Product Name: Cationic Photoinitiator 550 (Cationic Photoinitiator 250) Cationic photoinitiator 550 Product grade: Rycure550 Cationic photoinitiator 550 Chinese name: 4-isobutylphenyl-4 '- methylphenyliodohexafluorophosphate Cationic photoinitiator 550 English name: 4-Isobutylphenyl-4 '- methylphenyliodonium hexafluorophorophosphate Cationic photoinitiator 550 Product specifications: 50g/bottle, 10g/bottle Cationic Photoinitiator 550 Product Overview: Cationic Photoinitiator 550 (Cationic Photoinitiator 250) is a universal cationic UV initiator used to initiate epoxy or epichlorohydrin based UV curing systems. It can effectively cure cationic coatings and inks, such as printing ink, white paint, adhesives, etc. Especially suitable for curing thick film systems and dark color systems. The active ingredient of cationic photoinitiator 550 is a 75% solution of propylene carbonate. Cationic photoinitiator 550 CAS No.: 108-32-7 344562-80-7 Cationic photoinitiator 550 structural formula: undefined Cationic photoinitiator 550 molecular weight: 496.21 Cationic photoinitiator 550, molecular formula: C17H20F6IP Cationic photoinitiator 550 appearance: yellow to brown liquid Cationic photoinitiator 550 viscosity: 1385mm2/s (20 ℃), 480mm2/s (30 ℃) Cationic photoinitiator 550 density: 1.485g/mL (24 ℃) Absorption peaks of cationic photoinitiator 550: 250nm, 340nm (in methanol solution) Cationic photoinitiator 550 melting point: 64-67 ℃ Solubility of cationic photoinitiator 550: 20 ℃ (g/100g solution)