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Photoinitiator TPO


Product Introduction


Chemical Name Diphenyl (2,4,6-trimethylbenzoyl)- phosphine oxide
CAS 75980-60-8
Molecular Formula C22H21O2P
Molecular Weight M=348.37
Application LeCure® TPO is a photoinitiator for curing styrene-based unsaturated polyesters and acrylic resins.Its absorption in the long-wave region of the UV spectrum can fully cure even white paints and surfaces pigmented with TiO2.
Typical Properties Property Typical Value
Appearance Pale yellow crystal or powder
Melting Point 91-94℃
Assay 99.0 % min
Volatile 0.2% max
Acid value 0.5 mgKOH/g max
Chemical Name Diphenyl (2,4,6-trimethylbenzoyl)- phosphine oxide
CAS 75980-60-8
Molecular Formula C22H21O2P
Molecular Weight M=348.37
Application LeCure® TPO is a photoinitiator for curing styrene-based unsaturated polyesters and acrylic resins.Its absorption in the long-wave region of the UV spectrum can fully cure even white paints and surfaces pigmented with TiO2.
Typical Properties Property Typical Value
Appearance Pale yellow crystal or powder
Melting Point 91-94℃
Assay 99.0 % min
Volatile 0.2% max
Acid value 0.5 mgKOH/g max

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