Formic acid, propyl ester
- Formula: C4H8O2
- Molecular weight: 88.1051
- IUPAC Standard InChIKey: KFNNIILCVOLYIR-UHFFFAOYSA-N
- CAS Registry Number: 110-74-7
- 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-Propyl formate; Propyl formate; Propyl methanoate; HCOOCH2CH2CH3; Formiate de propyle; Propylester kyseliny mravenci; UN 1281; Propyl ester of formic acid
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Condensed phase thermochemistry data
Go To: Top, Phase change data, Gas phase ion energetics 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:
DH - Eugene S. Domalski and Elizabeth D. Hearing
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°solid | -500. ± 42. | kJ/mol | Ccb | Delafontaine, Sabbah, et al., 1973 | %hf298 calculated possible error by the authors; ALS |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°solid | -2217. ± 42. | kJ/mol | Ccb | Delafontaine, Sabbah, et al., 1973 | %hf298 calculated possible error by the authors; Corresponding ΔfHºsolid = -500. kJ/mol (simple calculation by NIST; no Washburn corrections); ALS |
Constant pressure heat capacity of liquid
Cp,liquid (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
172.10 | 298.15 | Pintos, Bravo, et al., 1988 | DH |
171.42 | 298.15 | Jimenez, Romani, et al., 1986 | DH |
172.07 | 298.15 | Baluja, Bravo, et al., 1985 | DH |
Phase change data
Go To: Top, Condensed phase thermochemistry data, Gas phase ion energetics 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:
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
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 354.1 ± 0.3 | K | AVG | N/A | Average of 17 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 180.3 | K | N/A | Timmermans, 1922 | Uncertainty assigned by TRC = 0.4 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tc | 538. | K | N/A | Majer and Svoboda, 1985 | |
Tc | 538.00 | K | N/A | Young, 1910 | Uncertainty assigned by TRC = 1. K; TRC |
Tc | 538.00 | K | N/A | Young and Thomas, 1893 | Uncertainty assigned by TRC = 1. K; TRC |
Tc | 533.7 | K | N/A | De Heen, 1888 | Uncertainty assigned by TRC = 4. K; TRC |
Tc | 534.0 | K | N/A | Nadezhdin, 1887 | Uncertainty assigned by TRC = 4. K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Pc | 40.61 | bar | N/A | Young, 1910 | Uncertainty assigned by TRC = 0.6079 bar; TRC |
Pc | 40.610 | bar | N/A | Young and Thomas, 1893 | Uncertainty assigned by TRC = 0.40 bar; TRC |
Pc | 43.30 | bar | N/A | Nadezhdin, 1887 | Uncertainty assigned by TRC = 3.0398 bar; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ρc | 3.511 | mol/l | N/A | Young, 1910 | Uncertainty assigned by TRC = 0.06 mol/l; TRC |
ρc | 3.513 | mol/l | N/A | Young and Thomas, 1893 | Uncertainty assigned by TRC = 0.05 mol/l; TRC |
ρc | 3.46 | mol/l | N/A | Nadezhdin, 1887 | Uncertainty assigned by TRC = 0.06 mol/l; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 37.61 | kJ/mol | N/A | Majer and Svoboda, 1985 | |
ΔvapH° | 37.5 ± 0.1 | kJ/mol | C | Svoboda, Uchytilová, et al., 1980 | AC |
ΔvapH° | 32.5 ± 0.04 | kJ/mol | V | Mathews, 1926 | ALS |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
33.61 | 354. | N/A | Majer and Svoboda, 1985 | |
35.3 | 317. | N/A | Fárková and Wichterle, 1993 | Based on data from 302. to 353. K.; AC |
32.7 | 369. | A | Stephenson and Malanowski, 1987 | Based on data from 354. to 518. K.; AC |
36.8 | 245. | A | Stephenson and Malanowski, 1987 | Based on data from 230. to 355. K.; AC |
