Ethyl Acetate

• Formula: C₄H₈O₂
• Molecular weight: 88.1051
• IUPAC Standard InChI: InChI=1S/C4H8O2/c1-3-6-4(2)5/h3H2,1-2H3 Copy

  
• IUPAC Standard InChIKey: XEKOWRVHYACXOJ-UHFFFAOYSA-N Copy
• CAS Registry Number: 141-78-6
• 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: Acetic acid, ethyl ester; Acetic ether; Acetidin; Acetoxyethane; Ethyl acetic ester; Ethyl ethanoate; Vinegar naphtha; CH3COOC2H5; Aethylacetat; Essigester; Ethyle (acetate d'); Etile (acetato di); Ethylacetaat; Ethylester kyseliny octove; Rcra waste number U112; UN 1173; Ethyl ester of acetic acid; 1-Acetoxyethane; NSC 70930; ac. acetic ethyl ester
• Permanent link for this species. Use this link for bookmarking this species for future reference.
• Information on this page:
  • Gas phase thermochemistry data
  • Condensed phase thermochemistry data
  • Phase change data
  • Reaction thermochemistry data
  • Henry's Law data
  • IR Spectrum
  • Mass spectrum (electron ionization)
  • References
  • Notes
• Other data available:
  • Gas phase ion energetics data
  • Ion clustering data
  • Gas Chromatography
• Data at other public NIST sites:
  • Computational Chemistry Comparison and Benchmark Database
  • Gas Phase Kinetics Database
  • X-ray Photoelectron Spectroscopy Database, version 5.0
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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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
GT - Glushko Thermocenter, Russian Academy of Sciences, Moscow

Constant pressure heat capacity of gas

Constant pressure heat capacity of gas

Condensed 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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing

Constant pressure heat capacity of liquid

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
AC - William E. Acree, Jr., James S. Chickos
DRB - Donald R. Burgess, Jr.
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing

Enthalpy of vaporization

Enthalpy of vaporization

Δ_vapH = A exp(-βT_r) (1 − T_r)^β
    Δ_vapH = Enthalpy of vaporization (at saturation pressure) (kJ/mol)
    T_r = reduced temperature (T / T_c)

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Antoine Equation Parameters

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

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Enthalpy of fusion

Entropy of fusion

Reaction 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 as indicated in comments:
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
B - John E. Bartmess
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

Individual Reactions

C₃H₉Si⁺ +  = (C₃H₉Si⁺ • )

By formula: C₃H₉Si⁺ + C₄H₈O₂ = (C₃H₉Si⁺ • C₄H₈O₂)

Free energy of reaction

C₃H₉Sn⁺ +  = (C₃H₉Sn⁺ • )

By formula: C₃H₉Sn⁺ + C₄H₈O₂ = (C₃H₉Sn⁺ • C₄H₈O₂)

Free energy of reaction

C₄H₇O₂^- +  =

By formula: C₄H₇O₂^- + H⁺ = C₄H₈O₂

C₄H₉O₂⁺ +  = (C₄H₉O₂⁺ • )

By formula: C₄H₉O₂⁺ + C₄H₈O₂ = (C₄H₉O₂⁺ • C₄H₈O₂)

Bond type: Hydrogen bonds of the type OH-O between organics

 +  = ( • )

By formula: NO^- + C₄H₈O₂ = (NO^- • C₄H₈O₂)

 +  =

By formula: C₄H₆O₂ + H₂ = C₄H₈O₂

 +  =  +  + 

By formula: C₉H₁₆N₂O₂ + H₂O = C₄H₈O₂ + C₃H₄N₂ + C₂H₆O

 +  =  + 

By formula: C₄H₈O₂ + H₂O = C₂H₆O + C₂H₄O₂

 +  =  + 

By formula: C₂H₆O + C₂H₄O₂ = C₄H₈O₂ + H₂O

 +  = 2

By formula: H₂ + C₄H₈O₂ = 2C₂H₆O

 +  =

By formula: C₂H₂O + C₂H₆O = C₄H₈O₂

Henry's Law 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: Rolf Sander

Henry's Law constant (water solution)

k_H(T) = k°_H exp(d(ln(k_H))/d(1/T) ((1/T) - 1/(298.15 K)))
k°_H = Henry's law constant for solubility in water at 298.15 K (mol/(kg*bar))
d(ln(k_H))/d(1/T) = Temperature dependence constant (K)

IR Spectrum

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Data compiled by: Coblentz Society, Inc.

