Ethyl acetate (data page)

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

Structure and properties
Index of refraction, n_D	1.3720
Abbe number	?
Dielectric constant, ε_r	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

Phase behavior
Triple point	189.3 K (−83.9 °C), ? Pa
Critical point	530 K (260 °C), 3900 kPa
Std enthalpy change of fusion, Δ_fusH^o	10.48 kJ/mol (189.3 K)
Std entropy change of fusion, Δ_fusS^o	55.27 J/(mol·K) (189.3 K)
Std enthalpy change of vaporization, Δ_vapH^o	31.94 kJ/mol
Std entropy change of vaporization, Δ_vapS^o	100.21 J/(mol·K)
Solid properties
Std enthalpy change of formation, Δ_fH^o_solid	? kJ/mol
Standard molar entropy, S^o_solid	? J/(mol K)
Heat capacity, c_p	? J/(mol K)
Liquid properties
Std enthalpy change of formation, Δ_fH^o_liquid	−480 kJ/mol
Standard molar entropy, S^o_liquid	259.4 J/(mol K)
Heat capacity, c_p	170 J/(mol K)
Gas properties
Std enthalpy change of formation, Δ_fH^o_gas	−445 kJ/mol
Standard molar entropy, S^o_gas	363 J/(mol K)
Heat capacity, c_p	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.

log₁₀ of Ethyl Acetate vapor pressure. Uses formula:

\scriptstyle \log _{10}P_{mmHg}=7.09808-{\frac {1238.71}{217.0+T}}

obtained from Lange's Handbook of Chemistry, 10th ed.

Distillation data

BP Temp. °C	% by mole C₄H₈O₂
Vapor-liquid Equilibrium for Ethyl Acetate/Water[3] P = 760 mmHg
BP Temp. °C	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

BP Temp. °C	% by mole C₄H₈O₂
Vapor-liquid Equilibrium for Ethyl Acetate/Acetic acid[3] P = 740 mmHg
BP Temp. °C	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

BP Temp. °C	% by mole C₄H₈O₂
Vapor-liquid Equilibrium for Ethyl Acetate/Ethanol[3] P = 760 mmHg
BP Temp. °C	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
λ_max	? 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	J_H-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
"Binary Vapor-Liquid Equilibrium Data" (Queriable database). Chemical Engineering Research Information Center. Retrieved 6 May 2007.

Linstrom, Peter J.; Mallard, William G. (eds.); NIST Chemistry WebBook, NIST Standard Reference Database Number 69, National Institute of Standards and Technology, Gaithersburg (MD), http://webbook.nist.gov
SDBS spectral database

Except where noted otherwise, data relate to standard ambient temperature and pressure.

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[lange1669-1] Lange's Handbook of Chemistry, 10th ed. pp 1669-1674

[lange1522-2] Lange's Handbook of Chemistry 10th ed, pp 1522-1524

[cheric-3] "Binary Vapor-Liquid Equilibrium Data" (Queriable database). Chemical Engineering Research Information Center. Retrieved 6 May 2007.