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511447

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

97%, powder

Synonym(s):

BAPOs, Bisacylphosphine oxides

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About This Item

Linear Formula:
[(CH3)3C6H2CO]2P(O)C6H5
CAS Number:
162881-26-7
Molecular Weight:
418.46
NACRES:
NA.23
PubChem Substance ID:
24873541
UNSPSC Code:
12162002
EC Number:
423-340-5
MDL number:
MFCD01863675
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Quality Segment

300

assay

97%

form

powder, powder, crystals or chunks

mp

131-135 °C (lit.)

solubility

acetone, acetonitrile, toluene, and hexanediol diacrylate: soluble

SMILES string

Cc1cc(C)c(c(C)c1)C(=O)P(=O)(C(=O)c2c(C)cc(C)cc2C)c3ccccc3

InChI

1S/C26H27O3P/c1-16-12-18(3)23(19(4)13-16)25(27)30(29,22-10-8-7-9-11-22)26(28)24-20(5)14-17(2)15-21(24)6/h7-15H,1-6H3

InChI key

GUCYFKSBFREPBC-UHFFFAOYSA-N

General description

Phenylbis(2,4,6-trimethylbenzoyl) phosphineoxide (BAPO) is potential photoinitiator widely used in the preparation ofdental composites.

Application

Phenylbis(2,4,6-trimethylbenzoyl) phosphine oxide can be used as a photoinitiator for:
  • Radical polymerization of dental resins. BAPO enhances the polymerization rate and conversion compared to other initiators.
  • Preparation of divinylbenzene modified polymer-based ceramic materials for high temperature sensor applications.

pictograms

Exclamation mark
GHS07

signalword

Warning

hcodes

H317,H413

Hazard Classifications

Aquatic Chronic 4 - Skin Sens. 1

Storage Class

11 - Combustible Solids

wgk

WGK 1

ppe

dust mask type N95 (US), Eyeshields, Faceshields, Gloves

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