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Physical & Chemical properties

Dissociation constant

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Description of key information

not applicable (the substance is not soluble in water)

C13H29N branched: pKa (estimated) = 10.41 at 25°C


C13H29N linear: pKa (estimated) = 10.41 at 25°C


C24H51N branched: : pKa (estimated) = 10.59 at 25°C


C24H51N linear: : pKa (estimated) = 10.8 at 25°C


C25H53N branched: pKa (estimated) = 10.59 at 25°C


C25H53N linear: pKa (estimated) = 10.8 at 25°C


C26H55N branched: pKa (estimated) = 10.59 at 25°C


C26H55N linear: pKa (estimated) = 10.8 at 25°C


C27H57N branched: pKa (estimated) = 10.59 at 25°C


C27H57N linear: pKa (estimated) = 10.8 at 25°C


C39H79N branched: pKa (estimated) = 10.64 at 25°C


C39H79N linear: pKa (estimated) = 7.12 at 25°C


C39H81N branched: pKa (estimated) = 10.4 at 25°C


C39H81N linear: pKa (estimated) = 7.19 at 25°C

Key value for chemical safety assessment

Additional information

The determination of the dissociation constant of an aqueous preparation of the test item, according to OECD Guideline for the Testing of Chemieals 112 is not expedient.