• GAS (20 mmHg, N2 ADDED, TOTAL PRESSURE 600 mmHg); DOW KBr FOREPRISM-GRATING; DIGITIZED BY NIST FROM HARD COPY (FROM TWO SEGMENTS); 2 cm^-1 resolution
• SOLUTION (10% IN CCl4 FOR 3800-1300, 10% IN CS2 FOR 1300-650, 10% IN CCl4 FOR 650-250 CM^-1) VERSUS SOLVENT; PERKIN-ELMER 521 (GRATING); DIGITIZED BY NIST FROM HARD COPY (FROM TWO SEGMENTS); 4 cm^-1 resolution

Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director

• gas

Data compiled by: Pamela M. Chu, Franklin R. Guenther, George C. Rhoderick, and Walter J. Lafferty

• gas; IFS66V (Bruker); 3-Term B-H Apodization
  0.1250, 0.2410, 0.4820, 0.9640, 1.9290 cm^-1 resolution
• gas; IFS66V (Bruker); Boxcar Apodization
  0.1250, 0.2410, 0.4820, 0.9640, 1.9290 cm^-1 resolution
• gas; IFS66V (Bruker); Happ Genzel Apodization
  0.1250, 0.2410, 0.4820, 0.9640, 1.9290 cm^-1 resolution
• gas; IFS66V (Bruker); NB Strong Apodization
  0.1250, 0.2410, 0.4820, 0.9640, 1.9290 cm^-1 resolution
• gas; IFS66V (Bruker); Triangular Apodization
  0.1250, 0.2410, 0.4820, 0.9640, 1.9290 cm^-1 resolution

Mass spectrum (electron ionization)

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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

Spectrum

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Additional Data

References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Henry's Law data, IR Spectrum, Mass spectrum (electron ionization), Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Wiberg, Crocker, et al., 1991
Wiberg, K.B.; Crocker, L.S.; Morgan, K.M., Thermochemical studies of carbonyl compounds. 5. Enthalpies of reduction of carbonyl groups, J. Am. Chem. Soc., 1991, 113, 3447-3450. [all data]

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]

Fenwick, Harrop, et al., 1978
Fenwick, J.O.; Harrop, D.; Head, A.J., Thermodynamic properties of organic oxygen compounds. 46. Enthalpies of formation of ethyl acetate and 1-hexanoix acid, J. Chem. Thermodyn., 1978, 10, 687-690. [all data]

Butwill and Rockenfeller, 1970
Butwill, M.E.; Rockenfeller, J.D., Heats of combustion and formation of ethyl acetate and isopropyl acetate, Thermochim. Acta, 1970, 1, 289-295. [all data]

Stull D.R., 1969
Stull D.R., Jr., The Chemical Thermodynamics of Organic Compounds. Wiley, New York, 1969. [all data]

Vvedenskii A.A., 1949
Vvedenskii A.A., Thermodynamics of the dehydrogenation reactions of alcohols. The equilibrium 2 C2H5OH = CH3COOC2H5 + 2 H2, Zh. Obshch. Khim., 1949, 19, 1094-1100. [all data]

Dorofeeva O.V., 1997
Dorofeeva O.V., Unpublished results. Thermocenter of Russian Academy of Science, Moscow, 1997. [all data]

Parks G.S., 1933
Parks G.S., Thermal data on organic compounds. XI. The heat capacities, entropies and free energies of ten compounds containing oxygen or nitrogen, J. Am. Chem. Soc., 1933, 55, 2733-2740. [all data]

Connett J.E., 1976
Connett J.E., Thermodynamic properties of organic oxygen compounds. XLIV. Vapor heat capacities and enthalpies of vaporization of methyl acetate, ethyl acetate, and propyl acetate, J. Chem. Thermodyn., 1976, 8, 1199-1203. [all data]

Bennewitz K., 1938
Bennewitz K., Molar heats of vapor organic compounds, Z. Phys. Chem. (Leipzig), 1938, B39, 126-144. [all data]

Jatkar S.K.K., 1939
Jatkar S.K.K., Supersonic velocity in gases and vapors. VI. Specific heats of the vapors of alcohols and ethyl acetate, J. Indian Inst. Sci., 1939, A22, 39-58. [all data]

