Photoinitiator 1173

Compared with many solid photoinitiators, 1173 offers liquid handling advantages, excellent compatibility, and low yellowing, making it a preferred choice in high-performance UV coatings and inks.

Photoinitiator 1173 is an efficient liquid free radical photoinitiator, featuring high reactivity, low odor, good compatibility, no yellowing, excellent thermal stability, and high curing efficiency. When used in combination with photoinitiator ITX and photoinitiator DETX, it can enhance the curing speed and effect. It is suitable for curing acrylic varnish systems, inks, coatings, adhesives. The general dosage is 1-4%.

Why Photoinitiator 1173 is Widely Used

• Fast curing speed in UV systems
• Low yellowing for clear coatings
• Excellent compatibility with acrylates
• Liquid form for easy formulation
• Suitable for coatings, inks, adhesives

Applications:

Photoinitiator 1173 is widely applied in:

• UV coatings (wood, plastic, paper)
• UV inks and varnishes
• Adhesives and sealants
• Electronics coatings

1173 vs Other Photoinitiators

Technical Specifications

• CAS No.:7473-98-5
• Chemical Name:2-hydroxy-2-methyl-1-phenyl-1-acetone
• Molecular Formula:C10O2H12
• Molecular Weight:164.2
• Other Name:Irgacure 1173,Omnirad 1173
• Appearance: Colorless to pale yellow liquid

Package: 

25KG cartons

Storage and Transportation:

• Keep container tightly closed and dry and storage in cool place.
• Attention should be paid to avoiding light during production, manufacturing, storage and transportation.