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Dissociation constant

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Description of key information

A weight of evidence approach was considered to be the most appropriate conclusion from the three data sources available. As two of the sources concurred the value 6.08 was selected for the pKa of 2,4,6-tribromophenol; one of which stated this figure as experimentally derived. All reports cite different sources of the data.

Key value for chemical safety assessment

pKa at 20°C:

Additional information

Reference: Rayne, S. and Forest, K. (2010)

Reliabilty: 4

Result: 6.08

Reference: OECD SIDS (2003) 2,4,6-Tribromophenol CAS No:118-79-6

Reliabilty: 4

Results: 5.97

Reference: Howe, P.D., Dobson, S. and Malcolm, H.M. (WHO)

Reliability: 4

Results: 6.08