Chemical Properties of 4-Aminobutanoic acid (CAS 56-12-2)

InChI

InChI=1S/C4H9NO2/c5-3-1-2-4(6)7/h1-3,5H2,(H,6,7)

InChI Key

BTCSSZJGUNDROE-UHFFFAOYSA-N

Formula

C4H9NO2

SMILES

NCCCC(=O)O

Molecular Weight¹

103.12

CAS

56-12-2

Other Names

• .gamma.-aminobutyric acid
• .omega.-aminobutyric acid
• 3-carboxypropylamine
• 4-Amino-n-butyric acid
• 4-aminobutanoic acid [GABA]
• 4-aminobutyric acid
• Aminalon
• Aminobutyric acid,-4-
• Butanoic acid, 4-amino-
• Butyric acid, 4-amino-
• DF 468
• GABA
• Gaballon
• Gamarex
• Gamastan
• Gammagee
• Gammalon
• Gammalone
• Gammar
• Gammasol
• Gamulin
• Globulin, immune human serum
• Immu-G
• Immuglobin
• Mielogen
• Mielomade
• NSC 27418
• Reanal
• piperidic acid
• piperidinic acid
• «gamma»-Amino-n-butyric acid
• «gamma»-Aminobutanoic acid
• «gamma»-Aminobutyric acid
• «omega»-Aminobutyric acid

• ω : Acentric Factor.
• Δ_cH°_solid : Standard solid enthalpy of combustion (kJ/mol).
• C_p,gas : Ideal gas heat capacity (J/mol×K).
• C_p,solid : Solid phase heat capacity (J/mol×K).
• Δ_fG° : Standard Gibbs free energy of formation (kJ/mol).
• Δ_fH°_gas : Enthalpy of formation at standard conditions (kJ/mol).
• Δ_fH°_solid : Solid phase enthalpy of formation at standard conditions (kJ/mol).
• Δ_fusH° : Enthalpy of fusion at standard conditions (kJ/mol).
• Δ_subH° : Enthalpy of sublimation at standard conditions (kJ/mol).
• Δ_subH : Enthalpy of sublimation at a given temperature (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).
• 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	0.7016		Relay (1.0) Calculated Property
ΔcH°solid	[-2282.40; -2279.23]	kJ/mol
ΔcH°solid	-2280.00 ± 4.70	kJ/mol	NIST
ΔcH°solid	-2279.23 ± 0.11	kJ/mol	NIST
ΔcH°solid	-2282.40 ± 0.84	kJ/mol	NIST
ΔfG°	-294.66	kJ/mol	Joback Calculated Property
ΔfH°gas	-441.00 ± 2.00	kJ/mol	NIST
ΔfH°solid	[-581.10; -561.00]	kJ/mol
ΔfH°solid	-561.00 ± 4.70	kJ/mol	NIST
ΔfH°solid	-581.10 ± 0.30	kJ/mol	NIST
ΔfusH°	21.46	kJ/mol	Joback Calculated Property
ΔsubH°	140.00 ± 2.00	kJ/mol	NIST
ΔvapH°	74.95	kJ/mol	Relay (1.0) Calculated Property
IE	[8.70; 9.60]	eV
IE	8.70	eV	NIST
IE	9.60	eV	NIST
log10WS	0.59		Relay (1.0) Calculated Property
logPoct/wat	-0.190		Crippen Calculated Property
McVol	84.640	ml/mol	McGowan Calculated Property
Pc	4717.12	kPa	Joback Calculated Property
Tboil	504.76	K	Relay (1.0) Calculated Property
Tc	711.64	K	Relay (1.0) Calculated Property
Tfus	426.69	K	Relay (1.0) Calculated Property
Vc	0.299	m3/kmol	Relay (1.0) Calculated Property

