Irgacure 819 CAS No: 162881-26-7

UV Photoinitiator Name: Irgacure 819

Synonyms: Photoinitiator 819 / Omnirad 819 / Phenylbis(2,4,6-trimethylbenzoyl)phosphine oxide

CAS No.: 162881-26-7

Production capacity: 500MT/Year 

Molecular formula: C26H27O3P

Purity: 99%min


product description

Irgacure 819 More Details





Pale yellow powder


99% Min

Melting point range

131~135 ℃

Volatile matter

0.3% Max


295nm, 370nm (in methanol solution)

Irgacure 819 Usage

Irgacure 819, also known as IRGACURE 819, can be used in colored UV-curable plastic coatings. UV coatings have been widely used in plastic housings of various electronic and home appliance products due to their excellent performance and efficient production, but UV coatings are added after coloring. Poor curing, resulting in poor adhesion of the coating film, and poor dispersion of the pigment by the UV resin, seriously affects the appearance of the coating film, so the traditional construction process is first painted with a solvent-based colored primer for coloring, after baking Apply UV varnish to improve the physical properties of the paint film surface.

Irgacure 819 Packaging and Shipping

Package: 20kg/Carton; 25kg/drum or as per buyer requirements shipment: Shipping as non-dangerous goods by the original name. 

Irgacure 819 Storage:

Stored in a dry and ventilated warehouse; keep away from sunshine; avoid fire; avoid moisture. 

Irgacure 819 CAS No: 162881-26-7