Chemical Properties of Acetic acid (CAS 64-19-7)

Acetic acid

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InChI
InChI=1S/C2H4O2/c1-2(3)4/h1H3,(H,3,4)
InChI Key
QTBSBXVTEAMEQO-UHFFFAOYSA-N
Formula
C2H4O2
SMILES
CC(=O)O
Molecular Weight1
60.05
CAS
64-19-7
Other Names
  • Acetasol
  • Acetic acid, glacial
  • Aci-jel
  • Acide acetique
  • Acido acetico
  • Azijnzuur
  • CH3COOH
  • Essigsaeure
  • Ethanoic acid
  • Ethanoic acid monomer
  • Ethylic acid
  • Glacial acetic acid
  • Kyselina octova
  • Methanecarboxylic acid
  • NSC 132953
  • Octowy kwas
  • Shotgun
  • UN 2789
  • Vinegar acid
Sources

Physical Properties

Property Value Unit Source
PAff 783.70 kJ/mol NIST
BasG 752.80 kJ/mol NIST
Δcliquid [-875.16; -872.40] kJ/mol Show Hide
Δcliquid -875.16 ± 0.34 kJ/mol NIST
Δcliquid -874.20 ± 0.20 kJ/mol NIST
Δcliquid -874.50 ± 0.40 kJ/mol NIST
Δcliquid -872.40 kJ/mol NIST
Δf -299.78 kJ/mol Joback Calculated Property
Δfgas [-435.40; -431.90] kJ/mol Show Hide
Δfgas -431.90 ± 1.50 kJ/mol NIST
Δfgas -431.90 ± 1.50 kJ/mol NIST
Δfgas -432.90 ± 1.50 kJ/mol NIST
Δfgas -432.90 ± 1.50 kJ/mol NIST
Δfgas -432.50 ± 1.60 kJ/mol NIST
Δfgas -432.50 ± 1.60 kJ/mol NIST
Δfgas -435.40 kJ/mol NIST
Δfgas -435.40 ± 4.30 kJ/mol NIST
Δfliquid [-487.00; -483.52] kJ/mol Show Hide
Δfliquid -483.52 ± 0.36 kJ/mol NIST
Δfliquid -484.50 ± 0.20 kJ/mol NIST
Δfliquid -484.10 ± 0.40 kJ/mol NIST
Δfliquid -487.00 kJ/mol NIST
Δfus 6.62 kJ/mol Joback Calculated Property
Δvap [50.30; 51.60] kJ/mol Show Hide
Δvap 50.30 kJ/mol NIST
Δvap 51.60 kJ/mol NIST
Δvap 51.60 ± 1.50 kJ/mol NIST
Δvap 51.60 ± 1.60 kJ/mol NIST
IE [10.35; 11.50] eV Show Hide
IE 10.65 ± 0.02 eV NIST
IE 10.63 eV NIST
IE 10.66 eV NIST
IE 10.66 ± 0.05 eV NIST
IE 10.66 eV NIST
IE 10.66 ± 0.05 eV NIST
IE 10.66 ± 0.00 eV NIST
IE 10.64 ± 0.00 eV NIST
IE 10.65 eV NIST
IE 10.69 ± 0.03 eV NIST
IE 10.70 eV NIST
IE 10.37 ± 0.03 eV NIST
IE 10.38 ± 0.03 eV NIST
IE 10.35 ± 0.03 eV NIST
IE 10.90 eV NIST
IE 10.84 eV NIST
IE 10.63 eV NIST
IE Outlier 11.50 eV NIST
IE 10.87 eV NIST
IE 10.80 eV NIST
logPoct/wat 0.091 Crippen Calculated Property
Pc [5781.00; 5829.01] kPa Show Hide
Pc 5781.00 ± 20.00 kPa NIST
Pc 5829.01 ± 90.00 kPa NIST
Pc 5786.00 ± 8.00 kPa NIST
Pc 5787.00 ± 101.32 kPa NIST
Pc 5786.70 ± 26.66 kPa NIST
gas 282.84 J/mol×K NIST
liquid 158.00 J/mol×K NIST
liquid 193.70 J/mol×K NIST
Tboil [374.20; 392.40] K Show Hide
Tboil 391.05 ± 0.20 K NIST
Tboil 391.20 ± 0.20 K NIST
Tboil 391.09 ± 0.30 K NIST
Tboil 391.10 ± 0.15 K NIST
Tboil 391.10 K NIST
Tboil 391.30 ± 0.50 K NIST
Tboil 390.20 ± 0.50 K NIST
Tboil 392.00 ± 2.00 K NIST
Tboil 391.30 ± 0.50 K NIST
Tboil 390.78 ± 0.30 K NIST
Tboil 391.70 ± 0.30 K NIST
Tboil 391.10 K NIST
Tboil 391.30 ± 0.50 K NIST
Tboil 391.40 ± 0.30 K NIST
