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ChemicalBook >  Product Catalog >  Pharmaceutical intermediates >  OLED material intermediate >  N4,N4,N4',N4'-tetra([1,1'-biphenyl]-4-yl)-[1,1'-biphenyl]-4,4'-diamine

N4,N4,N4',N4'-tetra([1,1'-biphenyl]-4-yl)-[1,1'-biphenyl]-4,4'-diamine

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N4,N4,N4',N4'-tetra([1,1'-biphenyl]-4-yl)-[1,1'-biphenyl]-4,4'-diamine Basic information

Product Name:
N4,N4,N4',N4'-tetra([1,1'-biphenyl]-4-yl)-[1,1'-biphenyl]-4,4'-diamine
Synonyms:
  • N4,N4,N4’,N4’-Tetra(4-biphenylyl)-biphenyl-4,4’-diamine
  • N,N'-Tetra(4-biphenyl)benzidine
  • N,N,N',N'-Tetrakis(4-biphenylyl)benzidine (This product is only available in Japan.)
  • N,N,N',N'-Tetrakis(4-biphenylyl)benzidine
  • N,N,N',N'-Tetrakis(4-biphenylyl)benzidine
  • [1,1'-BIPHENYL]-4,4'-DIAMINE, N4,N4,N4',N4'-TETRAKIS([1,1'-BIPHENYL]-4-YL)-
  • N,N,N' ,N'-tetrakis([1,1'-biphenyl]-4-yl)-[1,1'-Biphenyl]-4,4'-diaMine
  • 4,4'-Bis[bis(4-biphenylyl)amino]biphenyl
CAS:
164724-35-0
MF:
C60H44N2
MW:
793
EINECS:
200-110-4
Product Categories:
  • OLED materrials
Mol File:
164724-35-0.mol
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N4,N4,N4',N4'-tetra([1,1'-biphenyl]-4-yl)-[1,1'-biphenyl]-4,4'-diamine Chemical Properties

Melting point:
265°C(lit.)
Density 
1.169
storage temp. 
Keep in dark place,Sealed in dry,Room Temperature
form 
powder to crystal
pka
-2.75±0.60(Predicted)
color 
White to Light yellow to Green
InChIKey
WXAIEIRYBSKHDP-UHFFFAOYSA-N
SMILES
C1(C2=CC=C(N(C3=CC=C(C4=CC=CC=C4)C=C3)C3=CC=C(C4=CC=CC=C4)C=C3)C=C2)=CC=C(N(C2=CC=C(C3=CC=CC=C3)C=C2)C2=CC=C(C3=CC=CC=C3)C=C2)C=C1
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Safety Information

HS Code 
2921.59.8090
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N4,N4,N4',N4'-tetra([1,1'-biphenyl]-4-yl)-[1,1'-biphenyl]-4,4'-diamine Usage And Synthesis

Description

N4, N4, N4', N4'-tetra([1,1'-biphenyl]-4-yl)-[1,1'-biphenyl]-4,4'-diamine (or BPBPA) is an Electron-Rich Triarylamine Derivative with two amines substituted by four biphenyl groups. It is commonly used as a hole transport layer (HTL) material in OLEDs. BPBPA demonstrates high charge carrier mobility of 1.74 ×10?2 cm2/V?s, enabling rapid hole extraction from the adjacent donor layer. This results in an enhanced open-circuit voltage and improves powder conversion efficiency (PCE) of 9% with reference devices.

Chemical Properties

White powder

N4,N4,N4',N4'-tetra([1,1'-biphenyl]-4-yl)-[1,1'-biphenyl]-4,4'-diamineSupplier

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