Ethyl acetate (data page)
This page provides supplementary chemical data on ethyl acetate .
Additional recommended knowledge
Material Safety Data Sheet
Baker MSDS
Fisher MSDS
Eastman MSDS
The handling of this chemical may incur notable safety precautions. It is highly recommended that you seek the Material Safety Datasheet (MSDS ) for this chemical from a reliable source such as SIRI or from one of the sites listed above, and follow its directions.
Structure and properties
Thermodynamic properties
Phase behavior
Triple point
189.3 K (−83.9 °C), ? Pa
Critical point
530 K (260 °C), 3900 kPa
Std enthalpy change of fusion , Δfus H o
10.48 kJ/mol (189.3 K)
Std entropy change of fusion, Δfus S o
55.27 J/(mol·K) (189.3 K)
Std enthalpy change of vaporization , Δvap H o
35.1 kJ/mol
Std entropy change of vaporization, Δvap S o
100.21 J/(mol·K)
Solid properties
Std enthalpy change of formation , Δf H o solid
? kJ/mol
Standard molar entropy ,S o solid
? J/(mol K)
Heat capacity, cp
? J/(mol K)
Liquid properties
Std enthalpy change of formation , Δf H o liquid
−480 kJ/mol
Standard molar entropy ,S o liquid
259.4 J/(mol K)
Heat capacity, cp
170 J/(mol K)
Gas properties
Std enthalpy change of formation , Δf H o gas
−445 kJ/mol
Standard molar entropy ,S o gas
363 J/(mol K)
Heat capacity, cp
125.8 J/(mol K) (360 K)
van der Waals' constants [2]
a = 2072.0 L2 kPa/mol2 b = 0.1412 liter per mole
Vapor pressure of liquid
P in mm Hg 1 10 40 100 400 760 1520 3800 7600 15200 30400 45600
T in °C –43.4 –13.5 9.1 27.0 59.0 77.1 100.6 136.6 169.7 209.5 — —
Table data obtained from CRC Handbook of Chemistry and Physics 44th ed.
Distillation data
Vapor-liquid Equilibrium for Ethyl Acetate/Water [3] P = 760 mmHg
BP Temp. °C
% by mole C4 H8 O2
liquid vapor
100.0 0.0 0.0
96.5 0.024 10.0
92.9 0.055 20.0
89.5 0.105 30.0
85.9 0.201 40.0
82.1 0.370 50.0
77.5 0.683 60.0
74.3 0.935 65.0
70.5 3.0 70.0
70.4 5.0 70.1
70.4 10.0 70.1
70.4 20.0 70.1
70.4 30.0 70.1
70.4 40.0 70.1
70.4 50.0 70.1
70.4 60.0 70.1
70.4 70.0 70.1
70.7 80.0 70.5
72.2 90.0 75.0
73.5 94.1 80.0
74.5 96.5 85.0
75.5 97.5 90.0
76.3 98.8 95.0
77.2 100.0 100.0
Vapor-liquid Equilibrium for Ethyl Acetate/Acetic acid [3] P = 740 mmHg
BP Temp. °C
% by mole C4 H8 O2
liquid vapor
117.07 0.0 0.0
114.00 4.0 10.7
110.00 9.6 23.0
105.00 17.3 37.7
100.00 25.9 51.9
95.00 36.3 65.4
90.00 48.2 77.7
86.00 61.7 86.3
82.00 76.4 93.4
80.00 84.2 96.1
78.00 92.2 98.3
76.30 100.0 100.0
Vapor-liquid Equilibrium for Ethyl Acetate/Ethanol [3] P = 760 mmHg
BP Temp. °C
% by mole C4 H8 O2
liquid vapor
76.7 2.5 7.0
75.5 8.0 12.6
75.0 10.0 16.4
74.4 13.0 20.0
72.6 24.0 29.5
71.8 36.0 39.8
72.0 56.3 50.7
72.4 65.3 56.0
72.8 71.0 60.0
73.1 73.5 62.7
73.5 77.6 66.5
73.6 78.5 67.5
74.2 83.3 73.5
74.9 87.3 77.3
75.0 87.8 78.3
75.6 90.8 82.3
76.1 93.2 86.8
76.4 94.2 88.0
77.7 98.4 96.5
Spectral data
UV-Vis
λmax
? nm
Extinction coefficient, ε
?
IR
Major absorption bands
2983, 1743, 1374, 1243, 1048 cm−1
NMR
Proton NMR
δ CDCl3 4.12 (2H, q), 2.04 (3H, s), 1.26 (3H, t).
Carbon-13 NMR
δ CDCl3 171.1, 60.4, 21.0, 14.3.
Other NMR data
JH-H (in ethyl), 7.1 Hz.
MS
Masses of main fragments
88.0 (5.1%), 70.0 (9.9%), 61.0 (14.9%), 45.0 (14.7%), 43.0 (100.0%), 29.0 (13.7%)
References
^ Lange's Handbook of Chemistry , 10th ed. pp 1669-1674
^ Lange's Handbook of Chemistry 10th ed, pp 1522-1524
^ a b c Binary Vapor-Liquid Equilibrium Data (Queriable database). Chemical Engineering Research Information Center. Retrieved on 6 May 2007.
NIST Chemistry WebBook
SDBS spectral database
Except where noted otherwise, data relate to standard ambient temperature and pressure.
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