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Eicosanoic acid, ethyl ester

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Condensed phase thermochemistry data

Go To: Top, 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
Deltacsolid-13895. ± 1.kJ/molCcbFreedman, Bagby, et al., 1989Corresponding «DELTA»fsolid = -1051. kJ/mol (simple calculation by NIST; no Washburn corrections)

Phase change data

Go To: Top, 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:
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
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Tfus314.52KN/ABecker and Strating, 1940Uncertainty assigned by TRC = 1. K; TRC

Reduced pressure boiling point

Tboil (K) Pressure (bar) Reference Comment
569.20.133Weast and Grasselli, 1989BS
459.70.003Weast and Grasselli, 1989BS

Enthalpy of vaporization

DeltavapH (kJ/mol) Temperature (K) Method Reference Comment
113.7333.AStephenson and Malanowski, 1987Based on data from 318. - 460. K.; AC

Enthalpy of sublimation

DeltasubH (kJ/mol) Temperature (K) Method Reference Comment
171.5310.MEStephenson and Malanowski, 1987Based on data from 307. - 313. K. See also Omar, 1967.; AC

Enthalpy of fusion

DeltafusH (kJ/mol) Temperature (K) Reference Comment
68.62315.Omar, 1967AC

Enthalpy of phase transition

DeltaHtrs (kJ/mol) Temperature (K) Initial Phase Final Phase Reference Comment
7.781396.65crystaline, II, ácrystaline, I, à transitionKing and Garner, 1934DH
15.575313.51crystaline, I, àliquid, liq transitionKing and Garner, 1934DH

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

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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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IR spectrum
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Notice: Concentration information is not available for this spectrum and, therefore, molar absorptivity values cannot be derived.

Additional Data

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Download spectrum in JCAMP-DX format.

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

This IR spectrum is from the NIST/EPA Gas-Phase Infrared Database .


Mass spectrum (electron ionization)

Go To: Top, 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

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Mass spectrum
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Additional Data

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

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Download spectrum in JCAMP-DX format.

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 NIST Mass Spectrometry Data Center
NIST MS number 412974

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

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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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Column type Active phase Temperature (C) I Reference Comment
CapillarySE-30200.2378.Korhonen, 1985N2; Column length: 25. m; Column diameter: 0.33 mm
CapillarySE-30220.2383.Korhonen, 1985N2; Column length: 25. m; Column diameter: 0.33 mm

Kovats' RI, polar column, isothermal

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Column type Active phase Temperature (C) I Reference Comment
CapillaryOV-351140.2649.Korhonen, 1985N2; Column length: 25. m; Column diameter: 0.32 mm
CapillaryOV-351160.2649.Korhonen, 1985N2; Column length: 25. m; Column diameter: 0.32 mm
CapillaryOV-351180.2662.Korhonen, 1985N2; Column length: 25. m; Column diameter: 0.32 mm
CapillaryOV-351200.2660.Korhonen, 1985N2; Column length: 25. m; Column diameter: 0.32 mm
CapillaryOV-351220.2664.Korhonen, 1985N2; Column length: 25. m; Column diameter: 0.32 mm

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

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Column type Active phase I Reference Comment
CapillarySE-302379.Korhonen, 1985N2, 6. K/min; Column length: 25. m; Column diameter: 0.33 mm; Tstart: 100. C; Tend: 320. C

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

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Column type Active phase I Reference Comment
CapillaryHP-5MS2394.2Andriamaharavo, 201430. m/0.25 mm/0.25 «mu»m, He; Program: 60C (1 min) => 5 C/min => 210C => 10 C/min => 280C (15 min)
CapillaryHP-52400.Isidorov, Krajewska, et al., 200130. m/0.25 mm/0.25 «mu»m, He; Program: 50C => 6C/min => 100C => 4C/min => 280C

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

View large format table.

Column type Active phase I Reference Comment
CapillaryOV-3512657.Korhonen, 1985N2, 6. K/min; Column length: 25. m; Column diameter: 0.32 mm; Tstart: 100. C; Tend: 230. C

Normal alkane RI, non-polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryUltra-12373.Okumura, 199125. m/0.32 mm/0.25 «mu»m, He, 3. K/min; Tstart: 80. C; Tend: 260. C

Normal alkane RI, polar column, custom temperature program

View large format table.

Column type Active phase I Reference Comment
CapillaryHP-Innowax FSC2670.Erdemoglu, Sener, et al., 200360. m/0.25 mm/0.25 «mu»m, He; Program: 60C(10min) => 4C/min => 220C(10min) => 1C/min => 240C

References

Go To: Top, 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.

Freedman, Bagby, et al., 1989
Freedman, B.; Bagby, M.O.; Khoury, H., Correlation of heats of combustion with empirical formulas for fatty alcohols, J. Am. Oil Chem. Soc., 1989, 66, 595-596. [all data]

Becker and Strating, 1940
Becker, H.J.; Strating, J., Preparation of Several Crystalline Aliphatic Hydrocarbons in the Pure State, Rec. Trav. Chim., 1940, 59, 933-46. [all data]

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]

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]

Omar, 1967
Omar, M.M., Vapour pressures, heats of sublimation, and heats of vaporisation for straight-chain ethyl esters, J. Chem. Soc., C, 1967, 2038, https://doi.org/10.1039/j39670002038 . [all data]

King and Garner, 1934
King, A.M.; Garner, W.E., The heats of crystallisation of the ethyl esters of the monobasic aliphatic acids, 1934, J. [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]

Andriamaharavo, 2014
Andriamaharavo, N.R., Retention Data. NIST Mass Spectrometry Data Center., NIST Mass Spectrometry Data Center, 2014. [all data]

Isidorov, Krajewska, et al., 2001
Isidorov, V.A.; Krajewska, U.; Dubis, E.N.; Jdanova, M.A., Partition coefficients of alkyl aromatic hydrocarbons and esters in a hexane-acetonitrile system, J. Chromatogr. A, 2001, 923, 1-2, 127-136, https://doi.org/10.1016/S0021-9673(01)00929-3 . [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]

Erdemoglu, Sener, et al., 2003
Erdemoglu, N.; Sener, B.; Demirci, B.; Baser, K.H.C., The glycosidically bound volatile compounds of Taxus baccata, Chem. Nat. Compd. (Engl. Transl.), 2003, 39, 2, 195-198, https://doi.org/10.1023/A:1024870031960 . [all data]


Notes

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