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[192.78; 234.40]	J/mol×K	[509.16; 714.25]
Cp,gas	192.78	J/mol×K	509.16	Joback Calculated Property
Cp,gas	200.75	J/mol×K	543.34	Joback Calculated Property
Cp,gas	208.28	J/mol×K	577.52	Joback Calculated Property
Cp,gas	215.39	J/mol×K	611.70	Joback Calculated Property
Cp,gas	222.10	J/mol×K	645.88	Joback Calculated Property
Cp,gas	228.43	J/mol×K	680.06	Joback Calculated Property
Cp,gas	234.40	J/mol×K	714.25	Joback Calculated Property
Cp,solid	[133.60; 146.40]	J/mol×K	[298.00; 298.15]
Cp,solid	133.60	J/mol×K	298.00	NIST
Cp,solid	146.40	J/mol×K	298.15	NIST
ΔsubH	[138.90; 140.00]	kJ/mol	[395.00; 467.50]
ΔsubH	140.00 ± 2.00	kJ/mol	395.00	NIST
ΔsubH	138.90 ± 0.60	kJ/mol	395.50	NIST
ΔsubH	139.00 ± 4.00	kJ/mol	467.50	NIST
ΔvapH	87.00 ± 2.00	kJ/mol	496.50	NIST

Similar Compounds

Find more compounds similar to 4-Aminobutanoic acid.

Mixtures

• 4-Aminobutanoic acid + Water
• 4-Aminobutanoic acid + sodium chloride + Water
• 4-Aminobutanoic acid + Methyl Alcohol
• 4-Aminobutanoic acid + Formamide
• 4-Aminobutanoic acid + Propylene Glycol
• 4-Aminobutanoic acid + 1,3-Propanediol
• 4-Aminobutanoic acid + Methyl Alcohol + Water
• 4-Aminobutanoic acid + Acetic acid, sodium salt + Water
• 4-Aminobutanoic acid + Magnesium acetate + Water
• 4-Aminobutanoic acid + Ethanol + Methyl Alcohol
• 4-Aminobutanoic acid + 1-Propanol + Methyl Alcohol
• 4-Aminobutanoic acid + 2-Propanol + Methyl Alcohol
• 4-Aminobutanoic acid + caffeine + Water

Sources

• Cheméo Relay (1.0)
• Crippen Method
• Crippen Method
• Ultrasonic Studies of 4-Aminobutyric Acid in Aqueous Metformin Hydrochloride Solutions at Different Temperatures
• Osmotic and activity coefficients of alpha, omega-amino acids in aqueous solutions at 298.15 K
• The vapour pressures over saturated aqueous solutions of DL-2-aminobutyric acid, 4-aminobutyric acid, sodium-D-gluconate, sodium hippurate, and potassium magnesium-L-aspartate
• Effect of temperature on the dilution enthalpies of alpha,omega-amino acids in aqueous solutions
• Studies on molecular interactions of some neurotransmitters in water using volumetric and compressibility measurements at T = (278.15, 288.15 and 298.15) K
• Determination and correlation of solubility and thermodynamics of mixing of 4-aminobutyric acid in mono-solvents and binary solvent mixtures
• The structure and diffusion behaviour of the neurotransmitter gamma-aminobutyric acid (GABA) in neutral aqueous solutions
• Effect of temperature on the partial molar volumes, partial molar compressibility and viscosity B-coefficients of DL-4-aminobutyric acid in water and in aqueous sodium chloride solutions
• Enthalpic interactions between some amino acids and cyclohexanone in aqueous solutions at 298.15K
• Measurement and Correlation of Solubility of -Aminobutyric Acid in Different Binary Solvents
• Partial Molar Volumes, Partial Molar Compressibilities, and Viscosities of alpha,w-Amino Acids in Water and in Aqueous Solutions of Sodium Chloride over a Temperature Range of 293.2-333.2 K
• Effect of Caffeine on the Physicochemical Properties of Neurotransmitter GABA: Thermodynamic and Theoretical Approach
• Volumetric Properties of Some a,w-Aminocarboxylic Acids in Aqueous Sodium Acetate and Magnesium Acetate Solutions at T = (288.15 to 318.15) K
• Binary Diffusion Coefficients of Aqueous Phenylalanine, Tyrosine Isomers, and Aminobutyric Acids at Infinitesimal Concentration and Temperatures from (293.2 to 333.2) K
• Binary Diffusion Coefficients of Aqueous Straight-Chain Amino Acids at Infinitesimal Concentration and Temperatures from (298.2 to 333.2) K
• Joback Method
• McGowan Method
• NIST Webbook

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