Description DCP is a white crystal form, solid dialkyl peroxide . Chemical structure CAS No. / 80-43-3 MW / 270.37 Specifications Typical Property Unit Standard Assay % 99 Active oxygen % 5.86 Density (20 ℃) Kg/m3 1020 Melting range ℃ 38< T < 40 Application It is popular used for crosslinking of elastomers and olefin plastics. It is also used in expandable PS as initiator and or frame retardant co-agent. Packaging and storage 20Kg paper carton . (5 kg / plastics bag x 4 bags in carton) stored under 32 °C shadow environment. While store above 40 °C may cause melting physical form issue.