This page provides supplementary chemical data on acetone.
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 |
|---|
| Dielectric constant, εr | 20.7 ε0 at 25 °C |
| Surface tension | 26.2 dyn/cm at 0° 23.7 dyn/cm at 20 °C |
Thermodynamic properties
| Phase behavior |
|---|
| Triple point | 178.5 K (−94.3 °C), ? Pa |
| Std entropy change of fusion, ΔfusSo | +32.3 J/(mol·K) |
| Std entropy change of vaporization, ΔvapSo | 95 J/(mol·K) |
| Liquid properties |
| Standard molar entropy, Soliquid | 200.4 J/(mol K) |
| Enthalpy of combustion, ΔcHo | –1785.7 kJ/mol |
| Gas properties |
| van der Waals' constants | a = 1409.4 L2 kPa/mol2 b = 0.0994 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 | –59.4 | –31.1 | –9.4 | 7.7 | 39.5 | 56.5 | 78.6 | 113.0 | 144.5 | 181.0 | 214.5 | — |
Table data obtained from CRC Handbook of Chemistry and Physics 44th ed.
| Vapor pressure of acetone based on formula, P m m H g = 10 7.02447 − 1161.0 224 + T {\displaystyle \scriptstyle P_{mmHg}=10^{7.02447-{\frac {1161.0}{224+T}}}} from Lange's Handbook of Chemistry, 10th ed. | vapor pressure of acetone (log scale) based on formula, log 10 P m m H g = 7.02447 − 1161.0 224 + T {\displaystyle \scriptstyle \log _{10}P_{mmHg}=7.02447-{\frac {1161.0}{224+T}}} from Lange's Handbook of Chemistry, 10th ed. |
Distillation data
| BP Temp. °C | % by mole acetone |
|---|
| Vapor-liquid Equilibrium of Acetone/water P = 760 mmHg BP Temp. °C % by mole acetone liquid vapor 100.00 0.0 0.0 87.8 1.0 33.5 83.0 2.3 46.2 76.5 4.1 58.5 75.38 5.0 63.1 68.76 10.0 73.1 66.2 12.0 75.6 63.98 20.0 79.2 61.84 30.0 82.0 60.73 40.0 83.4 59.87 50.0 84.8 59.29 60.0 85.8 58.52 70.0 87.4 57.65 80.0 89.4 57.1 85.0 91.8 56.65 90.0 93.8 56.36 95.0 96.3 56.09 100.0 100.0 | | Vapor-liquid Equilibrium of Acetone/Methanol P = 101.325 kPa BP Temp. °C % by mole methanol liquid vapor 55.67 7.0 8.2 55.43 13.3 14.4 55.31 18.1 18.8 55.24 21.7 21.8 55.25 22.7 22.6 55.30 26.5 25.5 55.39 34.0 31.1 55.74 40.6 35.6 55.96 44.6 38.2 56.15 48.1 40.6 56.90 59.3 48.6 57.05 60.6 49.6 57.29 63.1 51.5 57.69 67.6 55.0 58.32 71.9 59.0 58.49 73.7 60.8 58.97 77.1 64.3 59.57 80.5 68.1 60.41 84.9 73.5 61.53 90.0 80.9 62.21 92.6 85.2 62.79 94.7 89.0 63.69 97.6 94.7 | | Vapor-liquid Equilibrium of Acetone/Ethanol P = 760 mm Hg BP Temp. °C % by mole acetone liquid vapor 78.3 0 0 76.4 3.3 11.1 74.0 7.8 21.6 70.8 14.9 34.5 69.1 19.5 41.0 65.6 31.6 53.4 63.4 41.4 61.4 61.3 53.2 69.7 59.0 69.1 79.6 57.3 85.2 89.6 56.1 100.0 100.0 |
| Vapor-liquid Equilibrium of Acetone/water P = 760 mmHg |
| liquid | vapor |
