Phenylbis(2,4,6-trimethylbenzoyl)phosphine oxide

Phenylbis(2,4,6-trimethylbenzoyl)phosphine oxide
  • CAS No.:162881-26-7
Other grades of this product :
Phenylbis(2,4,6-trimethylbenzoyl)phosphine oxide Basic information
Product Name:Phenylbis(2,4,6-trimethylbenzoyl)phosphine oxide
Synonyms:PHENYLBIS(2,4,6-TRIMETHYLBENZOYL)PHOSPHINE OXIDE;Phosphine oxide, phenylbis(2,4,6-trimethylbenzoyl)-;Photoinitiator 819;Phenylbis(2,4,6-triMethylbenzoyl)phosphine oxide 97%, powder;(Phenylphosphoryl)bis(mesitylmethanone);former IRGACURE 819;OMNIRAD 380;OMNIRAD 819
CAS:162881-26-7
MF:C26H27O3P
MW:418.47
EINECS:423-340-5
Product Categories:Miscellaneous;Organic Photoinitiators;Polymerization Initiators
Mol File:162881-26-7.mol
Phenylbis(2,4,6-trimethylbenzoyl)phosphine oxide Chemical Properties
Melting point 131-135 °C(lit.)
Boiling point 590.0±60.0 °C(Predicted)
density 1.17±0.1 g/cm3(Predicted)
vapor pressure 0Pa at 20℃
storage temp. Sealed in dry,Room Temperature
solubility acetone, acetonitrile, toluene, and hexanedioldiacrylate: soluble
form powder
color Pale Yellow to Yellow
Water Solubility 100μg/L at 20-21℃
λmax366nm(MeOH)(lit.)
InChIKeyGUCYFKSBFREPBC-UHFFFAOYSA-N
LogP5.77-5.8 at 22℃
CAS DataBase Reference162881-26-7
EPA Substance Registry SystemPhosphine oxide, phenylbis(2,4,6-trimethylbenzoyl)- (162881-26-7)
Safety Information
Hazard Codes Xi
Risk Statements 43-53
Safety Statements 22-24-37-61
WGK Germany -
HS Code 29319090
MSDS Information
ProviderLanguage
SigmaAldrich English
Phenylbis(2,4,6-trimethylbenzoyl)phosphine oxide Usage And Synthesis
UsesPhenylbis(2,4,6-trimethylbenzoyl)phosphine oxide is a useful research chemical compound.
Uses3-Bromo-1-(3-chloro-2-pyridinyl)-1H-pyrazole-5-carboxylic acid is a useful building block and has been used in the synthesis of the pesticide Cyclaniliprole.
UsesVersatile UV photoinitiator for radical polymerization of unsaturated resins, especially pigmented formulations.
Phenylbis(2,4,6-trimethylbenzoyl)phosphine oxide Preparation Products And Raw materials
Raw materials1,1'-(Methylene-di-4,1-phenylene)bis[2-hydroxy-2-methyl-1-propanone]-->2-Isopropylthioxanthone

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