11189
Fluka

L-Aspartic acid

BioUltra, ≥99.5% (T)

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Synonym

(S)-(+)-Aminosuccinic acid

(S)-Aminobutanedioic acid

Molecular Formula

HO₂CCH₂CH(NH₂)CO₂H

Molecular Weight

133.10

CAS Number

56-84-8

Beilstein Registry Number

1723530

MDL number

MFCD00002616

PubChem Substance ID

24847046

EG/EC Number

200-291-6

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Descriptions

Biochem/physiol Actions

Principal neurotransmitter for fast synaptic excitation.

Other Notes

As lesion-sparing agent, has excitotoxic properties¹; Growth requirement of various organisms².

Properties

product line

BioUltra

assay

≥99.5% (T)

optical activity

[α]20/D +24.7±1°, c = 5% in 5 M HCl

total impurities

insoluble matter, passes filter test

≤0.3% foreign amino acids

ign. residue

≤0.05% (as SO₄)

loss

≤0.1% loss on drying, 110 °C

>300 °C (dec.)(lit.)

solubility

1 M HCl: 0.5 M at 20 °C, clear, colorless

anion traces

chloride (Cl^-): ≤50 mg/kg

sulfate (SO₄^2-): ≤150 mg/kg

cation traces

Al: ≤5 mg/kg

As: ≤0.1 mg/kg

Ba: ≤5 mg/kg

Bi: ≤5 mg/kg

Ca: ≤10 mg/kg

Cd: ≤5 mg/kg

Co: ≤5 mg/kg

Cr: ≤5 mg/kg

Cu: ≤5 mg/kg

Fe: ≤5 mg/kg

K: ≤50 mg/kg

Li: ≤5 mg/kg

Mg: ≤5 mg/kg

Mn: ≤5 mg/kg

Mo: ≤5 mg/kg

NH₄⁺: ≤200 mg/kg

Na: ≤100 mg/kg

Ni: ≤5 mg/kg

Pb: ≤5 mg/kg

Sr: ≤5 mg/kg

Zn: ≤5 mg/kg

0.5 M in 1 M HCl

UV absorption

λ: 260 nm A_max: 0.15

λ: 280 nm A_max: 0.10

Gene Information

rat ... Grin2a(24409)

human ... CA1(759), CA2(760)

References

Cited Reference

1. J.W. Olney, M.T. Price Meth. Enzymol. 103, 379, (1983) abstract

2. CRC Handbook of Microbiology Cleveland, Ohio , (1974) 4, 1

Merck

Merck 13,845

Beilstein

Beil. 4,IV,2998

reference

Corp MSDS 1 (1), 314:C / FT-IR 2 (1), 934:C / FT-IR 1 (1), 589:B / IR-Spectra (3), 350:H / IR-Spectra (2), 311:G / NMR-Reference 2 (1), 497:A / RegBook 1 (1), 669:K / Sigma FT-IR 1 (1), 45:B / Structure Index 1, 100:B:6

Safety

Safety Statements

22-24/25

WGK Germany

RTECS

CI9098500

Related Categories

... Amino Acids > Amino Acids

... Amino Acids > BioUltra

FT-IR Condensed Phase

FT-IR Raman

MSDS

Certificate of Analysis

More Information