1,2,4,5-Tetrakis(4-formylphenyl)benzene

CAS Number 883835-33-4

Carbaldehyde Monomers, Chemistry Building Blocks, COF Ligands, Materials, Porous Organic Frameworks

1,2,4,5-Tetrakis(4-formylphenyl)benzene MSDS

1,2,4,5-Tetrakis(4-formylphenyl)benzene CAS 883835-33-4

Covalent Organic Frameworks (COFs) Terphenyl Ligand

A formyl functional ligand linker for COFs in application of iodine uptake, photocatalytic hydrogen evolution (PHE), high-performance supercapacitors and heterogeneous catalysis

Overview
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1,2,4,5-Tetrakis(4-formylphenyl)benzene (TFPB), CAS number 883835-33-4, is a cross-like terphenyl linker with four 4-formylphenyl functional groups attached to a benzene ring at 1,2,4,5-positions.

Constructed by the condensation reaction between 2,5-diaminobenzene-1,4-dithiol (DABDT) and 1,2,4,5-tetrakis-(4-formylphenyl)benzene, thiol-decorated covalent organic framework SH-COF-2 showed a high surface area of 227 m² g⁻¹ and enhanced electrochemical performance with a capacitance of 118 mF cm⁻² and a capacitance retention >95% after 1000 cycles.

Highly conjugated two-dimensional covalent organic framework TFPB-PyTTA-COF, alternating 4,4',4'',4'''-(pyrene-1,3,6,8-tetrayl)tetraaniline (PyTTA) as the nodes and 1,2,4,5-tetrakis(4-formylphenyl)benzene as the bridging linker units, possessed high chemical and physical stability. TFPB-PyTTA-COF exhibited an excellent iodine uptake value of up to 5.6 g g⁻¹, superior to most reported COF-based adsorbents for the adsorption of iodine.

COF-TPE-TPB-B, obtained via a [4 + 2] pathway with unreacted dangling formyl groups from the monomers TFPB and 1,1,2,2-tetra(4-aminophenyl)ethylene (TPE-NH2), exhibited photocatalytic hydrogen evolution (PHE) activity with improved hydrophilicity and better charge separation and transportation.

MOF and COF ligands

Aldehyde ligand for cross-linked COF networks

Worldwide shipping

Quick and reliable shipping

High purity

>98% High purity

Facile reactions

Aldehyde possesses excellent reactivity

General Information

CAS Number	883835-33-4
Chemical Formula	C₃₄H₂₂O₄
Full Name	1,2,4,5-Tetrakis(4-formylphenyl)benzene
Molecular Weight	494.54 g/mol
Synonyms	TFPB, 4-[2,4,5-Tris(4-formylphenyl)phenyl]benzaldehyde, [1,1:2,1-Terphenyl]-4,4-dicarboxaldehyde,4,5-bis(4-formylphenyl)-
Classification / Family	Terphenyl, COF ligands

Chemical Structure

Product Details

Purity	>98%
Melting Point	152°C ~ 156 °C
Appearance	White or off-white powder/crystals

MSDS Documentation

1,2,4,5-tetrakis(4-formylphenyl)benzene MSDS Sheet

Literature and Reviews

Thiol-decorated covalent organic frameworks as multifunctional materials for high-performance supercapacitors and heterogeneous catalysis, D. Pakulski et al., J. Mater. Chem. A, 10, 16685-16696 (2022); DOI: 10.1039/D2TA03867F.
Synthesis of a magnetic covalent organic framework as sorbents for solid-phase extraction of aflatoxins in food prior to quantification by liquid chromatography-mass spectrometry, L. Li et al., Food Chem., 387, 132821 (2022); DOI: 10.1016/j.foodchem.2022.132821.
Platinum Nanoparticles Uniformly Dispersed on Covalent Organic Framework Supports for Selective Synthesis of Secondary Amines, N. Wang et al., ChemCatChem, 14 (5), e202101587 (2022); DOI: 10.1002/cctc.202101587.
Highly Conjugated Two-dimensional Covalent Organic Frameworks for Efficient Iodine Uptake, M. Zhou et al., Chem. Asian J., 17 (15), e202200358 (2022); DOI: 10.1002/asia.202200358.
Construction of Covalent Organic Frameworks with Partly Condensed Networks for Photocatalytic Hydrogen Evolution, C. Gao et al., ACS Appl. Energy Mater., 6 (18), 9427–9433 (2023); DOI: 10.1021/acsaem.3c01379.

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