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γ-Aminobutyric acid

Catalog No. 07239 Name Sigma Aldrich
CAS Number 56-12-2 Website http://www.sigmaaldrich.com
M. F. C4H9NO2 Telephone 1-800-521-8956
M. W. 103.11976 Fax
Purity ≥99.0% (NT) Email
Storage Chembase ID: 2261

SYNONYMS

Title
γ-氨基丁酸
IUPAC name
4-aminobutanoic acid
IUPAC Traditional name
gamma(amino)-butyric acid
Synonyms
4-Aminobutanoic acid
哌啶酸
GABA
4-氨基丁酸
氨酪酸
Piperidinic acid
Piperidic acid

DATABASE IDS

CAS Number 56-12-2
Beilstein Number 906818
EC Number 200-258-6
MDL Number MFCD00008226

PROPERTIES

Antion Traces chloride (Cl-): ≤50 mg/kg
Antion Traces sulfate (SO42-): ≤50 mg/kg
Cation Traces Al: ≤5 mg/kg
Cation Traces As: ≤0.1 mg/kg
Cation Traces Ba: ≤5 mg/kg
Cation Traces Bi: ≤5 mg/kg
Cation Traces Ca: ≤10 mg/kg
Cation Traces Cd: ≤5 mg/kg
Cation Traces Co: ≤5 mg/kg
Cation Traces Cr: ≤5 mg/kg
Cation Traces Cu: ≤5 mg/kg
Cation Traces Fe: ≤5 mg/kg
Cation Traces K: ≤50 mg/kg
Cation Traces Li: ≤5 mg/kg
Cation Traces Mg: ≤5 mg/kg
Cation Traces Mn: ≤5 mg/kg
Cation Traces Mo: ≤5 mg/kg
Cation Traces Na: ≤50 mg/kg
Cation Traces Ni: ≤5 mg/kg
Cation Traces Pb: ≤5 mg/kg
Cation Traces Sr: ≤5 mg/kg
Cation Traces Zn: ≤5 mg/kg
Impurities insoluble matter, passes filter test
λ 1 M in H2O
Linear Formula NH2(CH2)3COOH
Loss on Drying ≤0.2% loss on drying
Product Line BioUltra
Purity ≥99.0% (NT)
Absorption Wavelength λ: 260 nm Amax: ≤0.15
Absorption Wavelength λ: 280 nm Amax: ≤0.12
Melting Point 195 °C (dec.)(lit.)
pH 6.0-8.0 (25 °C, 1 M in H2O)
Solubility H2O: soluble1 M at 20 °C, clear, colorless
GHS Pictograms GHS07
GHS Signal Word Warning
GHS Hazard statements H315-H319-H335
European Hazard Symbols Irritant Irritant (Xi)
MSDS Link Download
Personal Protective Equipment dust mask type N95 (US), Eyeshields, Gloves
GHS Precautionary statements P261-P305 + P351 + P338
Risk Statements 36/37/38
RTECS ES6300000
Safety Statements 26-36
German water hazard class 2

DETAILS

Description (English)
Biochem/physiol Actions
Major inhibitory neurotransmitter in brain; GABAA and GABAB receptor agonist; increases Cl- conductance.
Other Notes
Review - GABA: the road to neurotransmitter status1; Review: Activation and modulation of neuronal potassium channels by GABA2
Description (简体中文)
Biochem/physiol Actions
大脑中的主要抑制性神经递质;GABAA 和 GABAB 受体激动剂;增加 Cl- 的传导性。
Other Notes
Review - GABA: the road to neurotransmitter status1; Review: Activation and modulation of neuronal potassium channels by GABA2

REFERENCES