See remarks 1), 7) and 13) on the table in 2.5.3.2.4:

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 are allowed.

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