Skip to Content
Merck
CN
All Photos(1)

Key Documents

View All Documentation

11230

Sigma-Aldrich

L-Aspartic acid potassium salt

puriss. p.a., ≥99.0% (anhydrous basis)

Synonym(s):

Potassium L-aspartate

Sign Into View Organizational & Contract Pricing
All Photos(1)

About This Item

Linear Formula:
HO2CCH2CH(NH2)CO2K
CAS Number:
1115-63-5
Molecular Weight:
171.19
EC Number:
214-226-4
MDL number:
MFCD00063085
UNSPSC Code:
12352200
PubChem Substance ID:
329749336
NACRES:
NA.77

grade

puriss. p.a.

Quality Level

100

Assay

≥99.0% (T)
≥99.0% (anhydrous basis)

form

powder

optical activity

[α]20/D −13.5±1°, c = 1% in H2O

impurities

≤6% water

color

white

anion traces

chloride (Cl-): ≤50 mg/kg
sulfate (SO42-): ≤500 mg/kg

cation traces

Ca: ≤50 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤10 mg/kg
Mg: ≤100 mg/kg
Mn: ≤5 mg/kg
NH4+: ≤250 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Zn: ≤5 mg/kg

SMILES string

N[C@H](C([O-])=O)CC(O)=O.[K+]

InChI

1S/C4H7NO4.K/c5-2(4(8)9)1-3(6)7;/h2H,1,5H2,(H,6,7)(H,8,9);/q;+1/p-1/t2-;/m0./s1

InChI key

TXXVQZSTAVIHFD-DKWTVANSSA-M

Looking for similar products? Visit Product Comparison Guide

Biochem/physiol Actions

Aspartic acid is a non-essential amino acid. It is involved in the Urea cycle, Krebs cycle and in DNA metabolism.
Principal neurotransmitter for fast synaptic excitation.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
BCCB1060
BCBV7993
BCBT9122
BCBR6416V
BCBQ8726V

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Eric R. Braverman
The Healing Nutrients Within: Facts, Findings, and New Research on Amino Acids (2003)
Yusuke Takatsuru et al.
The Journal of neuroscience : the official journal of the Society for Neuroscience, 33(11), 4683-4692 (2013-03-15)
After ischemic stroke, the corresponding area contralateral to the lesion may partly compensate for the loss of function. We previously reported the remodeling of neuronal circuits in the contralateral somatosensory cortex (SSC) during the first week after infarction for processing
Ellen W Moomaw et al.
PloS one, 8(3), e57933-e57933 (2013-03-08)
Ceriporiopsis subvermispora oxalate oxidase (CsOxOx) is the first bicupin enzyme identified that catalyzes manganese-dependent oxidation of oxalate. In previous work, we have shown that the dominant contribution to catalysis comes from the monoprotonated form of oxalate binding to a form
Laureano de la Vega et al.
Nucleic acids research, 41(11), 5731-5745 (2013-04-27)
Differentiation of skeletal muscle cells is accompanied by drastic changes in gene expression programs that depend on activation and repression of genes at defined time points. Here we identify the serine/threonine kinase homeodomain-interacting protein kinase 2 (HIPK2) as a corepressor
Ping Li et al.
Acta crystallographica. Section F, Structural biology and crystallization communications, 69(Pt 3), 324-327 (2013-03-23)
The casein kinase 2 interacting protein-1 (CKIP-1) is involved in many cellular functions, including apoptosis, signalling pathways, cell growth, cytoskeleton and bone formation. Its N-terminal pleckstrin homology (PH) domain is thought to play an important role in membrane localization and
View All Related Papers

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service