Tetrakis(4-formylphenyl)silane

CAS Number 1055999-34-2

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

Tetrakis(4-formylphenyl)silane CAS 1055999-34-2

Covalent Organic Frameworks (COFs) Tetraphenylsilane Ligand

A tectonic bridging ligand linker for COFs in applications of effective iodine and Hg²⁺ adsorption and high selective adsorption of carbon dioxide.

Overview
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Tetrakis(4-formylphenyl)silane (TFPSi), CAS number 1055999-34-2, is a tectonic molecule with four 4-formylphenyl groups joined by a silicon centre. It has been predominantly used in development of metal-organic frameworks (MOFs) and coordination polymers (CPs).

Prepared by the bottom-up approach from TFPSi as one of the building blocks, 3D thioether-based COF JUC-570 demonstrated fast and high Hg²⁺ uptakes of 972 mg g⁻¹ at pH = 5. It is believed that the isopropyl groups around the imine bonds greatly improved its chemical stability by effectively maintaining the pore shape and size, endowing a high Hg²⁺ adsorption capacity (619 mg g⁻¹) and excellent cycle performance even at pH = 1.

MALP-2, also prepared from TFPSi, shows a largest adsorbed amount of 18.6 wt % CO₂ (273 K, 1 bar), and high adsorption selectivity of CO₂over N₂ (22.5) and over CH₄ (6.3). MALP-2 also demonstrated an excellent iodine vapor adsorption capacity (218.5 wt %) and remarkable solution iodine adsorption ability. The high chemical and physical stability, and excellent adsorption performances toward CO₂, toxic organic vapor, and iodine show that MALP COFs are promising candidates for environmental protection.

MOF and COF ligands

Aldehyde ligand for cross-linked COF networks

Worldwide shipping

Quick and reliable shipping

High purity

>97% High purity

Facile reactions

Aldehyde possesses excellent reactivity

General Information

CAS Number	1055999-34-2
Chemical Formula	C₂₈H₂₀O₄Si
Full Name	Tetrakis(4-formylphenyl)silane
Molecular Weight	448.55 g/mol
Synonyms	TFPSi, TFPS, 4,4',4'',4'''-Silanetetrayltetrabenzaldehyde
Classification / Family	Tetraphenylsilane, COF ligands

Chemical Structure

Product Details

Purity	>97%
Melting Point	T_m= 212 – 215 °C. TGA = 418 °C.
Appearance	White powder/crystals

MSDS Documentation

Tetrakis(4-formylphenyl)silane MSDS Sheet

Literature and Reviews

A facile one-pot preparation of porphyrin-based microporous organic polymers for adsorption of carbon dioxide, ethane, and methane, Y. Tan et al., New J. Chem., 46, 19401-19406 (2022); DOI: 10.1039/D2NJ03749A.
Fabrication of Microporous Aminal-Linked Polymers with Tunable Porosity toward Highly Efficient Adsorption of CO2, H2, Organic Vapor, and Volatile Iodine, M. Rong et al., Ind. Eng. Chem. Res., 58 (37), 17369–17379 (2019); DOI: 10.1021/acs.iecr.9b03126.
Facile one-pot synthesis of porphyrin based porous polymer networks (PPNs) as biomimetic catalysts, L. Zou et al., Chem. Commun., 51, 4005-4008 (2015); DOI: 10.1039/C4CC09479D.
Diverse crystal size effects in covalent organic frameworks, T. Ma et al., Nat. Commun., 11, 6128 (2020); DOI: 10.1038/s41467-020-19858-8.
Functional Regulation and Stability Engineering of Three-Dimensional Covalent Organic Frameworks, X. Guan et al., Acc. Chem. Res., 55 (14), 1912–1927 (2022); DOI: 10.1021/acs.accounts.2c00200.
3D Thioether-Based Covalent Organic Frameworks for Selective and Efficient Mercury Removal, Y. Zhang et al., Small, 17 (22); 2006112 (2021); DOI: 10.1002/smll.202006112.

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