L-Aspartic acid potassium salt

InChI key

TXXVQZSTAVIHFD-DKWTVANSSA-M

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

SMILES string

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

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 (SO₄^2-): ≤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

Quality Level

100