tert-Butyl hydroperoxide (TBHP) 
CAS No.: 75-91-2
Molecular formula:  C₄H₁₀O₂
Boiling point: 111°C 
To use: Emulsifying polymerization, natural raw gum added sulfur, improved cetane number of diesel fuel, tert-butyl peroxyate group introduction agent, also used as crosslinking agent for unsaturated polyester medium and high temperature. Used as initiator for anaerobic adhesive and fast setting acrylate structural adhesive. It is also used as an initiator for polymerization reactions (elimination of monomers after polymerization of acrylic emulsion).