Abstract: A packaging unit for one or more of transport or storage of at least one organic peroxide. The packaging unit comprises one or more outer container, such as a transport container and/or a storage container. The packaging unit may also comprise an inner container. The outer container and/or the inner container is filled with the at least one organic peroxide. The packaging unit also comprises one or more extinguishing agent container filled with an extinguishing agent. The extinguishing agent container may be at least one bag and/or at least one bottle. The extinguishing agent container is separately introduced into one or more of a receiving area of the outer container or the inner container. The extinguishing agent container is removable from the outer container. The extinguishing agent container may be detachably connected to or not connected to the outer container, or the extinguishing agent container may be detachably connected to or not connected to the inner container.