Pentanoic acid, propyl ester
- Formula: C8H16O2
- Molecular weight: 144.2114
- IUPAC Standard InChIKey: ROJKPKOYARNFNB-UHFFFAOYSA-N
- CAS Registry Number: 141-06-0
- 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: Valeric acid, propyl ester; n-Propyl n-valerate; Propyl valerate; Propyl pentanoate; n-propyl pentanoate
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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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔcH°liquid | -1159.60 ± 0.30 | kcal/mol | Ccb | Schjanberg, 1937 | Reanalyzed by Cox and Pilcher, 1970, Original value = -1158.7 ± 0.9 kcal/mol; At 293 K; Corresponding ΔfHºliquid = -139.33 kcal/mol (simple calculation by NIST; no Washburn corrections) |
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:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 440.7 | K | N/A | Weast and Grasselli, 1989 | BS |
Tboil | 440.7 | K | N/A | Gill and Dexter, 1934 | Uncertainty assigned by TRC = 1. K; TRC |
Tboil | 440.7 | K | N/A | Gartenmeister, 1886 | Uncertainty assigned by TRC = 2. K; TRC |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
9.5 | 293. | V | Schjanberg, 1937 | At 293 K; ALS |
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 by: Michael M. Meot-Ner (Mautner) and Sharon G. Lias
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
By formula: CH6N+ + C8H16O2 = (CH6N+ • C8H16O2)
Bond type: Hydrogen bonds of the type NH+-O between organics
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 30.0 | kcal/mol | PHPMS | Meot-Ner, 1984 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 34.8 | cal/mol*K | PHPMS | Meot-Ner, 1984 | gas phase |
Ion clustering 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: Michael M. Meot-Ner (Mautner) and Sharon G. Lias
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. Searches may be limited to ion clustering reactions. A general reaction search form is also available.
Clustering reactions
By formula: CH6N+ + C8H16O2 = (CH6N+ • C8H16O2)
Bond type: Hydrogen bonds of the type NH+-O between organics
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 30.0 | kcal/mol | PHPMS | Meot-Ner, 1984 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 34.8 | cal/mol*K | PHPMS | Meot-Ner, 1984 | gas phase |
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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Notice: Concentration information is not available for this spectrum and, therefore, molar absorptivity values cannot be derived.
Additional Data
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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 | NIST Mass Spectrometry Data Center |
State | gas |
Instrument | HP-GC/MS/IRD |
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
View image of digitized spectrum (can be printed in landscape orientation).
Due to licensing restrictions, this spectrum cannot be downloaded.
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 | Japan AIST/NIMC Database- Spectrum MS-NW-5438 |
NIST MS number | 235033 |
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
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | OV-101 | 80. | 979. | Komárek, Hornová, et al., 1983 | Column length: 15. m; Column diameter: 0.22 mm |
Packed | SE-30 | 150. | 971. | Ashes and Haken, 1974 | Celaton (62-72 mesh); Column length: 3.7 m |
Packed | SE-30 | 100. | 977. | Chastrette, Heintz, et al., 1974 | N2, Chromosorb W AW (60-80 mesh); Column length: 3. m |
Packed | SE-30 | 150. | 980. | Germaine and Haken, 1969 | Celite 560; Column length: 3.7 m |
Kovats' RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | SE-30 | 971. | Chretien and Dubois, 1978 | Program: not specified |
Kovats' RI, polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Packed | Carbowax 20M | 100. | 1217. | Chastrette, Heintz, et al., 1974 | Chromosorb WAW (60-80 mesh); Column length: 3. m |
Normal alkane RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | SE-30 | 971. | Liu, Liang, et al., 2007 | Program: not specified |
Capillary | SE-30 | 981. | Vinogradov, 2004 | Program: not specified |
Normal alkane RI, polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Carbowax 20M | 1200. | Vinogradov, 2004 | Program: not specified |
Capillary | DB-Wax | 1233. | Peng, Yang, et al., 1991 | Program: not specified |
References
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Schjanberg, 1937
Schjanberg, E.,
Die verbrennungswarmen und die refraktionsdaten einiger pentensaureeste,
Z. Phys. Chem., 1937, 178, 274-281. [all data]
Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G.,
Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [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]
Gill and Dexter, 1934
Gill, A.H.; Dexter, F.P.,
Ind. Eng. Chem., 1934, 26, 881. [all data]
Gartenmeister, 1886
Gartenmeister, R.,
Investigation of the physical characterstics of liquid compounds: vi boiling point and specific volume of normal fatty acid esters,
Justus Liebigs Ann. Chem., 1886, 233, 249-315. [all data]
Meot-Ner, 1984
Meot-Ner, (Mautner)M.,
The Ionic Hydrogen Bond and Ion Solvation. 1. -NH+ O-, -NH+ N- and -OH+ O- Bonds. Correlations with Proton Affinity. Deviations Due to Structural Effects,
J. Am. Chem. Soc., 1984, 106, 5, 1257, https://doi.org/10.1021/ja00317a015
. [all data]
Komárek, Hornová, et al., 1983
Komárek, K.; Hornová, L.; Horna, A.; Churácek, J.,
Glass capillary gas chromatography of homologous series of esters. IV. Separation of homologous series of certain halogenopropyl esters of aliphatic carboxylic acids on OV-101,
J. Chromatogr., 1983, 281, 299-303, https://doi.org/10.1016/S0021-9673(01)87889-4
. [all data]
Ashes and Haken, 1974
Ashes, J.R.; Haken, J.K.,
Gas chromatography of homologous esters. VI. Structure-retention increments of aliphatic esters,
J. Chromatogr., 1974, 101, 1, 103-123, https://doi.org/10.1016/S0021-9673(01)94737-5
. [all data]
Chastrette, Heintz, et al., 1974
Chastrette, M.; Heintz, M.; Druilhe, A.; Lefort, D.,
Analyse chromatographique d'esters aliphatiques saturés. Relations rétention-structure et prévision de la rétention,
Bull. Soc. Chim. Fr., 1974, 9/10,Pt.1, 1852-1856. [all data]
Germaine and Haken, 1969
Germaine, R.W.; Haken, J.K.,
Gas chromatography of homologous esters. Part 1. Simple aliphatic esters,
J. Chromatogr., 1969, 43, 33-42, https://doi.org/10.1016/S0021-9673(00)99162-3
. [all data]
Chretien and Dubois, 1978
Chretien, J.R.; Dubois, J-E.,
Topological Analysis: A Technique for the Physico-Chemical Exploitation of Retention Data in Gas-Liquid Chromatography,
J. Chromatogr., 1978, 158, 43-56, https://doi.org/10.1016/S0021-9673(00)89954-9
. [all data]
Liu, Liang, et al., 2007
Liu, F.; Liang, Y.; Cao, C.; Zhou, N.,
QSPR study of GC retention indices for saturated esters on seven stationary phases based on novel topological indices,
Talanta, 2007, 72, 4, 1307-1315, https://doi.org/10.1016/j.talanta.2007.01.038
. [all data]
Vinogradov, 2004
Vinogradov, B.A.,
Production, composition, properties and application of essential oils, 2004, retrieved from http://viness.narod.ru. [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
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- Symbols used in this document:
Tboil Boiling point ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔrH° Enthalpy of reaction at standard conditions ΔrS° Entropy of reaction at standard conditions ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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