Chemical Properties of Acetic acid, anhydride with formic acid (CAS 2258-42-6)

InChI

InChI=1S/C3H4O3/c1-3(5)6-2-4/h2H,1H3

InChI Key

ORWKVZNEPHTCQE-UHFFFAOYSA-N

Formula

C3H4O3

SMILES

CC(=O)OC=O

Molecular Weight¹

88.06

CAS

2258-42-6

Other Names

• Acetic formic anhydride

• ω : Acentric Factor.
• C_p,gas : Ideal gas heat capacity (J/mol×K).
• η : Dynamic viscosity (Pa×s).
• Δ_fH°_gas : 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).
• 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).
• I : Polar retention indices.
• T_boil : Normal Boiling Point Temperature (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
ω	0.4307		Relay (1.0) Calculated Property
ΔfH°gas	-537.80	kJ/mol	Relay (1.0) Calculated Property
ΔfusH°	10.18	kJ/mol	Joback Calculated Property
ΔvapH°	37.86	kJ/mol	Relay (1.0) Calculated Property
IE	10.82	eV	Relay (1.0) Calculated Property
log10WS	0.23		Relay (1.0) Calculated Property
logPoct/wat	-0.294		Crippen Calculated Property
McVol	62.140	ml/mol	McGowan Calculated Property
Pc	4910.80	kPa	Joback Calculated Property
I	[1436.00; 1436.00]
I	1436.00		NIST
I	1436.00		NIST
Tboil	361.55	K	Relay (1.0) Calculated Property
Tc	558.35	K	Relay (1.0) Calculated Property
Tfus	213.16	K	Relay (1.0) Calculated Property
Vc	0.237	m3/kmol	Relay (1.0) Calculated Property

Cheméo can also estimate Standard Gibbs free energy of formation for this compound, but it falls outside the models' validated range, so it is not shown here. Open the prediction tool to compute it on demand.

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[108.04; 135.71]	J/mol×K	[375.12; 559.40]
Cp,gas	108.04	J/mol×K	375.12	Joback Calculated Property
Cp,gas	113.05	J/mol×K	405.83	Joback Calculated Property
Cp,gas	117.91	J/mol×K	436.55	Joback Calculated Property
Cp,gas	122.61	J/mol×K	467.26	Joback Calculated Property
Cp,gas	127.15	J/mol×K	497.97	Joback Calculated Property
Cp,gas	131.52	J/mol×K	528.69	Joback Calculated Property
Cp,gas	135.71	J/mol×K	559.40	Joback Calculated Property
η	[0.0003392; 0.0042158]	Pa×s	[207.90; 375.12]
η	0.0042158	Pa×s	207.90	Joback Calculated Property
η	0.0021611	Pa×s	235.77	Joback Calculated Property
η	0.0012759	Pa×s	263.64	Joback Calculated Property
η	0.0008332	Pa×s	291.51	Joback Calculated Property
η	0.0005860	Pa×s	319.38	Joback Calculated Property
η	0.0004362	Pa×s	347.25	Joback Calculated Property
η	0.0003392	Pa×s	375.12	Joback Calculated Property

Similar Compounds

Find more compounds similar to Acetic acid, anhydride with formic acid.

Sources

• Cheméo Relay (1.0)
• Crippen Method
• Crippen Method
• Joback Method
• McGowan Method
• NIST Webbook

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