Registration Dossier

Physical & Chemical properties

Endpoint summary

Administrative data

Description of key information

Additional information

Dodecanedioic acid (CAS Number: 693-23-2) is an organic white solid at normal temperature and pressure, marketed in the form of pellets.

Melting point: 128 ºC

Boiling point: 250 ºC (13.33 hPa), decomposition at higher temperatures

Relative density at 20 ºC: 1.172

Vapour pressure (at 20 °C): 1.5 x 10E-10 hPa

Log Kow (at 25 ºC): 3.2

Water solubility (at 23 ºC): 30 mg/L (pH 5)

Flammability: not highly flammable

Explosiveness and oxidising properties: excluded from structural considerations

Stability in organic solvents: not critical

Dissociation constant: pKa1: 4.45-4.58, pKa2: 5.05-5.18