Ethyl Acetate
- Formula: C4H8O2
- Molecular weight: 88.1051
- IUPAC Standard InChIKey: XEKOWRVHYACXOJ-UHFFFAOYSA-N
- 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
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Gas phase thermochemistry data
Go To: Top, Condensed phase thermochemistry data, 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 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
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | -106.46 ± 0.20 | kcal/mol | Cm | Wiberg, Crocker, et al., 1991 | ALS |
ΔfH°gas | -106.3 ± 0.1 | kcal/mol | Cm | Wiberg and Waldron, 1991 | Heat of hydrolysis; ALS |
ΔfH°gas | -106.1 | kcal/mol | N/A | Fenwick, Harrop, et al., 1978 | Value computed using ΔfHliquid° value of -478.8±0.7 kj/mol from Fenwick, Harrop, et al., 1978 and ΔvapH° value of 35.1 kj/mol from Wiberg and Waldron, 1991.; DRB |
ΔfH°gas | -106.8 | kcal/mol | N/A | Butwill and Rockenfeller, 1970 | Value computed using ΔfHliquid° value of -482.0±4.0 kj/mol from Butwill and Rockenfeller, 1970 and ΔvapH° value of 35.1 kj/mol from Wiberg and Waldron, 1991.; DRB |
Quantity | Value | Units | Method | Reference | Comment |
S°gas | 86.699 | cal/mol*K | N/A | Stull D.R., 1969 | The value of 377.02 J/mol*K was determined from equilibrium study [ Vvedenskii A.A., 1949]. The S(298.15 K)=365.6 J/mol*K was calculated from data for related compounds by difference method [ Dorofeeva O.V., 1997]. Please also see Parks G.S., 1933.; GT |
Constant pressure heat capacity of gas
Cp,gas (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
30.072 | 360. | Connett J.E., 1976 | GT |
31.324 | 380. | ||
32.557 | 400. | ||
34.130 | 425. | ||
35.724 | 450. |
Constant pressure heat capacity of gas
Cp,gas (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
27.161 | 298.15 | Stull D.R., 1969 | Selected values were based on extrapolation of heat capacity data [ Bennewitz K., 1938, Jatkar S.K.K., 1939] to high temperatures.; GT |
27.239 | 300. | ||
32.839 | 400. | ||
38.700 | 500. | ||
43.650 | 600. | ||
47.689 | 700. | ||
51.011 | 800. | ||
53.750 | 900. | ||
56.049 | 1000. |
Condensed phase thermochemistry data
Go To: Top, Gas phase thermochemistry data, 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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°liquid | -114.86 ± 0.19 | kcal/mol | Cm | Wiberg, Crocker, et al., 1991 | ALS |
ΔfH°liquid | -114.69 ± 0.11 | kcal/mol | Cm | Wiberg and Waldron, 1991 | Heat of hydrolysis; ALS |
ΔfH°liquid | -114.44 ± 0.17 | kcal/mol | Ccb | Fenwick, Harrop, et al., 1978 | ALS |
ΔfH°liquid | -115.20 ± 0.95 | kcal/mol | Ccb | Butwill and Rockenfeller, 1970 | ALS |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°liquid | -535.02 ± 0.11 | kcal/mol | Ccb | Fenwick, Harrop, et al., 1978 | Corresponding ΔfHºliquid = -114.44 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS |
ΔcH°liquid | -534.27 ± 0.94 | kcal/mol | Ccb | Butwill and Rockenfeller, 1970 | Corresponding ΔfHºliquid = -115.19 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS |
ΔcH°liquid | -539.1 | kcal/mol | Ccb | Roth and Muller, 1929 | Corresponding ΔfHºliquid = -110.4 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS |
ΔcH°liquid | -536.9 | kcal/mol | Ccb | Guinchant, 1918 | Corresponding ΔfHºliquid = -112.6 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS |
Quantity | Value | Units | Method | Reference | Comment |
S°liquid | 62.00 | cal/mol*K | N/A | Parks, Huffman, et al., 1933 | Extrapolation below 90 K, 62.80 J/mol*K.; DH |
