Photoinitiator CBP

Photoinitiator CBP

Other name: 4-Chlorobenzophenone; Buclizine Impurity 2;

(4-chlorophenyl)-phenyl-methanone; 4-Chloro-benzophenone; Benzophenone, 4-chloro-;

Benzophenone, 4-chloro- (8CI); Methanone;

Molecular Formula: C13H9ClO

CAS No.: 134-85-0

EINECS No.: 205-160-7

Purity: 99% min



1. High sensitivity and fast photocuring speed

2. Low-volatility, mild-smell and environmental friendly

3. Anti-yellowing

Physical and Chemical Properties

【AppearanceWhite to light yellow powder.
【Solubility in waterInsoluble
【Melting Point68 – 70
【Boiling Point333
【Vapor Pressure0.0001 (25 C)
【Partition Coefficient3.9
【Heat Of Vaporization57.6 kJ/mol


Keep container closed when not in use. Store in a tightly closed container. Store in a cool, dry,

well-ventilated area away from incompatible substances.


UV curing type coating, printing ink, medical and pesticide intermediate