Chemical Properties of 2,2-Dimethylpropanoic anhydride (CAS 1538-75-6)

InChI

InChI=1S/C10H18O3/c1-9(2,3)7(11)13-8(12)10(4,5)6/h1-6H3

InChI Key

PGZVFRAEAAXREB-UHFFFAOYSA-N

Formula

C10H18O3

SMILES

CC(C)(C)C(=O)OC(=O)C(C)(C)C

Molecular Weight¹

186.25

CAS

1538-75-6

Other Names

• Trimethylacetic anhydride
• Pivalic anhydride
• Pivalic anydride
• Propanoic acid, 2,2-dimethyl-, anhydride

• 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).
• 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).
• I_np : Non-polar retention indices.
• T_boil : Normal Boiling Point Temperature (K).
• T_c : Critical Temperature (K).
• T_fus : Normal melting (fusion) point (K).
• ¹: Molecular weight from the IUPAC atomic weights tables.

Physical Properties

Cheméo can also estimate Critical Pressure, Critical Volume, Standard Gibbs free energy of formation, Acentric Factor for this compound, but they fall outside the models' validated range, so they are not shown here. Open the prediction tool to compute them on demand.

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[391.40; 470.63]	J/mol×K	[534.03; 733.80]
Cp,gas	391.40	J/mol×K	534.03	Joback Calculated Property
Cp,gas	406.88	J/mol×K	567.32	Joback Calculated Property
Cp,gas	421.39	J/mol×K	600.62	Joback Calculated Property
Cp,gas	434.98	J/mol×K	633.91	Joback Calculated Property
Cp,gas	447.70	J/mol×K	667.21	Joback Calculated Property
Cp,gas	459.56	J/mol×K	700.50	Joback Calculated Property
Cp,gas	470.63	J/mol×K	733.80	Joback Calculated Property
η	[0.0001926; 0.0062041]	Pa×s	[299.56; 534.03]
η	0.0062041	Pa×s	299.56	Joback Calculated Property
η	0.0024908	Pa×s	338.64	Joback Calculated Property
η	0.0012078	Pa×s	377.72	Joback Calculated Property
η	0.0006708	Pa×s	416.79	Joback Calculated Property
η	0.0004121	Pa×s	455.87	Joback Calculated Property
η	0.0002734	Pa×s	494.95	Joback Calculated Property
η	0.0001926	Pa×s	534.03	Joback Calculated Property
ΔvapH	[40.30; 50.70]	kJ/mol	[434.00; 434.00]
ΔvapH	50.70 ± 0.20	kJ/mol	434.00	NIST
ΔvapH	47.40 ± 0.20	kJ/mol	434.00	NIST
ΔvapH	44.00 ± 0.40	kJ/mol	434.00	NIST
ΔvapH	40.30 ± 0.70	kJ/mol	434.00	NIST

Similar Compounds

Find more compounds similar to 2,2-Dimethylpropanoic anhydride.

Sources

• Cheméo Relay (1.0)
• Cheméo Relay (1.0, beta) Beta: served but experimental, data-limited and below our cross-validation release bar; the Joback value is recommended where available.
• Crippen Method
• Crippen Method
• Joback Method
• McGowan Method
• NIST Webbook

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