Acetone (data page)

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, ε_r	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, Δ_fusS^o	+32.3 J/(mol·K)
Std entropy change of vaporization, Δ_vapS^o	95 J/(mol·K)
Liquid properties
Standard molar entropy, S^o_liquid	200.4 J/(mol K)
Enthalpy of combustion, Δ_cH^o	–1785.7 kJ/mol
Gas properties
van der Waals' constants^[1]	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

BP Temp. °C	% by mole acetone
Vapor-liquid Equilibrium of Acetone/water^[2] P = 760 mmHg
BP Temp. °C	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

BP Temp. °C	% by mole methanol
Vapor-liquid Equilibrium of Acetone/Methanol^[2] P = 101.325 kPa
BP Temp. °C	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

BP Temp. °C	% by mole acetone
Vapor-liquid Equilibrium of Acetone/Ethanol^[2] P = 760 mm Hg
BP Temp. °C	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

λ_max

280 nm

Extinction coefficient, ε

12.4 L/(mol·cm) @ 280 nm

IR

Major absorption bands^[3]

Wave number	Transmittance
(liquid film)
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

^ Lange's Handbook of Chemistry 10th ed, pp 1522-1524
^ ^a ^b ^c "Binary Vapor-Liquid Equilibrium Data". Chemical Engineering Research Information Center. Archived from the original (Queriable database) on 29 August 2007. Retrieved 6 June 2007.
^ "Spectral Database for Organic Compounds". Advanced Industrial Science and Technology. Archived from the original (Queriable database) on 5 May 2006. Retrieved 7 June 2007.

Linstrom, Peter J.; Mallard, William G. (eds.); NIST Chemistry WebBook, NIST Standard Reference Database Number 69, National Institute of Standards and Technology, Gaithersburg (MD)

This box:

Except where noted otherwise, data relate to Standard temperature and pressure.
Reliability of data general note.

[lange1522-1] Lange's Handbook of Chemistry 10th ed, pp 1522-1524

[cheric-2] "Binary Vapor-Liquid Equilibrium Data". Chemical Engineering Research Information Center. Archived from the original (Queriable database) on 29 August 2007. Retrieved 6 June 2007.

[aist-3] "Spectral Database for Organic Compounds". Advanced Industrial Science and Technology. Archived from the original (Queriable database) on 5 May 2006. Retrieved 7 June 2007.

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