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Physical & Chemical properties

Dissociation constant

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Administrative data

Link to relevant study record(s)

Reference
Endpoint:
dissociation constant
Data waiving:
study scientifically not necessary / other information available
Justification for data waiving:
other:

Description of key information

The substance does not contain functional groups subject to dissociation and consequently a study is not justified.

Key value for chemical safety assessment

Additional information

In accordance with the guidance for implementation of REACH, document on Guidance on information requirements and CSA, Chapter R.7a: Endpoint Specific Guidance (ECHA 2008), specifically section R.7.1.17.1, Information requirements on dissociation constant, the dissociation constant is irrelevant if the substance cannot dissociate due to a lack of relevant functional groups. The substance does not contain functional groups subject to dissociation and consequently a study is not justified.