismethane, methyl isocyanide, amd methyl isothiocyanate) as a possible chemical defense mechanism in the marine sponge Ircinia felix, Biochem. Systematics Ecol., 2001, 29, 5, 459-467, https://doi.org/10.1016/S0305-1978(00)00081-8 . [all data]

Korány, Mednyánszky, et al., 2000
Korány, K.; Mednyánszky, Zs.; Amtmann, M., Preliminary results of a recognition method visualizing the aroma and fragrance features, Acta Aliment., 2000, 29, 2, 187-198, https://doi.org/10.1556/AAlim.29.2000.2.9 . [all data]

Mihara, Tateba, et al., 1988
Mihara, S.; Tateba, H.; Nishimura, O.; Machii, Y.; Kishino, K., The volatile components of Chinese quince (Pseudocydonia sinensis Schneid) in Flavors and Fragrances: A World Perspective. Proceedings of the 10th International Congress of Essential Oils, Fragrances and Flavors, Lawrence,B.M.; Mookherjee,B.D.; Willis,B.J., ed(s)., Elsevier, New York, 1988, 537-550. [all data]

Mihara, Tateba, et al., 1987
Mihara, S.; Tateba, H.; Nishimura, O.; Machii, Y.; Kishino, K., Volatile components of Chinese quince (Pseudocydonia sinensis Schneid), J. Agric. Food Chem., 1987, 35, 4, 532-537, https://doi.org/10.1021/jf00076a023 . [all data]

Lee, Chong, et al., 2012
Lee, P.-R.; Chong, I.S.-M.; Yu, B.; Curran, P.; Liu, S.-Q., Effect of precursors on volatile compounds in Papaya wine fermented by mixed yeasts, Uncorrected proof, 2012, 000-000. [all data]

Welke, Manfroi, et al., 2012
Welke, J.E.; Manfroi, V.; Zanus, M.; Lazarotto, M.; Zini, C.A., Characterization of the volatile profile of Brazilian merlot wines through comprehensive two dimensional gas chromatography time-of-flight mass spectrometric detection, J. Chromatogr. A, 2012, 1226, 124-139, https://doi.org/10.1016/j.chroma.2012.01.002 . [all data]

Li, Tao, et al., 2008
Li, H.; Tao, Y.-S.; Wang, H.; Zhang, L., Impact odorants of Chardonnay dry white wine from Changli Counti (China), Eur. Food. Res. Technol., 2008, 227, 1, 287-292, https://doi.org/10.1007/s00217-007-0722-9 . [all data]

Yongsheng, Hua, et al., 2008
Yongsheng, T.; Hua, L.; Hua, W.; Li, Z., Volatile composition of young Cabernet Savignon red wine from Changli Counti (China), J. Food Composition and Analysis, 2008, 21, 8, 689-694, https://doi.org/10.1016/j.jfca.2008.05.007 . [all data]

Li, Tao, et al., 2007
Li, H.; Tao, Y.-S.; Wang, H.; Zhang, L., Impact odorants of Chardonnay dry white wine from Changli County (China), Eur. Food Res. Technol., 2007, https://doi.org/10.1007/s00217-007-0722-9 . [all data]

Quijano and Pino, 2006
Quijano, C.E.; Pino, J.A., Changes in volatile constituents during the ripening of cocona (Solanum sessiliflorum Dunal) fruit, Revista CENIC Ciencias Quimicas, 2006, 37, 3, 133-136. [all data]

Peng, Yang, et al., 1991
Peng, C.T.; Yang, Z.C.; Ding, S.F., Prediction of rentention idexes. II. Structure-retention index relationship on polar columns, J. Chromatogr., 1991, 586, 1, 85-112, https://doi.org/10.1016/0021-9673(91)80028-F . [all data]

Notes

Go To: Top, Gas phase thermochemistry data, Phase change data, Gas Chromatography, References

• Symbols used in this document:
  

  Tboil	Boiling point
  Tc	Critical temperature
  Tfus	Fusion (melting) point
  ΔfH°gas	Enthalpy of formation of gas at standard conditions
  ΔvapH°	Enthalpy of vaporization at standard conditions

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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