Potassium phthalate monobasic

InChI

1S/C8H6O4.K/c9-7(10)5-3-1-2-4-6(5)8(11)12;/h1-4H,(H,9,10)(H,11,12);/q;+1/p-1

InChI key

IWZKICVEHNUQTL-UHFFFAOYSA-M

SMILES string

[K+].OC(=O)c1ccccc1C([O-])=O

grade

puriss. p.a.

assay

≥99.5% (T)

form

solid

pH

4

mp

295-300 °C (dec.) (lit.)

solubility

water: soluble (93 g/l at 30 °C (86 °F))

anion traces

chloride (Cl^-): ≤20 mg/kg, sulfate (SO₄^2-): ≤50 mg/kg

cation traces

Ca: ≤10 mg/kg, Cd: ≤5 mg/kg, Co: ≤5 mg/kg, Cr: ≤5 mg/kg, Cu: ≤5 mg/kg, Fe: ≤5 mg/kg, Mg: ≤5 mg/kg, Mn: ≤5 mg/kg, Na: ≤100 mg/kg, Ni: ≤5 mg/kg, Pb: ≤5 mg/kg, Zn: ≤5 mg/kg

functional group

carboxylic acid

Quality Level

200