36.5 ± 0.1 | 313. | C | Svoboda, Uchytilová, et al., 1980 | AC |
35.8 ± 0.1 | 326. | C | Cihlár, Hynek, et al., 1976 | AC |
35.4 ± 0.1 | 331. | C | Cihlár, Hynek, et al., 1976 | AC |
34.4 ± 0.1 | 344. | C | Cihlár, Hynek, et al., 1976 | AC |
33.8 ± 0.1 | 351. | C | Cihlár, Hynek, et al., 1976 | AC |
33.5 ± 0.1 | 355. | C | Cihlár, Hynek, et al., 1976 | AC |
32.9 ± 0.1 | 363. | C | Cihlár, Hynek, et al., 1976 | AC |
35.6 | 314. | N/A | Nelson, 1928 | Based on data from 299. to 355. K. See also Boublik, Fried, et al., 1984.; AC |
Enthalpy of vaporization
ΔvapH =
A exp(-βTr) (1 − Tr)β
ΔvapH =
Enthalpy of vaporization (at saturation pressure)
(kJ/mol)
Tr = reduced temperature (T / Tc)
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Temperature (K) | A (kJ/mol) | β | Tc (K) | Reference | Comment |
---|---|---|---|---|---|
298. to 363. | 56.41 | 0.2992 | 538. | Majer and Svoboda, 1985 |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (bar)
T = temperature (K)
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Temperature (K) | A | B | C | Reference | Comment |
---|---|---|---|---|---|
299.4 to 355.5 | 4.03395 | 1159.609 | -65.815 | Nelson, 1928 | Coefficents calculated by NIST from author's data. |
Gas phase ion energetics 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 evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias
L - Sharon G. Lias
Data compiled as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
View reactions leading to C4H8O2+ (ion structure unspecified)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
IE (evaluated) | 10.54 ± 0.05 | eV | N/A | N/A | L |
Quantity | Value | Units | Method | Reference | Comment |
Proton affinity (review) | 804.9 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 773.9 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
10.3 ± 0.2 | CEMS | Jalonen, Tedder, et al., 1980 | LLK |
10.50 ± 0.05 | PE | Benoit, Harrison, et al., 1977 | LLK |
10.50 | PE | Benoit and Harrison, 1977 | LLK |
10.62 | PE | Sweigart and Turner, 1972 | LLK |
10.54 ± 0.01 | PI | Watanabe, Nakayama, et al., 1962 | RDSH |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
CHO+ | 11.56 ± 0.06 | ? | EI | Brion and Dunning, 1963 | RDSH |
CHO2+ | 12.34 ± 0.04 | C3H7 | EI | Brion and Dunning, 1963 | RDSH |
CH3+ | 11.94 ± 0.02 | ? | EI | Brion and Dunning, 1963 | RDSH |
CH3O+ | 11.10 ± 0.05 | C2H5+CO | EI | Selim and Helal, 1981 | LLK |
CH3O+ | 11.9 ± 0.3 | ? | CEMS | Jalonen, Tedder, et al., 1980 | LLK |
CH3O2+ | 10.7 ± 0.2 | ? | CEMS | Jalonen, Tedder, et al., 1980 | LLK |
CH3O2+ | 10.45 ± 0.05 | CH2=CHCH2 | EI | Benoit, Harrison, et al., 1977 | LLK |
CH3O2+ | 11.0 ± 0.1 | ? | EI | Munson and Franklin, 1964 | RDSH |
C3H6+ | 10.7 ± 0.2 | HCOOH | CEMS | Jalonen, Tedder, et al., 1980 | LLK |
C3H7+ | 11.63 ± 0.05 | ? | EI | Brion and Dunning, 1963 | RDSH |
C3H7O+ | 11.0 ± 0.1 | HCO | CEMS | Jalonen, Tedder, et al., 1980 | LLK |
References
Go To: Top, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Delafontaine, Sabbah, et al., 1973
Delafontaine, J.; Sabbah, R.; Laffitte, M.,
Mesures microcalorimetriques des enthalpies de reference de formation (a l'etat condense) de composes volatils - mise au point de la technique,
Z. Phys. Chem. (Neue Folge), 1973, 84, 157-172. [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]
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]
Timmermans, 1922
Timmermans, J.,
Investigation of the Freezing Point of Organic Substances VII,
