Acetic acid, pentyl ester
- Formula: C7H14O2
- Molecular weight: 130.1849
- IUPAC Standard InChIKey: PGMYKACGEOXYJE-UHFFFAOYSA-N
- CAS Registry Number: 628-63-7
- 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. - Isotopologues:
- Other names: n-Amyl acetate; n-Pentyl acetate; Amyl acetate; Birnenoel; Pentyl acetate; Acetic acid, amyl ester; Amyl acetic ester; Amyl acetic ether; Banana oil; Pear oil; Pent-acetate; 1-Pentanol acetate; 1-Pentyl acetate; Acetic acid n-amyl ester; n-Pentyl ethanoate; Acetate d'amyle; Amylazetat; Octan amylu; Pent-acetate 28; Amylester kyseliny octove; Primary amyl acetate; Pentyl ester of acetic acid; Acetic acid, n-pentyl ester; 1-Acetoxypentane; NSC 7923
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Condensed phase thermochemistry data
Go To: Top, Phase change data, IR Spectrum, 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 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 |
---|---|---|---|---|---|
ΔcH°liquid | -4372.13 | kJ/mol | Ccb | Rosenhain, 1906 | Corresponding ΔfHºliquid = -383.25 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 |
---|---|---|---|
276.1 | 304.0 | Phillip, 1939 | DH |
Phase change data
Go To: Top, Condensed phase thermochemistry data, IR Spectrum, 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 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
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 420. ± 7. | K | AVG | N/A | Average of 24 out of 25 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 202.35 | K | N/A | Timmermans and Hennaut-Roland, 1955 | Uncertainty assigned by TRC = 0.3 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tc | 600. | K | N/A | Steele, Chirico, et al., 1996 | Uncertainty assigned by TRC = 2. K; TRC |
Tc | 599.9 | K | N/A | Quadri and Kudchadker, 1991 | Uncertainty assigned by TRC = 0.6 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Pc | 26.85 | bar | N/A | Steele, Chirico, et al., 1996 | Uncertainty assigned by TRC = 1.50 bar; from extraploation of obs. vapor pressures to Tc; TRC |
Pc | 27.70 | bar | N/A | Quadri and Kudchadker, 1991 | Uncertainty assigned by TRC = 0.20 bar; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ρc | 2.131 | mol/l | N/A | Steele, Chirico, et al., 1996 | Uncertainty assigned by TRC = 0.092 mol/l; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 48.6 ± 0.4 | kJ/mol | EB | Steele, Chirico, et al., 1996, 2 | Based on data from 321. to 462. K.; AC |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
43.2 | 344. | A | Stephenson and Malanowski, 1987 | Based on data from 329. to 423. K.; AC |
IR Spectrum
Go To: Top, Condensed phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), References, Notes
Data compiled by: Coblentz Society, Inc.
- LIQUID; Not specified, most likely a prism, grating, or hybrid spectrometer.; DIGITIZED BY NIST FROM HARD COPY; 4 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
Mass spectrum (electron ionization)
Go To: Top, Condensed phase thermochemistry data, Phase change data, IR Spectrum, 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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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- 59 |
NIST MS number | 228635 |
References
Go To: Top, Condensed phase thermochemistry data, Phase change 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.
Rosenhain, 1906
Rosenhain, W.,
The calorimetry of vlatile liquids,
J. Soc. Chem. Ind., 1906, 25, 239-241. [all data]
Phillip, 1939
Phillip, N.M.,
Adiabatic and isothermal compressibilities of liquids,
Proc. Indian Acad. Sci., 1939, A9, 109-120. [all data]
Timmermans and Hennaut-Roland, 1955
Timmermans, J.; Hennaut-Roland, M.,
Work of the International Bureau of Physical-Chemical Standards. IX. The Physical Constants of Twenty Organic Compounds,
J. Chim. Phys. Phys.-Chim. Biol., 1955, 52, 223. [all data]
Steele, Chirico, et al., 1996
Steele, W.V.; Chirico, R.D.; Knipmeyer, S.E.; Nguyen, A.,
Vapor pressure of acetophenone, (+-)-1,2-butanediol, (+-)-1,3-butanediol, diethylene glycol monopropyl ether, 1,3-dimethyladamantane, 2-ethoxyethyl acetate, ethyl octyl sufide, and pentyl acetate,
J. Chem. Eng. Data, 1996, 41, 1255-68. [all data]
Quadri and Kudchadker, 1991
Quadri, S.K.; Kudchadker, A.P.,
Measurement of the critical temperatures and critical pressures of some thermally stable or mildly unstable esters, ketones, and ethers,
J. Chem. Thermodyn., 1991, 23, 129-34. [all data]
Steele, Chirico, et al., 1996, 2
Steele, W.V.; Chirico, R.D.; Knipmeyer, S.E.; Nguyen, A.,
Vapor Pressure of Acetophenone, (±)-1,2-Butanediol, (±)-1,3-Butanediol, Diethylene Glycol Monopropyl Ether, 1,3-Dimethyladamantane, 2-Ethoxyethyl Acetate, Ethyl Octyl Sulfide, and Pentyl Acetate,
J. Chem. Eng. Data, 1996, 41, 6, 1255-1268, https://doi.org/10.1021/je9601117
. [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]
Notes
Go To: Top, Condensed phase thermochemistry data, Phase change data, IR Spectrum, Mass spectrum (electron ionization), References
- Symbols used in this document:
Cp,liquid Constant pressure heat capacity of liquid Pc Critical pressure Tboil Boiling point Tc Critical temperature Tfus Fusion (melting) point ΔcH°liquid Enthalpy of combustion of liquid 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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