See remarks 1), 7) and 13) in sub-section 2.2.52.4:

1) Diluent type B may always be replaced by diluent type A. The boiling point of diluent type B shall be at least 60 °C higher than the SADT of the organic peroxide.

Note: This remark applies only to the carriage of organic peroxides in packagings.

7) Only non-metallic packagings allowed.

13) "CORROSIVE" subsidiary hazard label required (Model No.8, see 5.2.2.2.2).