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PBT assessment

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PBT assessment: overall result

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Name:
di-tert-butyl peroxide
Type of composition:
boundary composition of the substance
State / form:
liquid
Reference substance:
Composition 1
Name:
di-tert-butyl peroxide / 2,2'-dioxybis(2-methylpropane) / Peroxide, bis(1,1-dimethylethyl) / 110-05-4
Type of composition:
legal entity composition of the substance
State / form:
liquid
Reference substance:
Composition 1
PBT status:
the substance is not PBT / vPvB
Justification:

The substance is assumed not to undergo biotic and abiotic degradation in the environment and thus is presumably P. Based on measured partition coefficient and estimated BCF, the substance is not considered as B. According to the results of two chronic Daphnia and algae studies, potential acute-to-chronic ratio for this substance and further toxicological data on mammals, the substance is likely to be not T.

Finally, the substance is assessed not to be PBT according to criteria of annex XIII of REACH.