Chemical Properties of Propanoic acid, 2-hydroxy-2-methyl-

InChI

InChI=1S/C4H8O3/c1-4(2,7)3(5)6/h7H,1-2H3,(H,5,6)

InChI Key

BWLBGMIXKSTLSX-UHFFFAOYSA-N

Formula

C4H8O3

SMILES

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

Molecular Weight¹

104.10

Other Names

• (CH3)2COHCOOH
• 2-Hydroxy-2-methylpropionic acid
• 2-hydroxy-2-methylpropanoic acid
• 2-hydroxyisobutyric acid
• 2-methyllactic acid
• Acetonic acid
• Hydroxydimethylacetic acid
• Lactic acid, 2-methyl-
• NSC 402158
• NSC 4505
• Propanoic acid, 2-methyl-2-hydroxy-
• «alpha»-Hydroxyisobutanoic acid
• «alpha»-Hydroxyisobutyric acid

• ω : Acentric Factor.
• C_p,gas : Ideal gas 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_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).
• ρ_s : Solid Density (kg/m³).
• I : Polar retention indices.
• 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
ω	0.7067		Relay (1.0) Calculated Property
ΔfG°	-495.09	kJ/mol	Joback Calculated Property
ΔfH°gas	-650.29	kJ/mol	Relay (1.0) Calculated Property
ΔfusH°	12.93	kJ/mol	Joback Calculated Property
ΔvapH°	74.77	kJ/mol	Relay (1.0) Calculated Property
IE	10.90 ± 0.10	eV	NIST
log10WS	0.98		Relay (1.0) Calculated Property
logPoct/wat	-0.158		Crippen Calculated Property
McVol	80.530	ml/mol	McGowan Calculated Property
Pc	5087.49	kPa	Joback Calculated Property
I	[1918.00; 1918.00]
I	1918.00		NIST
I	1918.00		NIST
Tboil	485.20	K	NIST
Tc	671.85	K	Relay (1.0) Calculated Property
Tfus	354.00 ± 3.00	K	NIST
Vc	0.318	m3/kmol	Relay (1.0) Calculated Property

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[188.86; 224.25]	J/mol×K	[525.58; 719.84]
Cp,gas	188.86	J/mol×K	525.58	Joback Calculated Property
Cp,gas	195.84	J/mol×K	557.96	Joback Calculated Property
Cp,gas	202.34	J/mol×K	590.33	Joback Calculated Property
Cp,gas	208.40	J/mol×K	622.71	Joback Calculated Property
Cp,gas	214.06	J/mol×K	655.09	Joback Calculated Property
Cp,gas	219.33	J/mol×K	687.46	Joback Calculated Property
Cp,gas	224.25	J/mol×K	719.84	Joback Calculated Property
η	[0.0001473; 0.0030325]	Pa×s	[358.68; 525.58]
η	0.0030325	Pa×s	358.68	Joback Calculated Property
η	0.0015279	Pa×s	386.50	Joback Calculated Property
η	0.0008441	Pa×s	414.31	Joback Calculated Property
η	0.0005024	Pa×s	442.13	Joback Calculated Property
η	0.0003180	Pa×s	469.95	Joback Calculated Property
η	0.0002119	Pa×s	497.76	Joback Calculated Property
η	0.0001473	Pa×s	525.58	Joback Calculated Property
ΔvapH	67.50	kJ/mol	428.00	NIST
ρs	1240.00	kg/m3	293.00	Thermodynamic properties of 2-methyl lactic acid

Pressure Dependent Properties

Similar Compounds

Find more compounds similar to Propanoic acid, 2-hydroxy-2-methyl-.

Sources

• Cheméo Relay (1.0)
• Crippen Method
• Crippen Method
• Thermodynamic properties of 2-methyl lactic acid
• Joback Method
• McGowan Method
• NIST Webbook

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