Ethyl acetate (data page)

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Template:Short description Template:Use dmy dates 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 and follow its directions.

Structure and properties

Template:Chembox header | Structure and properties
Index of refraction, nD 1.3720
Abbe number ?
Dielectric constant, εr 6.02 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

Template:Chembox header | 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)
Template:Chembox header | Solid properties
Std enthalpy change
of formation, ΔfHosolid 		? kJ/mol
Standard molar entropy,
Sosolid 		? J/(mol K)
Heat capacity, cp ? J/(mol K)
Template:Chembox header | 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)
Template:Chembox header | 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

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
   
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
C2H6O1
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

Template:Chembox header | UV-Vis
λmax ? nm
Extinction coefficient, ε ?
Template:Chembox header | IR
Major absorption bands 2983, 1743, 1374, 1243, 1048 cm−1
Template:Chembox header | 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.
Template:Chembox header | 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

  1. ↑ Lange's Handbook of Chemistry, 10th ed. pp. 1669–1674
  2. ↑ Lange's Handbook of Chemistry 10th ed, pp. 1522–1524
  3. ↑ a b c Script error: No such module "citation/CS1".

Template:Chemical data page general note

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