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

Cat.No ACM75980608-2

Basic Information Description Application Features And Benefits

CAS	75980-60-8
Catalog Number	ACM75980608-2
Synonyms	2,4,6-Trimethylbenzoylphenyl phosphinate, (Diphenylphosphoryl)(mesityl)methanone, (2,4,6-Trimethylbenzoyl)diphenylphosphine oxide
IUPAC Name	Diphenylphosphoryl-(2,4,6-trimethylphenyl)methanone
Molecular Weight	348.37
Molecular Formula	C22H21O2P
Canonical SMILES	CC1=CC(=C(C(=C1)C)C(=O)P(=O)(C2=CC=CC=C2)C3=CC=CC=C3)C
InChI	InChI=1S/C22H21O2P/c1-16-14-17(2)21(18(3)15-16)22(23)25(24,19-10-6-4-7-11-19)20-12-8-5-9-13-20/h4-15H,1-3H3
InChI Key	VFHVQBAGLAREND-UHFFFAOYSA-N
Boiling Point	519.6 ± 60.0 °C
Melting Point	88-92ºC
Flash Point	268.1ºC
Purity	95%+
Density	1.17 g/cm³
Appearance	White or cream powder
Assay	97%
EC Number	278-355-8
MDL Number	MFCD00192110
NACRES	NA.23
Packaging	Packaging 10, 50 g in poly bottle
PubChem ID	24866046
Quality Level	200
Refractive Index	n20/D 1.475(lit.)

Description Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide (TPO) is a monoacylphosphine oxide based photoinitiator that can be incorporated in a variety of polymeric matrixes for efficient curing and color stability of the resin.

Application TPO can be used in the photo-crosslinking of PMMA composite, which can further be used as a gate insulator in organic thin film transistors (OTFTs). It can also be used in the formation of UV curable urethane-acrylate coatings. It may also be used in the photoinduced reaction for the formation of organophosphine compounds, which potentially find their usage as ligands with metal catalysts and reagents.

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