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Roth, W.A.; Muller, Fr., Die Zersetzungswarme der Stickstoffwasserstoffsaure, Ber., 1929, 62, 1188-1194. [all data]

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Guinchant, M.J., Etude sur la fonction acide dans les derives metheniques et methiniques, Ann. Chem., 1918, 10, 30-84. [all data]

Parks, Huffman, et al., 1933
Parks, G.S.; Huffman, H.M.; Barmore, M., Thermal data on organic compounds. XI. The heat capacities, entropies and free energies of ten compounds containing oxygen or nitrogen. J. Am. Chem. Soc., 1933, 55, 2733-2740. [all data]

Pintos, Bravo, et al., 1988
Pintos, M.; Bravo, R.; Baluja, M.C.; Paz Andrade, M.I.; Roux-Desgranges, G.; Grolier, J.-P.E., Can. J. Chem., 1988, 1179. [all data]

Zabransky, Hynek, et al., 1987
Zabransky, M.; Hynek, V.; Finkeova-Hastabova, J.; Vesely, F., Heat capacities of six liquid esters as a function of temperature, Coll. Czech. Chem. Comm., 1987, 52, 251-256. [all data]

Jimenez, Romani, et al., 1986
Jimenez, E.; Romani, L.; Paz Andrade, M.I.; Roux-Desgranges, G.; Grolier, J.-P.E., Molar excess heat capacities and volumes for mixtures of alkanoates with cyclohexane at 25°C, J. Solution Chem., 1986, 15(11), 879-890. [all data]

Baluja, Bravo, et al., 1985
Baluja, M.C.; Bravo, R.; Pintos, M.; Paz Andrade, M.I.; Roux-Desgranges, G.; Grolier, J.-P.E., Unusual dependence on concentration of the excess heat capacities of ester solutions in alkanes, Calorim. Anal. Therm., 1985, 16, 138-144. [all data]

Costas and Patterson, 1985
Costas, M.; Patterson, D., Heat capacities of water + organic-solvent mixtures, J. Chem. Soc., Faraday Trans. 1, 1985, 81, 2381-2398. [all data]

Costas and Patterson, 1985, 2
Costas, M.; Patterson, D., Self-association of alcohols in inert solvents, J. Chem. Soc., Faraday Trans. 1, 1985, 81, 635-654. [all data]

Fuchs, 1979
Fuchs, R., Heat capacities of some liquid aliphatic, alicyclic, and aromatic esters at 298.15 K, J. Chem. Thermodyn., 1979, 11, 959-961. [all data]

Roux, Perron, et al., 1978
Roux, G.; Perron, G.; Desnoyers, J.E., The heat capacities and volumes of some low molecular weight amides, ketones, esters, and ethers in water over the whole solubility range, Can. J. Chem., 1978, 56, 2808-2814. [all data]

Zhdanov, 1945
Zhdanov, A.K., On the thermal capacity of some pure liquids and azeotropic mixtures, Zhur. Obshch. Khim., 1945, 15, 895-902. [all data]

Kurnakov and Voskresenskaya, 1936
Kurnakov, N.S.; Voskresenskaya, N.K., Calorimetry of liquid binary systems, Izv. Akad. Nauk SSSR, Otdel. Mat. i Estestv. Nauk. Ser. Khim, 1936, 1936, 439-461. [all data]

Wilhoit, Chao, et al., 1985
Wilhoit, R.C.; Chao, J.; Hall, K.R., Thermodynamic Properties of Key Organic Compounds in the Carbon Range C1 to C4. Part 1. Properties of Condensed Phases, J. Phys. Chem. Ref. Data, 1985, 14, 1. [all data]

Parks, Huffman, et al., 1933, 2
Parks, G.S.; Huffman, H.M.; Barmore, M., Thermal Data on Organic Compounds. XI. The Heat Capacities, Entropies and Free Energies of Ten Compounds Containing Oxygen or Nitrogen, J. Am. Chem. Soc., 1933, 55, 7, 2733, https://doi.org/10.1021/ja01334a016 . [all data]

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Ambrose, D.; Ellender, J.H.; Gundry, H.A.; Lee, D.A.; Townsend, R., Thermodynamic properties of organic oxygen compounds. LI. The vapour pressures of some esters and fatty acids, J. Chem. Thermodyn., 1981, 13, 795. [all data]

