中固化学®BCIM
Chemical Name: 2,2′-Bis(2-chlorophenyl)-4,4′,5,5′-tetraphenyl-1,2′-bimidazole
CAS No: 7189-82-4
Molecular Formula: C₄₂H₂₈Cl₂N₄
Molecular Structure:

中固化学® BCIM is a hexaarylbisimidazole (HABI) derivative, acting as a I型自由基光引发剂. Ideal for UV-curable systems requiring deep curing and excellent adhesion, it is widely used in electronics and industrial coatings.
| Property | Value |
|---|---|
| Appearance | Yellow crystalline powder |
| Assay | ≥99.0% |
| Melting Point | 195–205°C |
| Loss on Drying | ≤0.5% |
| Ash | ≤0.1% |
Electronics: Photoresists for PCB circuit boards, lithographic printing plates.
Industrial Coatings: UV inks, adhesives, and coatings with fast curing rates.
Peak Absorption: 300–400 nm (ideal for UV-LED systems).

20 kg/carton or 25 kg/drum.
Keep in a cool, dry environment. Avoid prolonged light exposure.