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

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 anhydride
• 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

• C_p,gas : Ideal gas heat capacity (J/mol×K).
• C_p,liquid : Liquid phase heat capacity (J/mol×K).
• η : Dynamic viscosity (Pa×s).
• Δ_fG° : Standard Gibbs free energy of formation (kJ/mol).
• Δ_fH°_gas : Enthalpy of formation at standard conditions (kJ/mol).
• Δ_fH°_liquid : Liquid phase enthalpy of formation at standard conditions (kJ/mol).
• Δ_fusH° : Enthalpy of fusion at standard conditions (kJ/mol).
• Δ_vapH° : Enthalpy of vaporization at standard conditions (kJ/mol).
• Δ_vapH : Enthalpy of vaporization at a given temperature (kJ/mol).
• IE : Ionization energy (eV).
• log₁₀WS : Log10 of Water solubility in mol/l.
• logP_oct/wat : Octanol/Water partition coefficient.
• McVol : McGowan's characteristic volume (ml/mol).
• P_c : Critical Pressure (kPa).
• P_vap : Vapor pressure (kPa).
• I_np : Non-polar retention indices.
• I : Polar retention indices.
• S°_gas : Molar entropy at standard conditions (J/mol×K).
• T_boil : Normal Boiling Point Temperature (K).
• T_boilr : Boiling point at reduced pressure (K).
• T_c : Critical Temperature (K).
• T_fus : Normal melting (fusion) point (K).
• V_c : Critical Volume (m³/kmol).
• ¹: Molecular weight from the IUPAC atomic weights tables.

Physical Properties

Property	Value	Unit	Source
ΔfG°	-380.04	kJ/mol	Joback Calculated Property
ΔfH°gas	-483.27	kJ/mol	Joback Calculated Property
ΔfH°liquid	-625.00 ± 3.40	kJ/mol	NIST
ΔfusH°	10.50	kJ/mol	Joback Calculated Property
ΔvapH°	40.40	kJ/mol	Joback Calculated Property
IE	10.00	eV	NIST
log10WS	-0.13		Crippen Calculated Property
logPoct/wat	0.096		Crippen Calculated Property
McVol	76.230	ml/mol	McGowan Calculated Property
Pc	[4000.00; 4680.00]	kPa
Pc	4000.00 ± 200.00	kPa	NIST
Pc	4680.00 ± 405.30	kPa	NIST
Inp	[699.00; 706.00]
Inp	706.00		NIST
Inp	706.00		NIST
Inp	699.00		NIST
Inp	706.00		NIST
I	[1227.00; 1240.00]
I	1236.00		NIST
I	1240.00		NIST
I	1227.00		NIST
I	1227.00		NIST
S°gas	389.95	J/mol×K	NIST
Tboil	[403.55; 413.15]	K
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	Outlier 403.55 ± 0.20	K	NIST
Tc	[569.00; 606.00]	K
Tc	606.00 ± 4.00	K	NIST
Tc	569.00 ± 20.00	K	NIST
Tfus	[199.02; 201.05]	K
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/kmol	Joback Calculated Property

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[140.13; 176.35]	J/mol×K	[421.08; 613.71]
Cp,gas	140.13	J/mol×K	421.08	Joback Calculated Property
Cp,gas	146.68	J/mol×K	453.18	Joback Calculated Property
Cp,gas	153.04	J/mol×K	485.29	Joback Calculated Property
Cp,gas	159.19	J/mol×K	517.39	Joback Calculated Property
Cp,gas	165.13	J/mol×K	549.50	Joback Calculated Property
Cp,gas	170.85	J/mol×K	581.60	Joback Calculated Property
Cp,gas	176.35	J/mol×K	613.71	Joback Calculated Property
Cp,liquid	[168.20; 204.34]	J/mol×K	[303.20; 333.15]
Cp,liquid	168.20	J/mol×K	303.20	NIST
Cp,liquid	200.73	J/mol×K	313.15	Heat Ca...
Cp,liquid	204.34	J/mol×K	333.15	Heat Ca...
η	[0.0005210; 0.0008880]	Pa×s	[293.15; 338.15]
η	0.0008880	Pa×s	293.15	Densiti...
η	0.0008290	Pa×s	298.15	Densiti...
η	0.0007780	Pa×s	303.15	Densiti...
η	0.0007290	Pa×s	308.15	Densiti...
η	0.0006880	Pa×s	313.15	Densiti...
η	0.0006480	Pa×s	318.15	Densiti...
η	0.0006100	Pa×s	323.15	Densiti...
η	0.0005800	Pa×s	328.15	Densiti...
η	0.0005480	Pa×s	333.15	Densiti...
η	0.0005210	Pa×s	338.15	Densiti...
ΔvapH	[43.30; 47.60]	kJ/mol	[366.50; 469.50]
ΔvapH	45.50	kJ/mol	366.50	NIST
ΔvapH	44.20	kJ/mol	374.00	NIST
ΔvapH	43.30	kJ/mol	389.00	NIST
ΔvapH	47.60	kJ/mol	469.50	NIST

