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This page provides supplementary chemical data on ethyl acetate.
Material Safety Data Sheet
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, 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 |
Std enthalpy change
of formation, ΔfHosolid |
? kJ/mol |
Standard molar entropy,
Sosolid |
? J/(mol K) |
| Heat capacity, cp |
? J/(mol K) |
| Liquid properties |
Std enthalpy change
of formation, ΔfHoliquid |
−480 kJ/mol |
Standard molar entropy,
Soliquid |
259.4 J/(mol K) |
| Heat capacity, cp |
170 J/(mol K) |
| Gas properties |
Std enthalpy change
of formation, ΔfHogas |
−445 kJ/mol |
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.
Image:LogEthylacetateVaporPressure.png
log10 of Ethyl Acetate vapor pressure. Uses formula: Failed to parse (Missing texvc executable; please see math/README to configure.): \scriptstyle \log_{10} P_{mmHg} = 7.09808 - \frac {1238.71} {217.0+T} obtained from Lange's Handbook of Chemistry, 10th 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 |
| 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 |
|
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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 |
| 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
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 |
| 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.
Except where noted otherwise, data relate to standard ambient temperature and pressure.
Disclaimer applies.
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