The material selection platform
Coatings Ingredients
The material selection platform
Coatings Ingredients
by SpecialChem
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Technical Datasheet | Supplied by allnex
ADDITOL® ITX by allnex is used as a radical photoinitiator for curing of inks and pigmented coatings. In combination with amine co-initiators or alpha cleavage photoinitiators, it is used in formulations containing unsaturated materials such as acrylates, methacrylates, vinyls and unsaturated polyesters. With exposure to UV light, it undergoes a photochemical reaction that generates radicals. These radicals will initiate polymerization through the unsaturated groups present in the system. ADDITOL® ITX exhibits good solubility. This grade is characterized by good through cure in UV curable formulated products. It is designed for use in flexographic-, offset- and screen inks. The recommended usage level is 0.3-3% by weight based on the reactive components.
Product Type
Chemical Composition
Isopropyl thioxanthone
CAS Number
Physical Form
Product Status
Geographical Availability
Asia / Pacific
Applications/ Recommended for
  • Coatings > UV / Radiation Curing
  • Inks > UV / Radiation-curable
  • Resins > Polyesters > Unsaturated
  • Resins > Acrylics & Acrylic Copolymers
  • Resins > Vinyls
  • Inks > Screen inks
  • Inks > Lithographic and Offset Inks
  • Inks > Flexographic inks

ADDITOL® ITX Properties


Value & Unit
Test Condition
Test Method
Melting Point
55 - 75 °C
> 98 %
Volatile Content
< 0.5 %

Compatiblity with other products

Find products that are predicted to be compatible with ADDITOL® ITX.

This list of compatible products is generated out of estimated HSP values. A practical determination of these HSP values would provide higher certainty.
Learn more about Hansen Solubility Parameters (HSP) and their use in predictive formulation.

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