4-Bromo-N-(4-bromophenyl)-N-(4-(sec-butyl)phenyl)aniline

CAS Number 287976-94-7

Chemistry Building Blocks, Dibromo Monomers, Monomers, Non-Heterocyclic Building Blocks

4-Bromo-N-(4-bromophenyl)-N-(4-(sec-butyl)phenyl)aniline MSDS

4-Bromo-N-(4-bromophenyl)-N-(4-(sec-butyl)phenyl)aniline CAS 287976-94-7

4-Bromo-N-(4-bromophenyl)-N-(4-sec-butylphenyl)aniline, Triphenylamine intermediate

Another triarylamine intermediate widely used in the preparation of semiconducting small molecules and polymers in application of organic light-emitting devices and perovskite solar cells.

Overview
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4-Bromo-N-(4-bromophenyl)-N-(4-sec-butylphenyl)aniline, CAS number 287976-94-7, a triarylamine intermediate bearing one sec-butyl solubilizing and two bromo functional groups, has been commonly used in the preparation of hole transporting semiconducting small molecules and polymers in application of light-emitting diodes and perovskite solar cells.

Poly(9,9-dioctylfluorene-alt-N-(4-sec-butylphenyl)-diphenylamine), known as TFB and synthesised from 4-bromo-N-(4-bromophenyl)-N-(4-(sec-butyl)phenyl)aniline and 2,2'-(9,9-dioctyl-9H-fluorene-2,7-diyl)bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolane) Suzuki coupling polymerisation, is widely used as hole transport layer in organic electronic devices.

General Information

CAS Number	287976-94-7
Chemical Formula	C₂₂H₂₁Br₂N
Molecular Weight	459.22 g/mol
Full Name	4-Bromo-N-(4-bromophenyl)-N-(4-sec-butylphenyl)aniline
Synonyms	N,N-Bis(4-bromophenyl)-N-(4-sec-butylphenyl)amine 4-sec-Butyl-N,N-bis(4-bromophenyl)aniline
Classification / Family	Triphenylamine derivatives, Semiconductor synthesis intermediates, Hole transport layer, Perovskite solar cells

Chemical Structure

Product Details

Purity	>98% (¹H NMR)
Melting Point	N/A
Appearance	White to light yellow powder/crystals

MSDS Documentation

4-Bromo-N-(4-bromophenyl)-N-(4-sec-butylphenyl)aniline MSDS Sheet

Literature and Reviews

High Efficiency Composite Metal Oxide-Polymer Electroluminescent Devices: A Morphological and Material Based Investigation, D. Kabra et al., Adv. Mater., 20 (18), 3447-3452 (2008); DOI: 10.1002/adma.200800202.
Realizing 22.3% EQE and 7-Fold Lifetime Enhancement in QLEDs via Blending Polymer TFB and Cross-Linkable Small Molecules for a Solvent-Resistant Hole Transport Layer, P. Tang et al, ACS Appl. Mater. Interfaces, 12 (11), 13087–13095 (2022); DOI: 10.1021/acsami.0c01001..
Enhancing hole carrier injection via low electrochemical doping on circularly polarized polymer light-emitting diodes, H Yan et al., J. Mater. Chem. C, 10, 9512-9520 (2022); DOI: 10.1039/D2TC01010K.
A solvent-resistant azide-based hole injection/transporting conjugated polymer for fluorescent and phosphorescent light-emitting diodes, C. Huang et al., J. Mater. Chem. C, 3, 8142-8151 (2015); DOI: 10.1039/C5TC01794G.

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