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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Classification & Labelling & PBT assessment

PBT assessment

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Administrative data

PBT assessment: overall result

PBT status:
the substance is not PBT / vPvB
Justification:

This substance is not considered to be persistent (P), bioaccumulative (B), or toxic under REACH Annex XIII.

Studies indicate that the biphenyl-4,4'-diol will degrade rapidly in the environment and that it does not meet the criteria for classification as toxic. Based on an estimated log Kow of 2.7, biphenyl-4,4'-diol is expected to have a low potential to bioaccumulate in the tissues of exposed organisms. Biphenyl-4,4'-diol is therefore not classed as a PBT substance or as a vPvB substance.