Acetone (data page)

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This page provides supplementary chemical data on acetone.

Contents 1 Material Safety Data Sheet 2 Structure and properties 3 Thermodynamic properties 4 Spectral data 5 References

[edit] 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 such as SIRI, and follow its directions.

[edit] 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	?

[edit] 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, ΔfusHo	+5.7 kJ/mol
Std entropy change of fusion, ΔfusSo	+32.3 J/(mol·K)
Std enthalpy change of vaporization, ΔvapHo	+31.3 kJ/mol
Std entropy change of vaporization, ΔvapSo	95 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	−249.4 kJ/mol
Standard molar entropy, Soliquid	200.4 J/(mol K)
Heat capacity, cp	125.5 J/(mol K)
Gas properties
Std enthalpy change of formation, ΔfHogas	−218.5 kJ/mol
Standard molar entropy, Sogas	? J/(mol K)
Heat capacity, cp	75 J/(mol K)

[edit] Spectral data

UV-Vis
λmax	? nm
Extinction coefficient, ε	?
IR
Major absorption bands	? cm−1
NMR
Proton NMR
Carbon-13 NMR
Other NMR data
MS
Masses of main fragments

[edit] References

• NIST Chemistry WebBook

Except where noted otherwise, data relate to standard ambient temperature and pressure.

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