| 释义 |
- Vapor pressure of liquid
- Distillation data
- References
{{Use dmy dates|date=July 2013}}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
- [https://fscimage.fishersci.com/msds/08750.htm 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 | | 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 | 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. {{Clear}}Distillation dataVapor-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
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%) | |
References1. ^Lange's Handbook of Chemistry, 10th ed. pp 1669-1674
2. ^Lange's Handbook of Chemistry 10th ed, pp 1522-1524
3. ^1 2 {{Cite web|url=http://www.cheric.org/research/kdb/hcvle/hcvle.php|title=Binary Vapor-Liquid Equilibrium Data|publisher=Chemical Engineering Research Information Center|format=Queriable database|accessdate=6 May 2007}}
*{{nist}}- [https://web.archive.org/web/20060508174340/http://www.aist.go.jp/RIODB/SDBS/cgi-bin/direct_frame_top.cgi?lang=eng SDBS spectral database]
Except where noted otherwise, data relate to standard ambient temperature and pressure. Disclaimer applies. {{DEFAULTSORT:Ethyl Acetate (Data Page)}} 1 : Chemical data pages |