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4-phenyl benzophenone is a very fast curing type-II photoinitiator. In the presence of O2, the use of an amine co-initiator is recommended. It is soluble in most monomers, oligomers and pre-polymers. It is insoluble in H2O.
Unit of Measure

Typical Applications

N/A Coatings for graphic arts, wood, plastics, metals and optical fiber. Flexo, screen, litho, dry offset and inkjet. Adhesives.

Typical Properties


N/A PL Industries

Performance Properties

N/A Excellent hardness Low odor applications Very fast curing


N/A Off white powder

Molecular Formula

N/A C19H19O

Molecular Weight

N/A 258.3

Melting Point

N/A 101 ºC

Boiling Point

N/A 419 ºC

Specific Gravity

N/A 1.10


N/A Sweet, characteristic

Abs. Peaks

N/A 289

Usage Levels

N/A 1 to 8 %