Constant pressure heat capacity of liquid
Cp,liquid (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
40.378 | 298.15 | Pintos, Bravo, et al., 1988 | DH |
40.772 | 298.32 | Zabransky, Hynek, et al., 1987 | T = 294 to 340 K. Unsmoothed experimental datum.; DH |
40.464 | 298.15 | Jimenez, Romani, et al., 1986 | DH |
40.406 | 298.15 | Baluja, Bravo, et al., 1985 | DH |
40.54 | 298.15 | Costas and Patterson, 1985 | T = 283.15, 298.15, 313.15 K.; DH |
40.54 | 298.15 | Costas and Patterson, 1985, 2 | DH |
40.01 | 298.15 | Fuchs, 1979 | DH |
40.51 | 298.1 | Roux, Perron, et al., 1978 | T = 283 to 313 K.; DH |
40.349 | 303.61 | Zhdanov, 1945 | T = 5 to 46°C. Value is unsmoothed experimental datum.; DH |
37.69 | 290. | Kurnakov and Voskresenskaya, 1936 | DH |
40.440 | 293.6 | Parks, Huffman, et al., 1933 | T = 92 to 294 K. Value is unsmoothed experimental datum.; DH |
Phase change data
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry 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 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
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 350.2 ± 0.2 | K | AVG | N/A | Average of 58 out of 72 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 190. ± 1. | K | AVG | N/A | Average of 6 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Ttriple | 189.3 | K | N/A | Wilhoit, Chao, et al., 1985 | Uncertainty assigned by TRC = 0.05 K; TRC |
Ttriple | 189.3 | K | N/A | Parks, Huffman, et al., 1933, 2 | Uncertainty assigned by TRC = 0.2 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tc | 530. ± 20. | K | AVG | N/A | Average of 7 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Pc | 38.31 | atm | N/A | Ambrose, Ellender, et al., 1981 | Uncertainty assigned by TRC = 0.0382 atm; Visual; TRC |
Pc | 37.80 | atm | N/A | Young, 1910 | Uncertainty assigned by TRC = 0.8000 atm; TRC |
Pc | 38.013 | atm | N/A | Young and Thomas, 1893 | Uncertainty assigned by TRC = 0.39 atm; TRC |
Pc | 39.65 | atm | N/A | Nadezhdin, 1887 | Uncertainty assigned by TRC = 2.0000 atm; TRC |
Pc | 42.24 | atm | N/A | Sajots, 1879 | Uncertainty assigned by TRC = 4.000 atm; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ρc | 3.492 | mol/l | N/A | Young, 1910 | Uncertainty assigned by TRC = 0.06 mol/l; TRC |
ρc | 3.497 | mol/l | N/A | Young and Thomas, 1893 | Uncertainty assigned by TRC = 0.05 mol/l; TRC |
ρc | 3.397 | mol/l | N/A | Nadezhdin, 1887 | Uncertainty assigned by TRC = 0.06 mol/l; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 8.3 ± 0.4 | kcal/mol | AVG | N/A | Average of 9 values; Individual data points |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
7.634 | 350.3 | N/A | Majer and Svoboda, 1985 | |
8.15 | 315. | N/A | Hernández and Ortega, 1997 | Based on data from 300. to 390. K.; AC |
8.53 | 303. | A | Stephenson and Malanowski, 1987 | Based on data from 288. to 351. K. See also Polák and Mertl, 1965 and Dykyj, 1971.; AC |
8.77 | 286. | N/A | Ambrose, Ellender, et al., 1981, 2 | Based on data from 271. to 373. K. See also Boublik, Fried, et al., 1984.; AC |
8.27 ± 0.02 | 313. | C | Svoboda, Uchytilová, et al., 1980 | AC |
7.50 ± 0.02 | 343. | C | Svoboda, Uchytilová, et al., 1980 | AC |
8.08 ± 0.02 | 326. | C | Svoboda, Veselý, et al., 1977 | AC |
7.98 ± 0.02 | 331. | C | Svoboda, Veselý, et al., 1977 | AC |
7.74 ± 0.02 | 344. | C | Svoboda, Veselý, et al., 1977 | AC |
7.62 ± 0.02 | 351. | C | Svoboda, Veselý, et al., 1977 | AC |
