Butanone (data page) explained

This page provides supplementary chemical data on butanone.

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.

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Structure and properties

	Structure and properties
Index of refraction, nD	1.3807 at 15.9 °C
Abbe number	32
Dielectric constant, εr	18.5 ε0 at 20 °C
Bond strength	2.67 pa
Bond length	r.
Bond angle	?
Magnetic susceptibility	?
Surface tension	23.9 dyn/cm at 25 °C
Viscosity^[1]	0.5429 mPa·s at 0 °C 0.4284 mPa·s at 20 °C 0.3490 mPa·s at 40 °C 0.2482 mPa·s at 80 °C

Thermodynamic properties

	Phase behavior
Triple point	186.5 K (–86.5 °C), ? Pa
Critical point	533 K (260 °C), 4.002 MPa
Std enthalpy change of fusion, ΔfusH^o	8.44 kJ/mol
Std entropy change of fusion, ΔfusS^o	44.98 J/(mol·K)
Std enthalpy change of vaporization, ΔvapH^o	32.2 kJ/mol
Std entropy change of vaporization, ΔvapS^o	91.6 J/(mol·K)
	Solid properties
Std enthalpy change of formation, ΔfH^osolid	? kJ/mol
Standard molar entropy, S^osolid	? J/(mol K)
Heat capacity, cp	? J/(mol K)
	Liquid properties
Std enthalpy change of formation, ΔfH^oliquid	–273.3 kJ/mol
Standard molar entropy, S^oliquid	239.0 J/(mol K)
Enthalpy of combustion, ΔcH^o	–2444.2 kJ/mol
Heat capacity, cp	158.4 J/(mol K)
	Gas properties
Std enthalpy change of formation, ΔfH^ogas	–238.5 kJ/mol
Standard molar entropy, S^ogas	310 J/(mol K)
Heat capacity, cp	101.68 J/(mol K) at 25 °C

Vapor pressure of liquid

	P in mm Hg	1	10	40	100	400	760
	T in °C	–48.3	–17.7	6.0	25.0	60.0	79.6

Table data obtained from CRC Handbook of Chemistry and Physics 44th ed.

Spectral data

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

References

1. Lange's Handbook of Chemistry, 10th ed. pp 1669-1674