Chemical Properties of Acetic acid anhydride (CAS 108-24-7)

Acetic acid anhydride

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InChI
InChI=1S/C4H6O3/c1-3(5)7-4(2)6/h1-2H3
InChI Key
WFDIJRYMOXRFFG-UHFFFAOYSA-N
Formula
C4H6O3
SMILES
CC(=O)OC(C)=O
Molecular Weight1
102.09
CAS
108-24-7
Other Names
  • (CH3CO)2O
  • Acetanhydride
  • Acetic acid, 1,1'-anhydride
  • Acetic acid, anhydride
  • Acetic oxide
  • Acetyl acetate
  • Acetyl anhydride
  • Acetyl ether
  • Acetyl oxide
  • Anhydrid kyseliny octove
  • Anhydride acetique
  • Anidride acetica
  • Azijnzuuranhydride
  • Essigsaeureanhydrid
  • Ethanoic anhydrate
  • Ethanoic anhydride
  • Octowy bezwodnik
  • UN 1715
Sources

Physical Properties

Property Value Unit Source
Δf -380.04 kJ/mol Joback Calculated Property
Δfgas -483.27 kJ/mol Joback Calculated Property
Δfliquid -625.00 ± 3.40 kJ/mol NIST
Δfus 10.50 kJ/mol Joback Calculated Property
Δvap 40.40 kJ/mol Joback Calculated Property
IE 10.00 eV NIST
logPoct/wat 0.096 Crippen Calculated Property
Pc 4000.00 ± 200.00 kPa NIST
Pc 4680.00 ± 405.30 kPa NIST
gas 389.95 J/mol×K NIST
Tboil [317.00; 413.15] K Show Hide
Tboil Outlier 317.20 K NIST
Tboil Outlier 317.00 K NIST
Tboil 412.70 K NIST
Tboil 412.70 K NIST
Tboil 412.65 ± 0.40 K NIST
Tboil 412.15 ± 1.00 K NIST
Tboil 412.65 ± 0.50 K NIST
Tboil 412.60 ± 0.50 K NIST
Tboil 413.00 ± 0.40 K NIST
Tboil 412.55 ± 1.00 K NIST
Tboil 410.00 ± 3.00 K NIST
Tboil 413.15 ± 0.30 K NIST
Tboil 403.55 ± 0.20 K NIST
Tc 606.00 ± 4.00 K NIST
Tc 569.00 ± 20.00 K NIST
Tfus [199.02; 201.05] K Show Hide
Tfus 200.00 K NIST
Tfus 200.15 ± 0.30 K NIST
Tfus 199.05 ± 1.00 K NIST
Tfus 199.02 ± 0.07 K NIST
Tfus 199.11 ± 2.00 K NIST
Tfus 200.15 ± 1.00 K NIST
Tfus 201.05 ± 0.50 K NIST
Tfus 200.15 ± 0.40 K NIST
Tfus 200.05 ± 0.40 K NIST
Vc 0.289 m3/kg-mol Joback Calculated Property

Temperature Dependent Properties

Property Value Unit Temperature (K) Source
Cp,gas 140.13 J/mol×K 421.08 Joback Calculated Property
Cp,liquid 168.20 J/mol×K 303.2 NIST
η 0.0003322 Pa×s 421.08 Joback Calculated Property
ΔvapH [43.30; 47.60] kJ/mol [366.50; 469.50] Show Hide
ΔvapH 45.50 kJ/mol 366.5 NIST
ΔvapH 44.20 kJ/mol 374.0 NIST
ΔvapH 43.30 kJ/mol 389.0 NIST
ΔvapH 47.60 kJ/mol 469.5 NIST

Molecular Descriptors

Joback and Reid Groups
-O- (nonring) 1
>C=O (nonring) 2
-CH3 2

Similar Compounds

Acetic acid, anhydride with formic acid. Ethyl acetate. Acetic acid, methyl ester. Acetic acid, 1-methylethyl ester. Acetic acid, propyl ester. Ethylene glycol monoacetate. Ethanol, 2-bromo-, acetate. Acetic acid, 2-propenyl ester. Propanoic acid, ethyl ester. Acetic acid, hydroxy-, ethyl ester. 2-Propyn-1-ol, acetate. 2-Sulfanylethyl acetate. Ethanol, 2-chloro-, acetate. «beta»-Iodoethyl acetate. Acetic acid, 2-mercaptoethyl ester.

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Outlier This icon means that the value is more than 2 standard deviations away from the property mean.