Acetone (data page)

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This page provides supplementary chemical data on acetone.

Material Safety Data Sheet

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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

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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

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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 		+30.3 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 [2] 96 J/(mol K)
Liquid properties
Std enthalpy change
of formation, ΔfHoliquid 		−249.4 kJ/mol
Standard molar entropy,
Soliquid 		200.4 J/(mol K)
Enthalpy of combustion, ΔcHo –1785.7 kJ/mol
Heat capacity, cp 125.5 J/(mol K)
Gas properties
Std enthalpy change
of formation, ΔfHogas 		−218.5 kJ/mol
Standard molar entropy,
Sogas 		295.35 J/(mol K)
Heat capacity, cp 75 J/(mol K)
van der Waals' constants[3] a = 1409.4 L2 kPa/mol2
b = 0.0994 liter per mole

Vapor pressure of liquid

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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.

Vapor pressure of acetone based on formula, PmmHg=107.02447−1161.0224+T from Lange's Handbook of Chemistry, 10th ed.
vapor pressure of acetone (log scale) based on formula, log10PmmHg=7.02447−1161.0224+T from Lange's Handbook of Chemistry, 10th ed.

Distillation data

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See also:

Vapor-liquid Equilibrium of Acetone/water[4]
P = 760 mmHg
BP
Temp.
°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/Methanol[4]
P = 101.325 kPa
BP
Temp.
°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/Ethanol[4]
P = 760 mm Hg
BP
Temp.
°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

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UV-Vis
λmax 280 nm
Extinction coefficient, ε 12.4 L/(mol·cm) @ 280 nm
IR
Major absorption bands[5]
(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

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  1. ^ Lange's Handbook of Chemistry, 10th ed. pp 1669-1674
  2. ^ Maass, O.; Walbauer, L.J., The specific heats and latent heats of fusion of ice and of several organic compounds, J. Am. Chem. Soc., 1925, 47, 1-9.
  3. ^ Lange's Handbook of Chemistry 10th ed, pp 1522-1524
  4. ^ a b c Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
  5. ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
  • Linstrom, Peter J.; Mallard, William G. (eds.); NIST Chemistry WebBook, NIST Standard Reference Database Number 69, National Institute of Standards and Technology, Gaithersburg (MD)
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