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11230

Sigma-Aldrich

L-Aspartic acid potassium salt

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

Synonym(s):

Potassium L-aspartate

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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

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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

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

JAN Code

11230-VAR-F:
11230-100G-F:
11230-500G-F:
11230-BULK-F:

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Certificates of Analysis (COA)

Lot/Batch Number
BCCB1060
BCBV7993
BCBT9122
BCBR6416V
BCBQ8726V

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Ann-Louise Johansson et al.
Proceedings of the National Academy of Sciences of the United States of America, 110(22), 8912-8917 (2013-05-16)
Proton transfer across biological membranes underpins central processes in biological systems, such as energy conservation and transport of ions and molecules. In the membrane proteins involved in these processes, proton transfer takes place through specific pathways connecting the two sides
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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
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