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
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Triple point
| 189.3 K (−83.9 °C), ? Pa
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Critical point
| 530 K (260 °C), 3900 kPa
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Std enthalpy change of fusion, ΔfusHo
| 10.48 kJ/mol (189.3 K)
|
Std entropy change of fusion, ΔfusSo
| 55.27 J/(mol·K) (189.3 K)
|
Std enthalpy change of vaporization, ΔvapHo
| 35.1 kJ/mol
|
Std entropy change of vaporization, ΔvapSo
| 100.21 J/(mol·K)
|
Solid properties
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Std enthalpy change of formation, ΔfHosolid
| ? kJ/mol
|
Standard molar entropy, Sosolid
| ? J/(mol K)
|
Heat capacity, cp
| ? J/(mol K)
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Liquid properties
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Std enthalpy change of formation, ΔfHoliquid
| −480 kJ/mol
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Standard molar entropy, Soliquid
| 259.4 J/(mol K)
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Heat capacity, cp
| 170 J/(mol K)
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Gas properties
|
Std enthalpy change of formation, ΔfHogas
| −445 kJ/mol
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Standard molar entropy, Sogas
| 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 C4H8O2
|
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
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85.9 | 0.201 | 40.0
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82.1 | 0.370 | 50.0
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77.5 | 0.683 | 60.0
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74.3 | 0.935 | 65.0
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70.5 | 3.0 | 70.0
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70.4 | 5.0 | 70.1
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70.4 | 10.0 | 70.1
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70.4 | 20.0 | 70.1
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70.4 | 30.0 | 70.1
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70.4 | 40.0 | 70.1
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70.4 | 50.0 | 70.1
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70.4 | 60.0 | 70.1
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70.4 | 70.0 | 70.1
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70.7 | 80.0 | 70.5
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72.2 | 90.0 | 75.0
|
73.5 | 94.1 | 80.0
|
74.5 | 96.5 | 85.0
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75.5 | 97.5 | 90.0
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76.3 | 98.8 | 95.0
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77.2 | 100.0 | 100.0
|
|
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Vapor-liquid Equilibrium for Ethyl Acetate/Acetic acid[3] P = 740 mmHg
|
BP Temp. °C
| % by mole C4H8O2
|
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
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90.00 | 48.2 | 77.7
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86.00 | 61.7 | 86.3
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82.00 | 76.4 | 93.4
|
80.00 | 84.2 | 96.1
|
78.00 | 92.2 | 98.3
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76.30 | 100.0 | 100.0
|
|
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Vapor-liquid Equilibrium for Ethyl Acetate/Ethanol[3] P = 760 mmHg
|
BP Temp. °C
| % by mole C4H8O2
|
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
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72.4 | 65.3 | 56.0
|
72.8 | 71.0 | 60.0
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73.1 | 73.5 | 62.7
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73.5 | 77.6 | 66.5
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73.6 | 78.5 | 67.5
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74.2 | 83.3 | 73.5
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74.9 | 87.3 | 77.3
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75.0 | 87.8 | 78.3
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75.6 | 90.8 | 82.3
|
76.1 | 93.2 | 86.8
|
76.4 | 94.2 | 88.0
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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.
Disclaimer applies.
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