Pressure Dependent Properties

Property	Value	Unit	Pressure (kPa)	Source
Tboilr	[317.00; 317.20]	K	[2.00; 2.00]
Tboilr	317.20	K	2.00	NIST
Tboilr	317.00	K	2.00	NIST

Correlations

Property	Value	Unit	Temperature (K)	Source
Pvap	[2.71e-05; 1447.59]	kPa	[200.15; 569.00]	KDB Vap...
Equation			ln(Pvp) = A + B/T + C*ln(T) + D*T^2
Coefficient A			1.70607e+02
Coefficient B			-1.12828e+04
Coefficient C			-2.37023e+01
Coefficient D			2.12043e-05
Temperature range, min.			200.15
Temperature range, max.			569.00
Pvap	2.71e-05	kPa	200.15	Calculated Property
Pvap	6.96e-03	kPa	241.13	Calculated Property
Pvap	0.24	kPa	282.12	Calculated Property
Pvap	2.58	kPa	323.10	Calculated Property
Pvap	14.10	kPa	364.08	Calculated Property
Pvap	50.47	kPa	405.07	Calculated Property
Pvap	139.20	kPa	446.05	Calculated Property
Pvap	327.62	kPa	487.03	Calculated Property
Pvap	704.19	kPa	528.02	Calculated Property
Pvap	1447.59	kPa	569.00	Calculated Property

Similar Compounds

Find more compounds similar to Acetic anhydride.

Mixtures

• Acetic anhydride + 2H-Pyran-2,6(3H)-dione, dihydro- + Carbon Tetrachloride
• Acetic anhydride + 2H-Pyran-2,6(3H)-dione, dihydro-
• Acetic anhydride + 2H-Pyran-2,6(3H)-dione, dihydro- + Acetic acid
• Acetic anhydride + Acetic acid
• Acetic anhydride + Carbon dioxide
• Benzenemethanol, «alpha»-methyl- + Acetic anhydride + Carbon dioxide
• Acetic anhydride + Ethanol
• Acetic anhydride + Acetic acid + Ethyl Acetate
• Acetic anhydride + Ethanol + Acetic acid
• Acetic anhydride + Ethanol + Ethyl Acetate

Sources

• KDB Vapor Pressure Data
• Crippen Method
• Crippen Method
• High pressure vapour liquid equilibria of the binary and some of the ternary and multicomponent mixtures of the carbon dioxide + acetic anhydride + alpha-methylbenzyl alcohol + acetic acid + alpha-methylbenzyl acetate system: Experimental and modelling results
• Measurement and correlation of solubility of D-camphor-10-sulfonic acid in pure solvents
• Solubility Determination and Thermodynamic Modeling of Glutaric Anhydride in Diverse Solvent Systems Consisting of Acetic Acid, Ethanoic Anhydride, and Tetrachloromethane from T = (278.45 to 324.45) K
• Evaluation of Excess Molar Enthalpies for a Quaternary Mixture System of Acetic Anhydride, Ethanol, Acetic Acid, and Ethyl Acetate
• Densities and Viscosities of Binary Mixtures of Acetic Acid with Acetic Anhydride and Methenamine at Different Temperatures
• Heat Capacities of Binary Mixtures of Acetic Acid with Acetic Anhydride and Methenamine at Different Temperatures
• Joback Method
• KDB
• McGowan Method
• NIST Webbook

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