Isopropyl acetate
- Formula: C5H10O2
- Molecular weight: 102.1317
- IUPAC Standard InChIKey: JMMWKPVZQRWMSS-UHFFFAOYSA-N
- CAS Registry Number: 108-21-4
- 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, 1-methylethyl ester; Acetic acid, isopropyl ester; 2-Acetoxypropane; 2-Propyl acetate; CH3COOCH(CH3)2; Acetate d'isopropyle; Isopropile(acetato di); Isopropyl ethanoate; Isopropyl (acetate d'); Isopropylacetaat; Isopropylacetat; Isopropylester kyseliny octove; UN 1220; Isopropyl ester of acetic acid; sec-Propyl acetate; Acetic acid, 2-propyl ester; 1-Methylethyl acetate; NSC 9295
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Gas phase thermochemistry data
Go To: Top, Condensed phase thermochemistry data, Reaction thermochemistry data, Henry's Law 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:
DRB - Donald R. Burgess, Jr.
GT - Glushko Thermocenter, Russian Academy of Sciences, Moscow
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | -489.7 ± 3.7 | kJ/mol | N/A | Butwill and Rockenfeller, 1970 | Value computed using ΔfHliquid° value of -526.9±3.7 kj/mol from Butwill and Rockenfeller, 1970 and ΔvapH° value of 37.2±0.2 kj/mol from missing citation.; DRB |
Constant pressure heat capacity of gas
Cp,gas (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
154.31 ± 0.23 | 361.35 | von Geiseler G., 1973 | GT |
158.99 ± 0.24 | 376.91 | ||
163.59 ± 0.25 | 392.36 | ||
168.95 ± 0.25 | 411.00 |
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 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 | -526.9 ± 3.7 | kJ/mol | Ccb | Butwill and Rockenfeller, 1970 | ALS |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°liquid | -2869.8 ± 4.1 | kJ/mol | Ccb | Butwill and Rockenfeller, 1970 | Corresponding ΔfHºliquid = -526.85 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS |
ΔcH°liquid | -2879. | kJ/mol | Ccb | Schjanberg, 1935 | Corresponding ΔfHºliquid = -517.1 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 |
---|---|---|---|
196.6 | 298.15 | Fuchs, 1979 | DH |
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 as indicated in comments:
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
B - John E. Bartmess
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
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: C3H9Si+ + C5H10O2 = (C3H9Si+ • C5H10O2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 210. | kJ/mol | PHPMS | Wojtyniak and Stone, 1986 | gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)H2O, Entropy change calculated or estimated; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 132. | J/mol*K | N/A | Wojtyniak and Stone, 1986 | gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)H2O, Entropy change calculated or estimated; M |
Free energy of reaction
ΔrG° (kJ/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
149. | 468. | PHPMS | Wojtyniak and Stone, 1986 | gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)H2O, Entropy change calculated or estimated; M |
By formula: C3H9Sn+ + C5H10O2 = (C3H9Sn+ • C5H10O2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 175. | kJ/mol | PHPMS | Stone and Splinter, 1984 | gas phase; switching reaction((CH3)3Sn+)CH3OH, Entropy change calculated or estimated; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 140. | J/mol*K | N/A | Stone and Splinter, 1984 | gas phase; switching reaction((CH3)3Sn+)CH3OH, Entropy change calculated or estimated; M |
Free energy of reaction
ΔrG° (kJ/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
101. | 525. | PHPMS | Stone and Splinter, 1984 | gas phase; switching reaction((CH3)3Sn+)CH3OH, Entropy change calculated or estimated; M |
C5H9O2- + =
By formula: C5H9O2- + H+ = C5H10O2
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 1556. ± 17. | kJ/mol | G+TS | Haas, Giblin, et al., 1998 | gas phase; From transesterification equilibria; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 1528. ± 17. | kJ/mol | IMRE | Haas, Giblin, et al., 1998 | gas phase; From transesterification equilibria; B |
By formula: CH6N+ + C5H10O2 = (CH6N+ • C5H10O2)
Bond type: Hydrogen bonds of the type NH+-O between organics
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 126. | kJ/mol | PHPMS | Meot-Ner, 1984 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 147. | J/mol*K | PHPMS | Meot-Ner, 1984 | gas phase; M |
By formula: C5H10O2 + H2O = C2H4O2 + C3H8O
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 2.3 ± 0.2 | kJ/mol | Cm | Wadso, 1958 | liquid phase; Heat of Hydrolysis; ALS |
By formula: C2H2O + C3H8O = C5H10O2
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -150.2 | kJ/mol | Cm | Rice and Greenberg, 1934 | liquid phase; ALS |
Henry's Law 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: Rolf Sander
Henry's Law constant (water solution)
kH(T) = k°H exp(d(ln(kH))/d(1/T) ((1/T) - 1/(298.15 K)))
k°H = Henry's law constant for solubility in water at 298.15 K (mol/(kg*bar))
d(ln(kH))/d(1/T) = Temperature dependence constant (K)
k°H (mol/(kg*bar)) | d(ln(kH))/d(1/T) (K) | Method | Reference |
---|---|---|---|
2.9 | 5500. | X | N/A |
3.6 | V | N/A |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Reaction thermochemistry data, Henry's Law data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
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]
von Geiseler G., 1973
von Geiseler G.,
The heat capacity and the heat of vaporization of isomeric butylmethylketones and propylacetates,
Z. Phys. Chem. (Leipzig), 1973, 252, 170-176. [all data]
Schjanberg, 1935
Schjanberg, E.,
Die Verbrennungswarmen und die Refraktionsdaten einiger chlorsubstituierter Fettsauren und Ester.,
Z. Phys. Chem. Abt. A, 1935, 172, 197-233. [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]
Wojtyniak and Stone, 1986
Wojtyniak, A.C.M.; Stone, A.J.,
A High-Pressure Mass Spectrometric Study of the Bonding of Trimethylsilylium to Oxygen and Aromatic Bases,
Can. J. Chem., 1986, 74, 59. [all data]
Stone and Splinter, 1984
Stone, J.A.; Splinter, D.E.,
A high-pressure mass spectrometric study of the binding of (CH3)3Sn+ to lewis bases in the gas phase,
Int. J. Mass Spectrom. Ion Processes, 1984, 59, 169. [all data]
Haas, Giblin, et al., 1998
Haas, G.W.; Giblin, D.E.; Gross, M.L.,
The Mechanism and Thermodynamics of Transesterification of Acetate-Ester Enolates in the Gas Phase,
Int. J. Mass Spectrom. Ion Proc., 1998, 172, 1-2, 25, https://doi.org/10.1016/S0168-1176(97)83245-4
. [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]
Wadso, 1958
Wadso, I.,
The heats of hydrolysis of some alkyl acetates,
Acta Chem. Scand., 1958, 12, 630-633. [all data]
Rice and Greenberg, 1934
Rice, F.O.; Greenberg, J.,
Ketene. III. Heat of formation and heat of reaction with alcohols,
J. Am. Chem. Soc., 1934, 38, 2268-2270. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Reaction thermochemistry data, Henry's Law data, References
- Symbols used in this document:
Cp,gas Constant pressure heat capacity of gas Cp,liquid Constant pressure heat capacity of liquid T Temperature d(ln(kH))/d(1/T) Temperature dependence parameter for Henry's Law constant k°H Henry's Law constant at 298.15K 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 ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions ΔrS° Entropy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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