Bull. Soc. Chim. Belg., 1922, 31, 389. [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]
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]
De Heen, 1888
De Heen, P.,
Research on Physics and Theory of Liquids, Experimental Part Paris, 1888. [all data]
Nadezhdin, 1887
Nadezhdin, A.,
Rep. Phys., 1887, 23, 708. [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]
Mathews, 1926
Mathews, J.H.,
The accurate measurement of heats of vaporization of liquids,
J. Am. Chem. Soc., 1926, 48, 562-576. [all data]
Fárková and Wichterle, 1993
Fárková, J.; Wichterle, I.,
Vapour pressures of some ethyl and propyl esters of fatty acids,
Fluid Phase Equilibria, 1993, 90, 1, 143-148, https://doi.org/10.1016/0378-3812(93)85009-B
. [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]
Cihlár, Hynek, et al., 1976
Cihlár, J.; Hynek, V.; Svoboda, V.; Holub, R.,
Heats of vaporization of alkyl esters of formic acid,
Collect. Czech. Chem. Commun., 1976, 41, 1, 1-6, https://doi.org/10.1135/cccc19760001
. [all data]
Nelson, 1928
Nelson, O.A.,
Vapor Pressures of Fumigants: II---Methyl, Ethyl, n-Propyl, Isopropyl, n-Butyl, Secondary Butyl and Isobutyl Formates 1,
Ind. Eng. Chem., 1928, 20, 12, 1382-1384, https://doi.org/10.1021/ie50228a035
. [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]
Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G.,
Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update,
J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018
. [all data]
Jalonen, Tedder, et al., 1980
Jalonen, J.; Tedder, J.M.; Nidaud, P.H.,
Charge-exchange mass spectra of ethyl acetate, methyl proprionate and propyl formate,
J. Chem. Soc. Faraday Trans. 2, 1980, 76, 1450. [all data]
Benoit, Harrison, et al., 1977
Benoit, F.M.; Harrison, A.G.; Lossing, F.P.,
Hydrogen migrations in mass spectrometry III-Energetics of formation of [R'CO2H2]+ in the mass spectra of R'CO2R,
Org. Mass Spectrom., 1977, 12, 78. [all data]
Benoit and Harrison, 1977
Benoit, F.M.; Harrison, A.G.,
Predictive value of proton affinity. Ionization energy correlations involving oxygenated molecules,
J. Am. Chem. Soc., 1977, 99, 3980. [all data]
Sweigart and Turner, 1972
Sweigart, D.A.; Turner, D.W.,
Lone pair orbitals and their interactions studied by photoelectron spectroscopy. I. Carboxylic acids and their derivatives,
J. Am. Chem. Soc., 1972, 94, 5592. [all data]
Watanabe, Nakayama, et al., 1962
Watanabe, K.; Nakayama, T.; Mottl, J.,
Ionization potentials of some molecules,
J. Quant. Spectry. Radiative Transfer, 1962, 2, 369. [all data]
Brion and Dunning, 1963
Brion, C.E.; Dunning, W.J.,
Electron impact studies of simple carboxylic esters,
J. Chem. Soc. Faraday Trans., 1963, 59, 647. [all data]
Selim and Helal, 1981
Selim, E.T.M.; Helal, A.I.,
Heat of formation of CH2=OH+ fragment ion,
Indian J. Pure Appl. Phys., 1981, 19, 977. [all data]
Munson and Franklin, 1964
Munson, M.S.B.; Franklin, J.L.,
Energetics of some gaseous oxygenated organic ions,
J. Phys. Chem., 1964, 68, 3191. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, References
- Symbols used in this document:
AE Appearance energy Cp,liquid Constant pressure heat capacity of liquid IE (evaluated) Recommended ionization energy Pc Critical pressure Tboil Boiling point Tc Critical temperature Tfus Fusion (melting) point ΔcH°solid Enthalpy of combustion of solid at standard conditions ΔfH°solid Enthalpy of formation of solid 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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