Ethyl acetate (data page)

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This page provides supplementary chemical data on ethyl acetate.

Contents

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 and follow its directions.

Structure and properties

Structure and properties
Index of refraction, nD1.3720
Abbe number ?
Dielectric constant, εr6.02 ε0 at 25 °C
Bond strength  ?
Bond length  ?
Bond angle  ?
Magnetic susceptibility  ?
Surface tension 23.9 dyn/cm at 20 °C
Viscosity [1] 0.5285 mPa·s at 0 °C
0.4546 mPa·s at 20 °C
0.3668 mPa·s at 40 °C

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		31.94 kJ/mol
Std entropy change
of vaporization, ΔvapSo		103.35 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, cp170 J/(mol K)
Gas properties
Std enthalpy change
of formation, ΔfHogas		−445 kJ/mol
Standard molar entropy,
Sogas		363 J/(mol K)
Heat capacity, cp125.8 J/(mol K) (360 K)
van der Waals' constants [2] a = 2072.0 L2 kPa/mol2
b = 0.1412 liter per mole

Distillation data

Vapor-liquid Equilibrium
for Ethyl Acetate/Water [3]
P = 760 mmHg
BP
Temp.
°C		 % by mole
C4H8O2
liquidvapor
100.00.00.0
96.50.02410.0
92.90.05520.0
89.50.10530.0
85.90.20140.0
82.10.37050.0
77.50.68360.0
74.30.93565.0
70.53.070.0
70.45.070.1
70.410.070.1
70.420.070.1
70.430.070.1
70.440.070.1
70.450.070.1
70.460.070.1
70.470.070.1
70.780.070.5
72.290.075.0
73.594.180.0
74.596.585.0
75.597.590.0
76.398.895.0
77.2100.0100.0
  
Vapor-liquid Equilibrium
for Ethyl Acetate/Acetic acid [3]
P = 740 mmHg
BP
Temp.
°C		 % by mole
C4H8O2
liquidvapor
117.070.00.0
114.004.010.7
110.009.623.0
105.0017.337.7
100.0025.951.9
95.0036.365.4
90.0048.277.7
86.0061.786.3
82.0076.493.4
80.0084.296.1
78.0092.298.3
76.30100.0100.0
  
Vapor-liquid Equilibrium
for Ethyl Acetate/Ethanol [3]
P = 760 mmHg
BP
Temp.
°C		 % by mole
C4H8O2
liquidvapor
76.72.57.0
75.58.012.6
75.010.016.4
74.413.020.0
72.624.029.5
71.836.039.8
72.056.350.7
72.465.356.0
72.871.060.0
73.173.562.7
73.577.666.5
73.678.567.5
74.283.373.5
74.987.377.3
75.087.878.3
75.690.882.3
76.193.286.8
76.494.288.0
77.798.496.5

Spectral data

UV-Vis
λmax  ? nm
Extinction coefficient, ε ?
IR
Major absorption bands2983, 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 dataJH-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%)

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References

  1. ↑ Lange's Handbook of Chemistry, 10th ed. pp. 1669–1674
  2. ↑ Lange's Handbook of Chemistry 10th ed, pp. 1522–1524
  3. 1 2 3 "Binary Vapor-Liquid Equilibrium Data" (Queriable database). Chemical Engineering Research Information Center. Retrieved 6 May 2007.
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