4-Aminobutanoic acid

Modify Date: 2026-07-01 10:41:49

4-Aminobutanoic acid Structure
4-Aminobutanoic acid structure
Common Name 4-Aminobutanoic acid
CAS Number 56-12-2 Molecular Weight 103.120
Density 1.1±0.1 g/cm3 Boiling Point 248.0±23.0 °C at 760 mmHg
Molecular Formula C4H9NO2 Melting Point 195-204ºC
MSDS Chinese USA Flash Point 103.8±22.6 °C

 Use of 4-Aminobutanoic acid


γ-Aminobutyric acid (4-Aminobutyric acid) is a major inhibitory neurotransmitter in the adult mammalian brain[1][2], binding to the ionotropic GABA receptors (GABAA receptors) and metabotropic receptors (GABAB receptors)[2].

 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name γ-aminobutyric acid
Synonym More Synonyms

 4-Aminobutanoic acid Biological Activity

This table contains bioactivity, target information and biological‑assay experimental data of this compound.

Description γ-Aminobutyric acid (4-Aminobutyric acid) is a major inhibitory neurotransmitter in the adult mammalian brain[1][2], binding to the ionotropic GABA receptors (GABAA receptors) and metabotropic receptors (GABAB receptors)[2].
Related Catalog
Target

GABA Receptor[1][2]

References

[1]. Watanabe M, et al. GABA and GABA receptors in the central nervous system and other organs. Int Rev Cytol. 2002;213:1-47.

[2]. Okada R, et al. Gamma-aminobutyric acid (GABA)-mediated neural connections in the Drosophila antennal lobe. J Comp Neurol. 2009 May 1;514(1):74-91.

[3]. Chen S, et al. Effects of dietary gamma-aminobutyric acid supplementation on the intestinal functions in weaning piglets. Food Funct. 2019 Jan 2.

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 1.1±0.1 g/cm3
Boiling Point 248.0±23.0 °C at 760 mmHg
Melting Point 195-204ºC
Molecular Formula C4H9NO2
Molecular Weight 103.120
Flash Point 103.8±22.6 °C
Exact Mass 103.063332
PSA 63.32000
LogP -0.64
Vapour Pressure 0.0±1.0 mmHg at 25°C
Index of Refraction 1.465
InChIKey BTCSSZJGUNDROE-UHFFFAOYSA-N
SMILES NCCCC(=O)O
Storage condition Store at RT.
Water Solubility H2O: 1 M at 20 °C, clear, colorless | SOLUBLE

 MSDS

This table provides MSDS information including hazard classification, first‑aid, fire‑fighting, spill handling, operation and storage instructions.

 Toxicological Information

This table summarizes toxicological test data, acute & chronic toxicity and ecological hazard parameters for this chemical.

CHEMICAL IDENTIFICATION

RTECS NUMBER :
ES6300000
CHEMICAL NAME :
Butyric acid, 4-amino-
CAS REGISTRY NUMBER :
56-12-2
LAST UPDATED :
199701
DATA ITEMS CITED :
11
MOLECULAR FORMULA :
C4-H9-N-O2
MOLECULAR WEIGHT :
103.14
WISWESSER LINE NOTATION :
Z3VQ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
5400 mg/kg
TOXIC EFFECTS :
Behavioral - general anesthetic Behavioral - altered sleep time (including change in righting reflex) Lungs, Thorax, or Respiration - other changes
REFERENCE :
AITEAT Archivum Immunologiae et Therapiae Experimentalis. (Ars Polona, POB 1001, 00-068 Warsaw 1, Poland) V.10- 1962- Volume(issue)/page/year: 13,70,1965
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Intracerebral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
18 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
BCPCA6 Biochemical Pharmacology. (Pergamon Press Inc., Maxwell House, Fairview Park, Elmsford, NY 10523) V.1- 1958- Volume(issue)/page/year: 14,1901,1965
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
12680 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
YKKZAJ Yakugaku Zasshi. Journal of Pharmacy. (Nippon Yakugakkai, 2-12-15 Shibuya, Shibuya-ku, Tokyo 150, Japan) No.1- 1881- Volume(issue)/page/year: 85,463,1965
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
4950 mg/kg
TOXIC EFFECTS :
Behavioral - general anesthetic Behavioral - altered sleep time (including change in righting reflex) Lungs, Thorax, or Respiration - other changes
REFERENCE :
AITEAT Archivum Immunologiae et Therapiae Experimentalis. (Ars Polona, POB 1001, 00-068 Warsaw 1, Poland) V.10- 1962- Volume(issue)/page/year: 13,70,1965
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
9210 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
YKKZAJ Yakugaku Zasshi. Journal of Pharmacy. (Nippon Yakugakkai, 2-12-15 Shibuya, Shibuya-ku, Tokyo 150, Japan) No.1- 1881- Volume(issue)/page/year: 85,463,1965
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
2748 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
AIPTAK Archives Internationales de Pharmacodynamie et de Therapie. (Heymans Institute of Pharmacology, De Pintelaan 185, B-9000 Ghent, Belgium) V.4- 1898- Volume(issue)/page/year: 145,233,1963
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Unreported
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
7230 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
BTMNA7 Bitamin. (Nippon Bitamin Gakkai, 4 Ushinomiya-cho, Yoshida, Sakyo-Ku, Kyoto 606, Japan) V.1- 1948- Volume(issue)/page/year: 25,297,1962
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Mammal - cat
DOSE/DURATION :
5 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
RPTOAN Russian Pharmacology and Toxicology (English Translation). Translation of FATOAO. (Euromed Pub., 33, Woodlands Rd., Surbiton, Surrey, UK) V.30- 1967- Volume(issue)/page/year: 47,205,1984
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
2400 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
AITEAT Archivum Immunologiae et Therapiae Experimentalis. (Ars Polona, POB 1001, 00-068 Warsaw 1, Poland) V.10- 1962- Volume(issue)/page/year: 13,70,1965 *** REVIEWS *** TOXICOLOGY REVIEW AITEAT Archivum Immunologiae et Therapiae Experimentalis. (Ars Polona, POB 1001, 00-068 Warsaw 1, Poland) V.10- 1962- Volume(issue)/page/year: 13,70,1965

