Solubilities in organic solvents (g/l at 20 °C) Dimethylsulfoxide: 190 Poly(ethylene glycol): 5.2 Acetonitrile: 0.9 2‐Propanol: <0.1 Xylene: <0.1
pka
The free acid produced by protonation under acidic conditions has a pKa of 2.1 (at 20 °C)
Water Solubility
Solubility in water (at 20 °C) : Unbuffered water and buffered between pH 7 and 9: 42 g/l. Solubility is not influenced by pH in the range pH 7-9. Solubility at pH 4.5: 2.9 g/l