Basic

CAS No.	162881-26-7
Product Name	phenyl bis(2,4,6-trimethylbenzoyl)-phosphine oxide
Synonyms	Phenylbis(2,4,6-trimethylbenzoyl)phosphine oxide; Phosphine oxide, phenyl bis (2,4,6-trimethylbenzoy)-; Photoinitiator-819; (phenylphosphoryl)bis[(2,4,6-trimethylphenyl)methanone]; Photoinitiator 819
Molecular Formula	C26H27O3P
Molecular Weight	418.4645

Physical property

Density	1.17g/cm3
Melting point	131-135℃
Boiling point	590°C at 760 mmHg
Flash point	310.6°C
Water solubility	acetone, acetonitrile, toluene, and hexanedioldiacrylate: soluble
Refractive index	1.588

Hazard Symbols	Xi:Irritant;
Risk Codes	R43:; R53:;
Safety Description	S22:; S24:; S37:; S61:;