Registration Dossier

Physical & Chemical properties

Oxidising properties

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Description of key information

In accordance with column 2 of REACH annex VII, study does not need to be conducted  as the substance is an organic peroxide. 

Key value for chemical safety assessment

Oxidising properties:
yes

Additional information

TBHP is an organic peroxide.

Justification for classification or non-classification

As TBHP is an organic peroxide, the classification of TBHP is concluded to be:

- under Directive 67/548/EEC criteria, R7

- under UN GHS criteria, classification as an oxidising liquid is not possible as an oxidising test is required to determine this.

- under Regulation 1272/2008 (CLP GHS) criteria, classification as an oxidising liquid is not possible as an oxidising test is required to determine this. However, TBHP is classified as an organic peroxide type F.