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11230 Sigma-Aldrich

L-Aspartic acid potassium salt

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

Synonym: Potassium L-aspartate

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Properties

Related Categories A-B, Puriss p.a., AN-AZ, Analytical Reagents, Analytical Reagents for General Use, Analytical/Chromatography,
Quality Level   100
grade   puriss. p.a.
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

Description

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.

Safety & Documentation

Safety Information

Personal Protective Equipment 
RIDADR 
NONH for all modes of transport
WGK Germany 
3
RTECS 
CI9458500

Documents

Certificate of Analysis (COA)

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Protocols & Articles
Peer-Reviewed Papers
15

References

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