Sinocure® CAT-550

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Sinocure® CAT-550

Cationic photoinitiator, Newly Developed PIs, Sinocure® Photoinitiator

SINOCURE® CAT-550 is a cationic photoinitiator with high photoinitiator activity, good surface drying, no yellowing, no migration, and no odor. It has a certain absorption at 365nm and can be used for LED curing.

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SINOCURE® CAT-550


  • Synonym:  10-(4-Biphenylyl)-2-isopropyl-9-oxo-9H-thioxanthenium hexafluorophosphate

  • CAS No:  591773-92-1

  • Molecular Formula:  C28H23OS.PF6

  • Molecular Structure:


General Information :

SINOCURE® CAT-550 is a cationic photoinitiator with high photoinitiator activity, good surface drying, no yellowing, no migration, and no odor. It has a certain absorption at 365nm and can be used for LED curing.

Specification :
AppearanceYellow crystal powder
Purity≥98%
Melting point202-210℃
Volatile Matter≤0.5%


Usage :

Cationic printing inks and overprint varnishes for special applications such as can coatings, coil coatings and pharmaceutical packaging.





UV Absorption Spectrum :

Package :

  • 1KG/BAG

Storage :

Store in a dry, clean, ventilated warehouse.
Avoid exposure to light and heat.
Be careful to prevent leakage, rain and sun during transportation.




How Can We Help?

We offer a variety of options to help you find the right product for your application

WHY CHOOSE SINOCURE?

  • Customized development

    Provide formulation optimization support for water-based/solvent-based systems

  • Global compliance

    Full coverage of REACH, FDA, and GB standards

  • Stable supply

    99.8% on-time delivery rate, 10,000-ton production capacity guarantee

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