Bis[2-(diphenylphosphino)phenyl] ether oxide

Synonym(s):Bis[2-(diphenylphosphino)phenyl] ether oxide

CAS NO.：808142-23-6
Empirical Formula: C36H28O3P2
Molecular Weight: 570.55
MDL number: MFCD28968111
SAFETY DATA SHEET (SDS)
Update Date: 2026-01-13 11:14:15

Bis[2-(diphenylphosphino)phenyl] ether oxide Structural

What is Bis[2-(diphenylphosphino)phenyl] ether oxide?

Description

DPEPO, with steric ortho-substituted diphenylphosphine oxide (DPPO) groups, is one of the most popular large band-gap materials used to host blue TADF-based OLEDs.

The Uses of Bis[2-(diphenylphosphino)phenyl] ether oxide

Bis[2-((oxo)diphenylphosphino)phenyl]ether (CAS# 808142-23-6), also known as DPEPO, is a fluorescent compound often incorporated into OLED materials.

Properties of Bis[2-(diphenylphosphino)phenyl] ether oxide

Melting point:	280℃
Boiling point:	753.3±60.0 °C(Predicted)
Density	1.28±0.1 g/cm3(Predicted)
storage temp.	Sealed in dry,Room Temperature
solubility	soluble in Chloroform
form	powder
color	White to Almost white
λmax	292nm(CH2Cl2)(lit.)
CAS DataBase Reference	808142-23-6
Absorption	λmax?388 nm in?CH2Cl2

Safety information for Bis[2-(diphenylphosphino)phenyl] ether oxide

Signal word	Warning
Pictogram(s)	Exclamation Mark Irritant GHS07
GHS Hazard Statements	H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes	P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.