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PBT assessment

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PBT assessment: overall result

PBT status:
the substance is not PBT / vPvB

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.