4-PBZ
| CAS No. | 2128-93-0 |
|---|---|
| Alias | Phenyl-benzophenon |
| Category | Photoinitiators |
4-PBZ is a general-purpose free radical photoinitiator often used as an improved version of BP. It offers high initiation efficiency and low odor, making it particularly suitable for UV-curable wood coatings and varnishes. The recommended dosage is 3–5% in the formulation.