Luperox 688M50 1,1-Dimethyl-3-hydroxybutyl Peroxyneoheptanoate Arkema North America South and Central America Western Europe Central and Eastern Europe Asia / Pacific Crosslinking / Coupling / Curing Agents Coatings Architectural / Decorative Automotive OEM General Industrial /Maintenance odorless mineral spirits Insoluble in water Soluble in organic solvent Hexylene glycol peroxyesters. Offers the widest range of activity among all the classes of organic peroxides available. Used extensively as initiators in free radical polymerization. Hexylene glycol peroxyesters. Offers the widest range of activity among all the classes of organic peroxides available. Used extensively as initiators in free radical polymerization.