Propanoic acid, 2-methyl-, propyl ester
- Formula: C7H14O2
- Molecular weight: 130.1849
- IUPAC Standard InChIKey: AZFUASHXSOTBNU-UHFFFAOYSA-N
- CAS Registry Number: 644-49-5
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: Isobutyric acid, propyl ester; Propyl isobutyrate; n-Propyl isobutyrate; Isobutyric acid n-propyl ester; n-Propyl 2-methylpropanoate; Propyl isobutanoate; Propyl 2-methylpropanoate
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Phase change data
Go To: Top, 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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 407.1 | K | N/A | Lecat, 1927 | Uncertainty assigned by TRC = 0.5 K; TRC |
Tboil | 412.0 | K | N/A | Schiff, 1884 | Uncertainty assigned by TRC = 2. K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tc | 579.4 | K | N/A | Young, 1994 | Uncertainty assigned by TRC = 0.6 K; TRC |
Tc | 589.2 | K | N/A | Pawlewski, 1882 | Uncertainty assigned by TRC = 6. K; TRC |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
12.1 | 282. | A | Stephenson and Malanowski, 1987 | Based on data from 267. to 407. K. See also Stull, 1947.; AC |
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 |
---|---|---|---|---|---|
266.9 to 407.1 | 4.39577 | 1545.216 | -54.902 | Stull, 1947 | Coefficents calculated by NIST from author's data. |
Mass spectrum (electron ionization)
Go To: Top, Phase change data, 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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Additional Data
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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. |
---|---|
NIST MS number | 2874 |
Gas Chromatography
Go To: Top, Phase change data, Mass spectrum (electron ionization), 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
Kovats' RI, non-polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | SE-30 | 100. | 880. | Haken and Korhonen, 1985 | Column length: 25. m; Column diameter: 0.33 mm |
Capillary | SE-30 | 120. | 842. | Haken and Korhonen, 1985 | Column length: 25. m; Column diameter: 0.33 mm |
Capillary | SE-30 | 140. | 860. | Haken and Korhonen, 1985 | Column length: 25. m; Column diameter: 0.33 mm |
Capillary | SE-30 | 60. | 862. | Haken and Korhonen, 1985 | Column length: 25. m; Column diameter: 0.33 mm |
Capillary | SE-30 | 80. | 856. | Haken and Korhonen, 1985 | Column length: 25. m; Column diameter: 0.33 mm |
Capillary | OV-101 | 80. | 841. | Komárek, Hornová, et al., 1983 | Column length: 15. m; Column diameter: 0.22 mm |
Packed | SE-30 | 150. | 836. | Ashes and Haken, 1974 | Celaton (62-72 mesh); Column length: 3.7 m |
Packed | SE-30 | 100. | 838. | Chastrette, Heintz, et al., 1974 | N2, Chromosorb W AW (60-80 mesh); Column length: 3. m |
Packed | OV-1 | 150. | 836. | Ashes and Haken, 1971 | |
Packed | SE-30 | 150. | 836. | 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 | 836. | Chretien and Dubois, 1978 | Program: not specified |
Kovats' RI, polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | OV-351 | 100. | 1108. | Haken and Korhonen, 1985 | N2; Column length: 25. m; Column diameter: 0.32 mm |
Capillary | OV-351 | 60. | 1100. | Haken and Korhonen, 1985 | N2; Column length: 25. m; Column diameter: 0.32 mm |
Capillary | OV-351 | 80. | 1094. | Haken and Korhonen, 1985 | N2; Column length: 25. m; Column diameter: 0.32 mm |
Packed | Carbowax 20M | 100. | 1051. | Chastrette, Heintz, et al., 1974 | Chromosorb WAW (60-80 mesh); Column length: 3. m |
Van Den Dool and Kratz RI, polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Supelcowax-10 | 1058. | Bianchi, Careri, et al., 2007 | 30. m/0.25 mm/0.25 μm, He; Program: 35C(8min) => 4C/min => 60C => 6C/min => 160C => 20C/min => 200C(1min) |
Capillary | Supelcowax-10 | 1054. | Bianchi, Careri, et al., 2007 | 30. m/0.25 mm/0.25 μm, He; Program: 40C(1min) => 10C/min => 120C => 15C/min => 200C (1min) |
Normal alkane RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | ZB-1 | 866. | Mierendorff, Stahl-Biskup, et al., 2008 | 30. m/0.25 mm/0.25 μm, Nitrogen, 3. K/min; Tstart: 45. C; Tend: 230. C |
Capillary | ZB-1 | 866. | Mierendorff, Stahl-Biskup, et al., 2003 | 30. m/0.25 mm/0.25 μm, N2, 3. K/min; Tstart: 45. C; Tend: 230. C |
Capillary | DB-1 | 844. | Stashenko, Puertas, et al., 1996 | 60. m/0.25 mm/0.25 μm, He, 50. C @ 5. min, 2.5 K/min; Tend: 250. C |
Capillary | OV-101 | 842. | Anker, Jurs, et al., 1990 | 2. K/min; Column length: 50. m; Column diameter: 0.28 mm; Tstart: 80. C; Tend: 200. C |
Normal alkane RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | SE-30 | 836. | Liu, Liang, et al., 2007 | Program: not specified |
Capillary | SE-30 | 842. | Vinogradov, 2004 | Program: not specified |
Normal alkane RI, polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Carbowax 20M | 1044. | Anker, Jurs, et al., 1990 | 2. K/min; Column length: 80. m; Column diameter: 0.2 mm; Tstart: 70. C; Tend: 170. C |
Normal alkane RI, polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Carbowax 20M | 1044. | Vinogradov, 2004 | Program: not specified |
References
Go To: Top, Phase change data, 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.