| 100.00 | 0.0 | 0.0 |
| 87.8 | 1.0 | 33.5 |
| 83.0 | 2.3 | 46.2 |
| 76.5 | 4.1 | 58.5 |
| 75.38 | 5.0 | 63.1 |
| 68.76 | 10.0 | 73.1 |
| 66.2 | 12.0 | 75.6 |
| 63.98 | 20.0 | 79.2 |
| 61.84 | 30.0 | 82.0 |
| 60.73 | 40.0 | 83.4 |
| 59.87 | 50.0 | 84.8 |
| 59.29 | 60.0 | 85.8 |
| 58.52 | 70.0 | 87.4 |
| 57.65 | 80.0 | 89.4 |
| 57.1 | 85.0 | 91.8 |
| 56.65 | 90.0 | 93.8 |
| 56.36 | 95.0 | 96.3 |
| 56.09 | 100.0 | 100.0 |
| Vapor-liquid Equilibrium of Acetone/Methanol P = 101.325 kPa |
| BP Temp. °C | % by mole methanol |
| liquid | vapor |
| 55.67 | 7.0 | 8.2 |
| 55.43 | 13.3 | 14.4 |
| 55.31 | 18.1 | 18.8 |
| 55.24 | 21.7 | 21.8 |
| 55.25 | 22.7 | 22.6 |
| 55.30 | 26.5 | 25.5 |
| 55.39 | 34.0 | 31.1 |
| 55.74 | 40.6 | 35.6 |
| 55.96 | 44.6 | 38.2 |
| 56.15 | 48.1 | 40.6 |
| 56.90 | 59.3 | 48.6 |
| 57.05 | 60.6 | 49.6 |
| 57.29 | 63.1 | 51.5 |
| 57.69 | 67.6 | 55.0 |
| 58.32 | 71.9 | 59.0 |
| 58.49 | 73.7 | 60.8 |
| 58.97 | 77.1 | 64.3 |
| 59.57 | 80.5 | 68.1 |
| 60.41 | 84.9 | 73.5 |
| 61.53 | 90.0 | 80.9 |
| 62.21 | 92.6 | 85.2 |
| 62.79 | 94.7 | 89.0 |
| 63.69 | 97.6 | 94.7 |
| Vapor-liquid Equilibrium of Acetone/Ethanol P = 760 mm Hg |
| BP Temp. °C | % by mole acetone |
| liquid | vapor |
| 78.3 | 0 | 0 |
| 76.4 | 3.3 | 11.1 |
| 74.0 | 7.8 | 21.6 |
| 70.8 | 14.9 | 34.5 |
| 69.1 | 19.5 | 41.0 |
| 65.6 | 31.6 | 53.4 |
| 63.4 | 41.4 | 61.4 |
| 61.3 | 53.2 | 69.7 |
| 59.0 | 69.1 | 79.6 |
| 57.3 | 85.2 | 89.6 |
| 56.1 | 100.0 | 100.0 |
Spectral data
| UV-Vis |
|---|
| λmax | 280 nm |
| Extinction coefficient, ε | 12.4 L/(mol·cm) @ 280 nm |
| IR |
| Major absorption bands | (liquid film) Wave number Transmittance 3414 cm−1 78% 3005 cm−1 66% 2966 cm−1 74% 2925 cm−1 77% 1749 cm−1 52% 1715 cm−1 4% 1434 cm−1 49% 1421 cm−1 47% 1363 cm−1 13% 1223 cm−1 12% 1093 cm−1 68% 903 cm−1 81% 531 cm−1 36% |
| (liquid film) |
| Wave number | Transmittance |
| 3414 cm−1 | 78% |
| 3005 cm−1 | 66% |
| 2966 cm−1 | 74% |
| 2925 cm−1 | 77% |
| 1749 cm−1 | 52% |
| 1715 cm−1 | 4% |
| 1434 cm−1 | 49% |
| 1421 cm−1 | 47% |
| 1363 cm−1 | 13% |
| 1223 cm−1 | 12% |
| 1093 cm−1 | 68% |
| 903 cm−1 | 81% |
| 531 cm−1 | 36% |
| NMR |
| Proton NMR | (CDCl3, 300 MHz) δ 2.16 (s, 6H) |
| Carbon-13 NMR | (CDCl3, 25 MHz) δ 206.6, 30.8 |
| Other NMR data | |
| MS |
| Masses of main fragments | |
- Linstrom, Peter J.; Mallard, William G. (eds.); , NIST Standard Reference Database Number 69, National Institute of Standards and Technology, Gaithersburg (MD)
- Except where noted otherwise, data relate to Standard temperature and pressure.
- Reliability of data general note.