Di(3,5,5-trimethylhexanoyl)peroxide Trade name: Initiator K English name: Di(3,5,5-trimethylhexanoyl)peroxide Chemical name: Di(3,5,5-trimethylhexanoyl)peroxide Structural formula: Molecular formula: Molecular Weight: C18H34O4 molecular weight: 314.5 Theoretical reactive oxygen content: 5.091 TP3T CAS: 3851-87-4 Major Decomposition Products: CO2, 2,2,4,7,9,9-hexamethyldecane, 2,4,4-trimethylpentane . Safety index: Half-life (measured in chlorobenzene solution): 0.1 hour.