Lecat, 1927
Lecat, M.,
New binary azeotropes: 6th list,
Ann. Soc. Sci. Bruxelles, Ser. B, 1927, 47, 63-71. [all data]
Schiff, 1884
Schiff, R.,
The Capillary Constants of Liquids at Their Boiling Point,
Justus Liebigs Ann. Chem., 1884, 223, 47-106. [all data]
Young, 1994
Young, C.L.,
Personal Commun. 1994 1994, 1994. [all data]
Pawlewski, 1882
Pawlewski, B.,
The critical temperatures of ester compounds,
Ber. Dtsch. Chem. Ges., 1882, 15, 2460-4. [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]
Stull, 1947
Stull, Daniel R.,
Vapor Pressure of Pure Substances. Organic and Inorganic Compounds,
Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022
. [all data]
Haken and Korhonen, 1985
Haken, J.K.; Korhonen, I.O.O.,
Gas-liquid chromatography of homologous esters. XXIX. Propanoyl and monochlorpropanoyl esters of lower saturated branched-chain and unsaturated alcohols,
J. Chromatogr., 1985, 324, 343-353, https://doi.org/10.1016/S0021-9673(01)81333-9
. [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]
Ashes and Haken, 1971
Ashes, J.R.; Haken, J.K.,
Gas chromatography of homologous esters. Part V. Retention of aliphatic esters on non-polar, donar and acceptor stationary phases,
J. Chromatogr., 1971, 60, 33-44, https://doi.org/10.1016/S0021-9673(00)95527-4
. [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]
Bianchi, Careri, et al., 2007
Bianchi, F.; Careri, M.; Mangia, A.; Musci, M.,
Retention indices in the analysis of food aroma volatile compounds in temperature-programmed gas chromatography: Database creation and evaluation of precision and robustness,
J. Sep. Sci., 2007, 39, 4, 563-572, https://doi.org/10.1002/jssc.200600393
. [all data]
Mierendorff, Stahl-Biskup, et al., 2008
Mierendorff, H.-G.; Stahl-Biskup, E.; Posthumus, M.A.; van Beek, T.A.,
Composition of commercial Cape chamomile oil (Eriocephalus punctuatus / Eriocephalus tenuifolius), 2008, retrieved from http://www.chemische-analysen-hamburg.de/Publikationen?CapeChamomileOil/. [all data]
Mierendorff, Stahl-Biskup, et al., 2003
Mierendorff, H.-G.; Stahl-Biskup, E.; Posthumus, M.A.; van Beek, T.A.,
Composition of commercial Cape chamomile oil (Eriocephalus punctulatus),
Flavour Fragr. J., 2003, 18, 6, 510-514, https://doi.org/10.1002/ffj.1259
. [all data]
Stashenko, Puertas, et al., 1996
Stashenko, E.E.; Puertas, M.A.; Combariza, M.Y.,
Volatile secondary metabolites from Spilanthes americana obtained by simultaneous steam distillation--solvent extraction and supercritical fluid extraction,
J. Chromatogr. A, 1996, 752, 1-2, 223-232, https://doi.org/10.1016/S0021-9673(96)00480-3
. [all data]
Anker, Jurs, et al., 1990
Anker, L.S.; Jurs, P.C.; Edwards, P.A.,
Quantitative structure-retention relationship studies of odor-active aliphatic compounds with oxygen-containing functional groups,
Anal. Chem., 1990, 62, 24, 2676-2684, https://doi.org/10.1021/ac00223a006
. [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]
Notes
Go To: Top, Phase change data, Mass spectrum (electron ionization), Gas Chromatography, References
- Symbols used in this document:
Tboil Boiling point Tc Critical temperature ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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