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

4-Aminobutanoic acid

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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
  • 3-Carboxypropylamine
  • 4-Amino-n-butyric acid
  • 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
  • Piperidic acid
  • Piperidinic acid
  • Reanal
  • «gamma»-Amino-n-butyric acid
  • «gamma»-Aminobutanoic acid
  • «gamma»-Aminobutyric acid
  • «omega»-Aminobutyric acid
Sources

Physical Properties

Property Value Unit Source
Δcsolid -2280.00 ± 4.70 kJ/mol NIST
Δcsolid -2279.23 ± 0.11 kJ/mol NIST
Δcsolid -2282.40 ± 0.84 kJ/mol NIST
Δf -216.49 kJ/mol Joback Calculated Property
Δfgas -441.00 ± 2.00 kJ/mol NIST
Δfsolid -561.00 ± 4.70 kJ/mol NIST
Δfsolid -581.10 ± 0.30 kJ/mol NIST
Δfus 17.00 kJ/mol Joback Calculated Property
Δsub 140.00 ± 2.00 kJ/mol NIST
Δvap 58.56 kJ/mol Joback Calculated Property
IE 8.70 eV NIST
IE 9.60 eV NIST
logPoct/wat -0.19 Crippen Calculated Property
Pc 5175.72 kPa Joback Calculated Property
Tboil 509.50 K Joback Calculated Property
Tc 695.04 K Joback Calculated Property
Tfus 328.85 K Joback Calculated Property
Vc 0.31 m3/kg-mol Joback Calculated Property

Temperature Dependent Properties

Property Value Unit Temperature (K) Source
Cp,gas 190.29 J/mol×K 509.5 Joback Calculated Property
Cp,solid 133.60 J/mol×K 298.0 NIST
Cp,solid 146.40 J/mol×K 298.15 NIST
ΔsubH 140.00 ± 2.00 kJ/mol 395.0 NIST
ΔsubH 138.90 ± 0.60 kJ/mol 395.5 NIST
ΔsubH 139.00 ± 4.00 kJ/mol 467.5 NIST
ΔvapH 87.00 ± 2.00 kJ/mol 496.5 NIST

Molecular Descriptors

Joback and Reid Groups
-CH2- 3
>C=O (nonring) 1
-OH (alcohol) 1
-NH2 1

Similar Compounds

Butanoic acid, sodium salt. potassium butyrate. Butanoic acid. Lithium butyrate. 5-Aminovaleric acid. 4-Hydroxybutyric acid. Aminocaproic acid. 6-Aminohexanoic acid. Pentanoic acid. Lithium n-pentanoate. Beta-alanine. Butanoic acid, 3-methyl-. Butyric acid, 2-amino-, l-(+)-. Butanoic acid, 2-amino-, (S)-. dl-2-Aminobutyric acid.

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