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. Mallinckrodt Baker Science Stuff
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 changeof fusion, ΔfusSo +32.3 J/(mol·K) Std entropy changeof 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' constantsLange's Handbook of Chemistry 10th ed, pp 1522-1524 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.
Distillation data
Vapor-liquid Equilibrium of Acetone/waterP = 760 mmHg BPTemp.°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/MethanolP = 101.325 kPa BPTemp.°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/EthanolP = 760 mm Hg BPTemp.°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% 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
References