Home > Compound List > Product Information
L-Aspartic acid_Molecular_structure_CAS_56-84-8)
Click picture or here to close

L-Aspartic acid

Catalog No. 11189 Name Sigma Aldrich
CAS Number 56-84-8 Website http://www.sigmaaldrich.com
M. F. C4H7NO4 Telephone 1-800-521-8956
M. W. 133.10268 Fax
Purity ≥99.5% (T) Email
Storage Chembase ID: 14

SYNONYMS

Title
L-天冬氨酸
IUPAC name
(2S)-2-aminobutanedioic acid
IUPAC Traditional name
L-aspartic acid
Synonyms
(S)-(+)-Aminosuccinic acid
(S)-Aminobutanedioic acid
(S)-氨基丁二酸
(S)-(+)-氨基琥珀酸

DATABASE IDS

MDL Number MFCD00002616
Beilstein Number 1723530
EC Number 200-291-6
PubChem SID 24847046
CAS Number 56-84-8

PROPERTIES

Antion Traces chloride (Cl-): ≤50 mg/kg
Antion Traces sulfate (SO42-): ≤150 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 NH4+: ≤200 mg/kg
Cation Traces Na: ≤100 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
Ignition Residue ≤0.05% (as SO4)
Impurities insoluble matter, passes filter test
Impurities ≤0.3% foreign amino acids
λ 0.5 M in 1 M HCl
Linear Formula HO2CCH2CH(NH2)CO2H
Loss on Drying ≤0.1% loss on drying, 110 °C
Product Line BioUltra
Purity ≥99.5% (T)
Gene Information human ... CA1(759), CA2(760)rat ... Grin2a(24409)
Absorption Wavelength λ: 260 nm Amax: 0.20
Absorption Wavelength λ: 280 nm Amax: 0.10
Melting Point >300 °C (dec.)(lit.)
Optical Rotation [α]20/D +24.7±1°, c = 5% in 5 M HCl
Solubility 1 M HCl: soluble0.5 M at 20 °C, clear, colorless
GHS Pictograms GHS07
GHS Signal Word Warning
GHS Hazard statements H319
European Hazard Symbols Irritant Irritant (Xi)
MSDS Link Download
Personal Protective Equipment dust mask type N95 (US), Eyeshields, Gloves
GHS Precautionary statements P305 + P351 + P338
Risk Statements 36
RTECS CI9098500
Safety Statements 26
German water hazard class 1

DETAILS

Description (English)
Biochem/physiol Actions
Principal neurotransmitter for fast synaptic excitation.
Description (简体中文)
Biochem/physiol Actions
快速突触兴奋的主要神经递质。

REFERENCES