Tboil 391.30 ± 0.30 K NIST
Tboil 391.10 ± 0.30 K NIST
Tboil 391.30 ± 0.30 K NIST
Tboil 391.05 ± 0.15 K NIST
Tboil 391.30 ± 0.40 K NIST
Tboil 391.10 ± 0.20 K NIST
Tboil 391.10 ± 0.15 K NIST
Tboil 391.36 ± 0.15 K NIST
Tboil 391.40 ± 0.20 K NIST
Tboil 391.30 ± 0.30 K NIST
Tboil 390.50 ± 1.00 K NIST
Tboil 391.10 ± 0.40 K NIST
Tboil 391.20 ± 0.20 K NIST
Tboil 391.00 ± 1.00 K NIST
Tboil 390.70 ± 1.00 K NIST
Tboil 391.41 ± 0.40 K NIST
Tboil 391.90 ± 0.20 K NIST
Tboil 391.30 ± 0.50 K NIST
Tboil 391.30 ± 0.50 K NIST
Tboil 391.70 ± 0.50 K NIST
Tboil 389.00 ± 2.00 K NIST
Tboil 391.70 ± 0.50 K NIST
Tboil 391.30 ± 0.50 K NIST
Tboil 389.80 ± 2.00 K NIST
Tboil 390.85 ± 0.50 K NIST
Tboil 391.00 ± 0.15 K NIST
Tboil 391.10 ± 0.15 K NIST
Tboil 391.07 ± 0.15 K NIST
Tboil 391.10 ± 0.15 K NIST
Tboil 391.30 ± 0.50 K NIST
Tboil 389.70 ± 2.00 K NIST
Tboil 390.87 ± 0.30 K NIST
Tboil 391.30 ± 0.50 K NIST
Tboil 391.00 ± 1.00 K NIST
Tboil 391.00 ± 1.00 K NIST
Tboil 391.20 ± 0.30 K NIST
Tboil 391.00 ± 1.00 K NIST
Tboil 391.30 ± 0.50 K NIST
Tboil 391.30 ± 0.40 K NIST
Tboil 391.70 ± 1.00 K NIST
Tboil 391.40 ± 0.50 K NIST
Tboil 391.30 ± 0.20 K NIST
Tboil 391.30 ± 0.50 K NIST
Tboil Outlier 386.00 ± 5.00 K NIST
Tboil 391.00 ± 0.50 K NIST
Tboil 391.00 ± 0.20 K NIST
Tboil 391.50 ± 0.40 K NIST
Tboil 391.00 ± 0.50 K NIST
Tboil 391.00 ± 0.40 K NIST
Tboil 391.40 ± 0.30 K NIST
Tboil 391.00 ± 0.40 K NIST
Tboil 392.40 ± 1.00 K NIST
Tboil 391.00 ± 1.00 K NIST
Tboil 391.00 ± 0.40 K NIST
Tboil 391.00 ± 0.40 K NIST
Tboil 391.30 ± 0.50 K NIST
Tboil 391.50 ± 0.50 K NIST
Tboil 390.90 ± 1.00 K NIST
Tboil 391.00 ± 1.00 K NIST
Tboil Outlier 374.20 ± 0.40 K NIST
Tboil 391.90 ± 0.60 K NIST
Tboil 391.26 ± 0.30 K NIST
Tboil 388.70 ± 5.00 K NIST
Tboil 391.00 ± 1.00 K NIST
Tboil 391.70 ± 0.40 K NIST
Tboil Outlier 382.70 ± 10.00 K NIST
Tboil 391.00 ± 1.00 K NIST
Tboil 389.70 ± 2.00 K NIST
Tboil 391.20 ± 0.60 K NIST
Tboil 391.40 ± 0.40 K NIST
Tboil 391.60 ± 0.40 K NIST
Tboil 391.30 ± 0.50 K NIST
Tboil 390.30 ± 1.00 K NIST
Tboil 391.30 ± 0.60 K NIST
Tboil 391.25 ± 0.60 K NIST
Tboil 390.45 ± 1.50 K NIST
Tboil 390.45 ± 1.50 K NIST
Tc [590.70; 594.80] K Show Hide
Tc 592.90 ± 1.00 K NIST
Tc 590.70 ± 0.40 K NIST
Tc 590.84 ± 2.00 K NIST
Tc 592.70 K NIST
Tc 592.71 ± 0.07 K NIST
Tc 594.35 ± 0.40 K NIST
Tc 594.45 ± 0.40 K NIST
Tc 594.50 ± 0.40 K NIST
Tc 594.75 ± 4.00 K NIST
Tc 594.80 ± 4.00 K NIST
Tfus [289.00; 289.85] K Show Hide
Tfus 289.70 ± 0.03 K NIST
Tfus 289.85 K NIST
Tfus 289.62 ± 0.10 K NIST
Tfus 289.49 ± 0.05 K NIST
Tfus 289.75 ± 0.05 K NIST
Tfus 289.80 ± 0.30 K NIST
Tfus 289.67 ± 0.05 K NIST
Tfus Outlier 289.00 ± 1.50 K NIST
Tfus 289.69 ± 0.20 K NIST
Ttriple 289.80 ± 0.05 K NIST
Ttriple 289.69 ± 0.04 K NIST
Ttriple 289.80 ± 0.15 K NIST
Vc 0.172 m3/kg-mol Joback Calculated Property

