camphorquinon
Camphorquinone, also spelled camphorquinon, is an organic photoinitiator widely used to initiate free-radical polymerization of methacrylate resins when exposed to visible blue light. It is derived from camphor and belongs to the class of bicyclic diketones. In dentistry, camphorquinone is the most common visible-light initiator in resin-based composites and related bonding agents.
Mechanism and use: When irradiated with blue light, camphorquinone absorbs photons and reaches an excited state.
Properties: Camphorquinone absorbs light in the blue region with a peak near 460–470 nm, aligning with common
Synthesis and origin: Camphorquinone is derived from camphor through oxidation and functionalization steps that introduce the
Safety and handling: In practice, camphorquinone is used within formulated dental materials and laboratory products. Residual