Young, 1910
Young, S., The Internal Heat of Vaporization constants of thirty pure substances, Sci. Proc. R. Dublin Soc., 1910, 12, 374. [all data]

Young and Thomas, 1893
Young, S.; Thomas, G.L., The vapour pressures, molecular volumes, and critical constants of ten of the lower esters, J. Chem. Soc., 1893, 63, 1191. [all data]

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Nadezhdin, A., Rep. Phys., 1887, 23, 708. [all data]

Sajots, 1879
Sajots, W., Vapor Pressures of Saturated Vapors at High Temperatures., Beibl. Ann. Phys., 1879, 3, 741-3. [all data]

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Hernández, Pablo; Ortega, Juan, Vapor-Liquid Equilibria and Densities for Ethyl Esters (Ethanoate to Butanoate) and Alkan-2-ol (C ₃ -C ₄ ) at 101.32 kPa, J. Chem. Eng. Data, 1997, 42, 6, 1090-1100, https://doi.org/10.1021/je970077b . [all data]

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Polák, J.; Mertl, I., Saturated vapour pressure of methyl acetate, ethyl acetate, n-propyl acetate, methyl propionate, and ethyl propionate, Collect. Czech. Chem. Commun., 1965, 30, 10, 3526-3528, https://doi.org/10.1135/cccc19653526 . [all data]

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Dykyj, J., Petrochemia, 1971, 11, 2, 27. [all data]

Ambrose, Ellender, et al., 1981, 2
Ambrose, D.; Ellender, J.H.; Gundry, H.A.; Lee, D.A.; Townsend, R., Thermodynamic properties of organic oxygen compounds LI. The vapour pressures of some esters and fatty acids, The Journal of Chemical Thermodynamics, 1981, 13, 8, 795-802, https://doi.org/10.1016/0021-9614(81)90069-0 . [all data]

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Boublik, T.; Fried, V.; Hala, E., The Vapour Pressures of Pure Substances: Selected Values of the Temperature Dependence of the Vapour Pressures of Some Pure Substances in the Normal and Low Pressure Region, 2nd ed., Elsevier, New York, 1984, 972. [all data]

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Svoboda, Václav; Uchytilová, Vera; Majer, Vladimír; Pick, Jirí, Heats of vaporization of alkyl esters of formic, acetic and propionic acids, Collect. Czech. Chem. Commun., 1980, 45, 12, 3233-3240, https://doi.org/10.1135/cccc19803233 . [all data]

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Haas, Giblin, et al., 1998
Haas, G.W.; Giblin, D.E.; Gross, M.L., The Mechanism and Thermodynamics of Transesterification of Acetate-Ester Enolates in the Gas Phase, Int. J. Mass Spectrom. Ion Proc., 1998, 172, 1-2, 25, https://doi.org/10.1016/S0168-1176(97)83245-4 . [all data]

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Notes

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Henry's Law data, IR Spectrum, Mass spectrum (electron ionization), References

• Symbols used in this document:
  

  Cp,gas	Constant pressure heat capacity of gas
  Cp,liquid	Constant pressure heat capacity of liquid
  Pc	Critical pressure
  S°gas	Entropy of gas at standard conditions
  S°liquid	Entropy of liquid at standard conditions
  T	Temperature
  Tboil	Boiling point
  Tc	Critical temperature
  Tfus	Fusion (melting) point
  Ttriple	Triple point temperature
  d(ln(kH))/d(1/T)	Temperature dependence parameter for Henry's Law constant
  k°H	Henry's Law constant at 298.15K
  ΔcH°liquid	Enthalpy of combustion of liquid at standard conditions
  ΔfH°gas	Enthalpy of formation of gas at standard conditions
  ΔfH°liquid	Enthalpy of formation of liquid at standard conditions
  ΔfusH	Enthalpy of fusion
  ΔfusS	Entropy of fusion
  ΔrG°	Free energy of reaction at standard conditions
  ΔrH°	Enthalpy of reaction at standard conditions
  ΔrS°	Entropy of reaction at standard conditions
  ΔvapH	Enthalpy of vaporization
  ΔvapH°	Enthalpy of vaporization at standard conditions
  ρc	Critical density

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