Ensemble average
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 recommend 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, nD | 1.3561 |
Dielectric constant, εr | 20.7 ε0 at 25°C |
Bond strength | ? |
Bond length | ? |
Bond angle | ? |
Magnetic susceptibility | ? |
Surface tension | 26.2 dyn/cm at 0° 23.7 dyn/cm at 20°C |
Viscosity[1] | 0.4013 mPa·s at 0°C 0.3311 mPa·s at 20°C 0.2562 mPa·s at 50°C |
Thermodynamic properties
Phase behavior | |
---|---|
Triple point | 178.5 K (−94.3 °C), ? Pa |
Critical point | 508 K (235 °C), 48 bar |
Std enthalpy change of fusion, ΔfusH |
+5.7 kJ/mol |
Std entropy change of fusion, ΔfusS |
+32.3 J/(mol·K) |
Std enthalpy change of vaporization, ΔvapH |
+31.3 kJ/mol |
Std entropy change of vaporization, ΔvapS |
95 J/(mol·K) |
Solid properties | |
Std enthalpy change of formation, ΔfH |
? kJ/mol |
Standard molar entropy, S |
? J/(mol K) |
Heat capacity, cp | ? J/(mol K) |
Liquid properties | |
Std enthalpy change of formation, ΔfH |
−249.4 kJ/mol |
Standard molar entropy, S |
200.4 J/(mol K) |
Enthalpy of combustion, ΔcH |
–1785.7 kJ/mol |
Heat capacity, cp | 125.5 J/(mol K) |
Gas properties | |
Std enthalpy change of formation, ΔfH |
−218.5 kJ/mol |
Standard molar entropy, S |
? J/(mol K) |
Heat capacity, cp | 75 J/(mol K) |
van der Waals' constants[2] | 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
See also:
|
|
|
Spectral data
UV-Vis | |||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
λmax | 280 nm | ||||||||||||||||||||||||||||||
Extinction coefficient, ε | 12.4 L/(mol·cm) @ 280 nm | ||||||||||||||||||||||||||||||
IR | |||||||||||||||||||||||||||||||
Major absorption bands[4] |
| ||||||||||||||||||||||||||||||
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
- ↑ Lange's Handbook of Chemistry, 10th ed. pp 1669-1674
- ↑ Lange's Handbook of Chemistry 10th ed, pp 1522-1524
- ↑ 3.0 3.1 3.2 Template:Cite web
- ↑ Template:Cite web
Except where noted otherwise, data relate to standard ambient temperature and pressure.
Disclaimer applies.