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PBT assessment

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PBT assessment: overall result

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

4 -methylpentan-2 -one (MIBK) has been shown to be readily biodegradable in the frame of an OECD 301F test.


It can be considered that this substance is not persistent and thus not PBT/vPvB.


The study does not need to be conducted because the substance has a low potential for
bioaccumulation based on log Kow <=3.
In accordance with column 2 of REACH Annex IX, the aquatic bioaccumulation study (required
in section 9.3.2) does not need to be conducted because the substance has a low octanol water partition coefficient (log Kow = 1.9).