Photoinitiator ITX/2-Isopropylthioxanthone/CAS No. 5495-84-1

Photoinitiator ITX
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Technical Data Sheet (TDS)

Product Name

Photoinitiator ITX

Chemical Name

2-Isopropylthioxanthone

CAS No.

5495-84-1

Molecular Formula

C₁₆H₁₄OS

Molecular Weight

253 g/mol

Typical Properties

ItemSpecification
AppearanceLight yellow powder
Assay≥ 98%
Density1.199 g/cm³
Volatile Content (max)0.2%
Flash Point217 °C

Product Description

Photoinitiator ITX is a highly efficient free-radical photoinitiator widely used in UV-curable systems. It exhibits strong absorption in the near-UV and visible light range, making it particularly suitable for pigmented or thick-film formulations. ITX is often used in combination with amine synergists to enhance curing efficiency.

Applications

  • UV-curable inks

  • UV coatings and varnishes

  • UV adhesives

  • Pigmented and opaque systems

  • Printing inks (offset, screen, and flexographic)