Product Profile

Photoinitiatior PI-TPO

  • Agilis Product ID AGILIS244
  • Generic Name Photoinitiatior PI-TPO
  • Product Name Photoinitiatior PI-TPO
  • Chemical Name (2,4,6 trimethyl benzoyl) diphenyl phosphine oxide
  • Chemical Formula C22H21O2P
  • CAS# 75980-60-8
  • Binder for flexo ink
  • Paints & Coatings Paints & Coatings
  • Radiation Cure Coating
  • as solvent as solvent
  • Product Description
  • Critical Properties
  • Critical Specifications
  • Application Guide

Product Description

PI-TPO is an effective photoinitiator for UV-curable based coatings, adhesives, inks and printing plates. It is typically consumed in unsaturated polyester acrylate based systems in concentrations ranging from 1% to 4% by weight. It offers the advantage of good shelf stability, and fast and thorough cure of coatings. It is compatible with unsaturated polyesters, acrylate monomers and oligomers for use in UV-curable systems.

Critical Properties

  • Appearance : Pale yellow crystal
  • Physical State : Solid
  • Melting Point : 87 - 93

Critical Specifications

Property Value Units Test Method
Purity ≥ 99% %wt.
Water Content 0.02% %wt.
Color 10 Pt/Co
Specific Gravity 0.95 20C
Non Volatile Residue ≤ 0.50% %wt.
  • Product Information
  • Major Applications
  • Resources
  • Application Guide

Major Applications

UV cure coating


Application Guide


Data and information contained in this document is presented as received from producers. While data and information contained herein are presented in good faith and believed to be accurate, it is provided for your guidance only. Because many factors may affect processing or application/use, we recommend that you make tests to determine the suitability of a product for your particular purpose prior to use. NO WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, ARE MADE REGARDING PRODUCTS DESCRIBED, DATA OR INFORMATION MAY BE USED WITHOUT INFRINGING THE INTELLECTUAL PROPERTY RIGHTS OF OTHERS. IN NO CASE SHALL THE INFORMATION, DATA OR DESIGNS PROVIDED BE CONSIDERED A PART OF OUR TERMS AND CONDITIONS OF SALE.