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932469

Sigma-Aldrich

4,4′,4′′-Tris(N-(naphthalen-2-yl)-N-phenyl-amino)-triphenylamine

Synonym(s):

TSPO1, Diphenyl(4-(triphenylsilyl)phenyl)phosphine oxide

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About This Item

Empirical Formula (Hill Notation):
C36H29OPSi
CAS Number:
1286708-86-8
Molecular Weight:
536.67
MDL number:
MFCD31657507
UNSPSC Code:
12352116
NACRES:
NA.23

grade

sublimed grade

Quality Level

100

description

μh ≈ 1.1 x 10-6 cm2 V−1 s−1
μe ≈ 5.7 x 10-6 cm2 V−1 s−1

Assay

≥97% (HPLC)

loss

0.5% TGA, > 300 °C (weight loss)

mp

236  °C

solubility

chloroform: soluble
dichloromethane: soluble
toluene: soluble

λmax

266 nm±5 nm in dichloromethane

fluorescence

λem 298 nm±10 nm in dichloromethane

Orbital energy

HOMO 6.79 eV 
LUMO 2.52 eV 

SMILES string

[Si](c4ccc(cc4)[P](=O)(c6ccccc6)c5ccccc5)(c3ccccc3)(c2ccccc2)c1ccccc1

InChI

1S/C36H29OPSi/c37-38(30-16-6-1-7-17-30,31-18-8-2-9-19-31)32-26-28-36(29-27-32)39(33-20-10-3-11-21-33,34-22-12-4-13-23-34)35-24-14-5-15-25-35/h1-29H

InChI key

TXBFHHYSJNVGBX-UHFFFAOYSA-N

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Application

4,4′,4′′-Tris(N-(naphthalen-2-yl)-N-phenyl-amino)-triphenylamine (TSPO1), also known as diphenyl(4-(triphenylsilyl)phenyl)phosphine oxide, is popularly used as a solution-processable phosphorescent host in optoelectronic devices. It has a μh around 1.1 x 10-6 cm2 V−1 s−1 and a μe of about 5.7 x 10-6 cm2 V−1 s−1.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
MKCT2038

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