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. Science Stuff Baker Fisher Eastman
Structure and properties
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 ViscosityLange's Handbook of Chemistry, 10th ed. pp. 1669–1674 0.5285 mPa·s at 0 °C0.4546 mPa·s at 20 °C0.3668 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 changeof fusion, ΔfusHo 10.48 kJ/mol (189.3 K) Std entropy changeof fusion, ΔfusSo 55.27 J/(mol·K) (189.3 K) Std enthalpy changeof vaporization, ΔvapHo 31.94 kJ/mol Std entropy changeof vaporization, ΔvapSo 103.35 J/(mol·K) Solid properties Std enthalpy changeof formation, ΔfHosolid ? kJ/mol Standard molar entropy,Sosolid ? J/(mol K) Heat capacity, cp ? J/(mol K) Liquid properties Std enthalpy changeof 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 changeof 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' constantsLange's Handbook of Chemistry 10th ed, pp. 1522–1524 a = 2072.0 L2 kPa/mol2 b = 0.1412 liter per mole
Distillation data Vapor-liquid Equilibriumfor Ethyl Acetate/WaterP = 760 mmHg BPTemp.°C % by moleC4H8O2 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 Equilibriumfor Ethyl Acetate/Acetic acidP = 740 mmHg BPTemp.°C % by moleC4H8O2 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 Equilibriumfor Ethyl Acetate/EthanolP = 760 mmHg BPTemp.°C % by moleC2H6O1 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
SDBS spectral database