Photo Initiator 819 (PI 819)

Photo Initiator 819 is a free-radical initiator/photoinitiator used to start polymerization, enabling controlled cure in UV/EB or thermal systems.
Uses
UV-curing of pigmented systems; coatings/inks/adhesives.
Benefits
Strong absorption; deep cure; good for thick/pigmented films.
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Safety, Compliance & Notes
Thermal Conductivity
0.22W/m·K.
Electrical Conductivity
0.000000001S/cm
Heat of Formation
-850kJ/mol
Heat of Vaporization
–
Structure
C26H18P2O4
CAS Number
162881-26-7
EINECS Number
423-340-5
Storage & Packaging
Keep tightly closed in a cool, ventilated area; avoid shock/heat; follow SDS for segregation and transport classification. (Applicable to Photo Initiator 819 handling.)
Product Stewardship
Implement GMP/chemical hygiene plans: exposure control, spill response, and responsible disposal; verify regulatory status for destination market before shipment. (For Photo Initiator 819.)
Note
Note: For Photo Initiator 819, verify active content/assay, shelf life, and handling restrictions from the latest SDS/TDS before use.
Notice
NOTICE: This sheet is a compilation aid; always rely on the latest supplier documentation and applicable legal requirements for safe handling and performance. (For Photo Initiator 819.)