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Omnirad 819 is a versatile photoinitiator for radical polymerization of unsaturated resins upon UV light exposure. It is especially suitable for white pigmented Formulations, the curing of glass-fiber-reinforced polyester/styrene systems and for clear coats for outdoor use in combinations with light stabilizers. Thick section curing is also possible with this photoinitiator.

Functions: Photoinitiator

CAS Number: 162881-26-7

End Uses: Radiation Curable Coating, Waterborne Adhesive, Waterborne Coating

Compatible Polymers & Resins: Polyesters

Synonyms: (Phenylphosphoryl)bis(mesitylmethanone), [Phenyl-(2,4,6-trimethylbenzoyl)phosphoryl]-(2,4,6-trimethylphenyl)methanone, 1,1′-(Phenylphosphinylidene)bis[(2,4,6-trimethylphenyl)methanone], 1,1′-(Phenylphosphinylidene)bis[1-(2,4,6-trimethylphenyl)methanone], Bis(2,4,6-trimethylbenzoyl)phenylphosphine oxide

    Knowde Enhanced TDS

    Identification & Functionality

    CASE Ingredients Functions
    CAS No.
    162881-26-7
    EC No.
    423-340-5
    Technologies

    Applications & Uses

    Compatible Polymers & Resins
    Compatible Substrates & Surfaces
    Cure Method
    Adhesive & Sealant Type
    Technology
    Recommended Applications
    • Graphic Arts
    • Wood Coatings
    • Plastic Coatings
    • Metal Coatings
    • Electronics
    • Adhesives and others

      Properties

      Physical Form
      Typical Properties
      Through CureVery Good
      Surface CureFair
      Clear SystemsGood
      White SystemsVery Good
      Pigmented SystemsVery Good
      LED CureVery Good
      Waterbased systemsFair
      ValueUnitsTest Method / Conditions
      UV Absorption237 , 275, 380nm

      Packaging & Availability

      Availability
      Available in Europe Yes
      Available in the USA Yes
      Available in China Yes