Temperature Dependent Properties

Property Value Unit Temperature (K) Source
Cp,gas 77.89 J/mol×K 391.21 Joback Calculated Property
Cp,liquid [120.50; 159.80] J/mol×K [294.70; 332.00] Show Hide
Plot of Liquid phase heat capacity.
Cp,liquid 123.40 J/mol×K 294.7 NIST
Cp,liquid 121.30 J/mol×K 297.1 NIST
Cp,liquid 120.50 J/mol×K 298.0 NIST
Cp,liquid 123.50 J/mol×K 298.0 NIST
Cp,liquid 159.80 J/mol×K 298.1 NIST
Cp,liquid 123.10 J/mol×K 298.15 NIST
Cp,liquid 137.00 J/mol×K 311.0 NIST
Cp,liquid 139.70 J/mol×K 332.0 NIST
η 0.0003585 Pa×s 391.21 Joback Calculated Property
ΔfusH [10.83; 11.73] kJ/mol [283.70; 298.70] Show Hide
Plot of Enthalpy of fusion at a given temperature.
ΔfusH 11.52 kJ/mol 283.7 NIST
ΔfusH 10.83 kJ/mol 289.8 NIST
ΔfusH 11.73 kJ/mol 289.9 NIST
ΔfusH 11.13 kJ/mol 290.06 NIST
ΔfusH 11.72 kJ/mol 298.7 NIST
ΔfusH 11.72 kJ/mol 298.7 NIST
ΔsubH 67.00 ± 1.00 kJ/mol 221.5 NIST
ΔsubH 70.00 ± 1.00 kJ/mol 221.5 NIST
ΔvapH [23.70; 43.00] kJ/mol [308.00; 559.00] Show Hide
Plot of Enthalpy of vaporization at a given temperature.
ΔvapH 43.00 kJ/mol 308.0 NIST
ΔvapH 41.60 kJ/mol 340.5 NIST
ΔvapH 42.00 kJ/mol 343.0 NIST
ΔvapH 41.60 kJ/mol 351.0 NIST
ΔvapH 40.90 kJ/mol 357.5 NIST
ΔvapH 40.30 kJ/mol 358.0 NIST
ΔvapH 39.10 kJ/mol 364.0 NIST
ΔvapH 23.70 kJ/mol 391.1 NIST
ΔvapH 38.70 kJ/mol 419.0 NIST
ΔvapH 37.90 kJ/mol 470.5 NIST
ΔvapH 38.10 kJ/mol 486.0 NIST
ΔvapH 38.80 kJ/mol 559.0 NIST
ΔfusS 40.47 J/mol×K 289.9 NIST
ΔfusS 38.36 J/mol×K 290.06 NIST

Molecular Descriptors

Joback and Reid Groups
-OH (alcohol) 1
>C=O (nonring) 1
-CH3 1

Similar Compounds

Acetic acid, cobaltous salt, tetrahydrate. MeCO2 anion. Lithium acetate dihydrate. Thallium acetate. Molybdenum, tetrakis[.mu.-(acetato-o:o')]di-, (mo-mo). Cupric acetate, hydrate. Lead tetraacetate. Acetic acid, magnesium salt, hydrate (2:1:4). Stannane, (acetyloxy)triethyl-. Acetic acid, sodium salt. Acetic acid, potassium salt. Magnesium acetate. Sodium acetate trihydrate. Ammonium acetate. Ammonium acetate.

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