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

Personal Protective Equipment dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes Xi:Irritant
Risk Phrases R36/37/38
Safety Phrases S26-S36
RIDADR NONH for all modes of transport
WGK Germany 2
RTECS ES6300000
HS Code 29224995

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

 Customs

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

HS Code 2922499990
Summary HS:2922499990 other amino-acids, other than those containing more than one kind of oxygen function, and their esters; salts thereof VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) MFN tariff:6.5% General tariff:30.0%

 Articles256

More Articles

This table lists relevant public references with title, journal and publication metadata for this compound.

Methamidophos alters sperm function and DNA at different stages of spermatogenesis in mice.

Toxicol. Appl. Pharmacol. 279(3) , 391-400, (2014)

Methamidophos (MET) is a highly toxic organophosphate (OP) pesticide that is widely used in developing countries. MET has male reproductive effects, including decreased fertility. We evaluated MET eff...

Translating clinical findings into knowledge in drug safety evaluation--drug induced liver injury prediction system (DILIps).

J. Sci. Ind. Res. 65(10) , 808, (2006)

Drug-induced liver injury (DILI) is a significant concern in drug development due to the poor concordance between preclinical and clinical findings of liver toxicity. We hypothesized that the DILI typ...

γ-glutamyl transpeptidase 1 specifically suppresses green-light avoidance via GABAA receptors in Drosophila.

J. Neurochem. 130(3) , 408-18, (2014)

Drosophila larvae innately show light avoidance behavior. Compared with robust blue-light avoidance, larvae exhibit relatively weaker green-light responses. In our previous screening for genes involve...

 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

4-Aminobutanoic acid
MFCD00008226
EINECS 200-258-6
g-Aminobutyric acid
g-Amino-n-butyric Acid
GABA
γ-Amino-n-butyric acid
gamma-aminobutyric acid
4-Aminobutyric acid

 4-Aminobutanoic acid | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: How is the water solubility of γ-aminobutyric acid?
A: Water solubility of γ-aminobutyric acid: H2O: 1 M at 20 °C, clear, colorless | SOLUBLE.
Q: What are the uses of γ-aminobutyric acid?
A: Main uses of γ-aminobutyric acid: γ-Aminobutyric acid (4-Aminobutyric acid) is a major inhibitory neurotransmitter in the adult mammalian brain[1][2], binding to the ionotropic GABA receptors (GABAA receptors) and metabotropic receptors (GABAB receptors)[2].
Q: What are the storage conditions for γ-aminobutyric acid?
A: Storage conditions for γ-aminobutyric acid: Store at RT.
Q: What are the upstream materials of γ-aminobutyric acid?
A: Related upstream materials(CAS) of γ-aminobutyric acid: 100340-10-1;21994-40-1;56-86-0;692-29-5;57294-38-9;16051-87-9;13325-10-5;616-45-5;10137-67-4.
Q: What is the SMILES notation of γ-aminobutyric acid?
A: SMILES notation of γ-aminobutyric acid is NCCCC(=O)O.
Q: What is the safety information for γ-aminobutyric acid?
A: Safety information for γ-aminobutyric acid: S26-S36.
Q: What is the CAS number of γ-aminobutyric acid?
A: CAS number of γ-aminobutyric acid is 56-12-2.
Q: What English synonyms does γ-aminobutyric acid have?
A: English synonyms of γ-aminobutyric acid: 4-Aminobutanoic acid, MFCD00008226, EINECS 200-258-6, g-Aminobutyric acid, g-Amino-n-butyric Acid, GABA, γ-Amino-n-butyric acid, gamma-aminobutyric acid, 4-Aminobutyric acid.
Q: What are the downstream products of γ-aminobutyric acid?
A: Related downstream products(CAS) of γ-aminobutyric acid: 107466-55-7;10466-75-8;5105-78-2;3130-75-4;50632-83-2;57078-98-5;57294-38-9;141985-40-2;463-00-3;13477-53-7.
Q: What is the polar surface area (PSA) of γ-aminobutyric acid?
A: Polar surface area (PSA) of γ-aminobutyric acid is 63.32000.

 4-Aminobutanoic acidfactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Dayang Chem (Hangzhou) Co., Ltd.
Henan Tianfu Chemical Co., Ltd.
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