Products

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

Product Introduction

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

Product Name:	Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide
Synonyms:	2,4,6-TRIMETHYLBENZOYLDIPHENYL PHOSPHINE OXIDE TPO;Diphenyl(2,4,6-trimethylbenzoyl);SPEEDCURE TPO;Diphenyl-(2,4,6-Trimethylbenzolyl)-Phosphine Oxide(SP-2,4,6);YF-PI TPO;2,4,6-TRIMETHYLBENZOYLDI PHENYLPHOSPHINOXIDE;diphenyl(2,4,6-trimethylbenzoyl)phosphine;IHT-PI TPO
CAS:	75980-60-8
MF:	C22H21O2P
MW:	348.37
EINECS:	278-355-8
Product Categories:	chemical additive;Miscellaneous;Functional Materials;Photopolymerization Initiators;Organic Photoinitiators;Polymerization Initiators;TPO;bc0001;75980-60-8
Mol File:	75980-60-8.mol

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

Melting point	88-92 °C(lit.)
Boiling point	519.6±60.0 °C(Predicted)
density	1.12 g/mL at 25 °C(lit.)
vapor pressure	0Pa at 25℃
refractive index	n20/D 1.475(lit.)
Fp	>230 °F
storage temp.	Sealed in dry,Room Temperature
solubility	soluble in Methanol
form	powder to crystal
color	Light yellow to Yellow to Green
Water Solubility	3.4mg/L at 20℃
λmax	400nm(DMF)(lit.)
Stability:	Stable. Incompatible with strong oxidizing agents.
InChIKey	VFHVQBAGLAREND-UHFFFAOYSA-N
LogP	3.1 at 23℃
CAS DataBase Reference	75980-60-8(CAS DataBase Reference)
EPA Substance Registry System	Phosphine oxide, diphenyl(2,4,6-trimethylbenzoyl)- (75980-60-8)

Safety Information

MSDS Information

Provider	Language
SigmaAldrich	English

Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide Usage And Synthesis

Chemical Properties	white or cream powder
Uses	Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide is a photo initiator, used in many kinds of ink industries
Uses	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.
General 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.
Flammability and Explosibility	Non flammable