7.41 ± 0.02 | 363. | C | Svoboda, Veselý, et al., 1977 | AC |
8.13 | 320. | N/A | Connett, Counsell, et al., 1976 | AC |
7.62 | 350. | N/A | Connett, Counsell, et al., 1976 | AC |
Enthalpy of vaporization
ΔvapH =
A exp(-βTr) (1 − Tr)β
ΔvapH =
Enthalpy of vaporization (at saturation pressure)
(kcal/mol)
Tr = reduced temperature (T / Tc)
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Temperature (K) | A (kcal/mol) | β | Tc (K) | Reference | Comment |
---|---|---|---|---|---|
298. to 363. | 12.97 | 0.2982 | 523.2 | Majer and Svoboda, 1985 |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (atm)
T = temperature (K)
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Temperature (K) | A | B | C | Reference | Comment |
---|---|---|---|---|---|
288.73 to 348.98 | 4.22238 | 1245.702 | -55.189 | Polák and Mertl, 1965 | Coefficents calculated by NIST from author's data. |
Enthalpy of fusion
ΔfusH (kcal/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
2.505 | 189.3 | Acree, 1991 | AC |
2.5050 | 189.3 | Parks, Huffman, et al., 1933 | DH |
Entropy of fusion
ΔfusS (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
13.21 | 189.3 | Parks, Huffman, et al., 1933 | DH |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, 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]
Roth and Muller, 1929
Roth, W.A.; Muller, Fr.,
Die Zersetzungswarme der Stickstoffwasserstoffsaure,
Ber., 1929, 62, 1188-1194. [all data]
Guinchant, 1918
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]
Ambrose, Ellender, et al., 1981
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]
Nadezhdin, 1887
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]
Majer and Svoboda, 1985
Majer, V.; Svoboda, V.,
Enthalpies of Vaporization of Organic Compounds: A Critical Review and Data Compilation, Blackwell Scientific Publications, Oxford, 1985, 300. [all data]
Hernández and Ortega, 1997
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]
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]
Polák and Mertl, 1965
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]
Dykyj, 1971
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]
Boublik, Fried, et al., 1984
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]
Svoboda, Uchytilová, et al., 1980
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]
Svoboda, Veselý, et al., 1977
Svoboda, V.; Veselý, F.; Holub, R.; Pick, J.,
Heats of vaporization of alkyl acetates and propionates,
Collect. Czech. Chem. Commun., 1977, 42, 3, 943-951, https://doi.org/10.1135/cccc19770943
. [all data]
Connett, Counsell, et al., 1976
Connett, J.E.; Counsell, J.F.; Lee, D.A.,
Thermodynamic properties of organic oxygen compounds XLIV. Vapour heat capacities and enthalpies of vaporization of methyl acetate, ethyl acetate, and propyl acetate,
The Journal of Chemical Thermodynamics, 1976, 8, 12, 1199-1203, https://doi.org/10.1016/0021-9614(76)90129-4
. [all data]
Acree, 1991
Acree, William E.,
Thermodynamic properties of organic compounds: enthalpy of fusion and melting point temperature compilation,
Thermochimica Acta, 1991, 189, 1, 37-56, https://doi.org/10.1016/0040-6031(91)87098-H
. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, 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 Tboil Boiling point Tc Critical temperature Tfus Fusion (melting) point Ttriple Triple point temperature 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 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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