15041-74-4

Basic information

• Product Name: 2,3,5,6-Tetrafluoroterephthaloyl Dichloride
• Synonyms: 2,3,5,6-Tetrafluoroterephthaloyl Dichloride
• CAS NO: 15041-74-4
• Molecular Formula: C₈Cl₂F₄O₂
• Molecular Weight: 274.9840128
• Mol File: 15041-74-4.mol
• Article Data: 5

Chemical Properties

• Boiling Point: 215 °C
• Appearance: /
• Density: 1.728±0.06 g/cm3(Predicted)
• CAS DataBase Reference: 2,3,5,6-Tetrafluoroterephthaloyl Dichloride(CAS DataBase Reference)
• NIST Chemistry Reference: 2,3,5,6-Tetrafluoroterephthaloyl Dichloride(15041-74-4)
• EPA Substance Registry System: 2,3,5,6-Tetrafluoroterephthaloyl Dichloride(15041-74-4)

Safety Data

• Hazardous Substances Data: 15041-74-4(Hazardous Substances Data)

Usage

General Description

2,3,5,6-Tetrafluoroterephthaloyl dichloride is a chemical compound with the molecular formula C8H2Cl2F4O2. It is a white solid at room temperature and is commonly used in the production of high-performance polymers and materials. 2,3,5,6-Tetrafluoroterephthaloyl Dichloride is a diacid chloride derivative of terephthalic acid and is known for its strong reactivity as a building block for the synthesis of various polymers, including polyamides and polyimides. It is often employed in the manufacture of specialty films, fibers, and coatings with exceptional thermal and chemical resistance properties. Due to its unique chemical structure and properties, 2,3,5,6-Tetrafluoroterephthaloyl dichloride is widely utilized in industries such as electronics, aerospace, and automotive.

Upstream product

• 652-36-8 2,3,5,6-tetrafluoroterephthalic acid 
• 5216-22-8 perfluoro-4-methylbenzoic acid 
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• 140455-18-1 heptafluoro-p-toluyl chloride 
• 117338-23-5 2,3,5,6-tetrafluoro-4-trifluoromethyl-benzoyl fluoride 
• 727-55-9 dimethyl 2,3,5,6-tetrafluoroterephthalate 

Downstream Products

• 625846-37-9 bis(α-trifluoromethyl-β,β-difluorovinyl) 2,3,5,6-tetrafluoroterephthalate 
• 16346-58-0 tetrafluoro-1,4-phenylene diisocyanate 
• 54431-83-3 N,N,N'N'-tetraethyl-2,3,5,6-tetrafluorobenzene-1,4-dicarboxamide 
• 29261-33-4 2,3,5,6-tetrafluoro-7,7',8,8'-tetracyanoquinodimethane 

Relevant articles and documents

Functional Two-Dimensional Coordination Polymer Exhibiting Luminescence Detection of Nitroaromatics

A polyfluorinated-aromatic carboxylic acid has been designed and synthesized by the acylation reaction, tetrafluoro-bis(3,5-dicarboxyphenyl)terephthalamide (H4 bdtfa), which assembled with Zn2+ ions in the mixed solvents of DMF, py, and H2O under solvothermal conditions to produce a two-dimensional (2D) coordination polymer (CP), {[Zn2(bdtfa)(py)3(H2O)]·2DMF}n (1), (py = pyridine, DMF = N,N′-dimethylmethanamide). The final structure has been carefully characterized by various methods including single-crystal X-ray diffraction, powder X-ray diffraction (PXRD), infrared (IR) spectroscopy, and thermogravimetric analysis. Two types of four-coordinated Zn2+ centers present a 2D "sql"-type layer through bdtfa4- ligands, and the adjacent layers are connected through hydrogen bonds and π?π stacking interactions to produce a three-dimensional supramolecular framework. Luminescent results reveal that CP 1 can be regarded as a highly sensitive sensor for detecting nitroaromatics based on the fluorescence quenching effect. Moreover, the reason for the luminescent response of CP 1 toward nitroaromatics has been investigated by theoretical calculations, which indicates that the reason for the quenching can be primarily due to the energy- and electron-transfer as well as the electrostatic interaction between nitroaromatics and CP 1.

Extending the series of p-substituted tetrafluorobenzoic acids: synthesis, properties and structure

The synthesis of the derivatives of p-aminotetrafluorobenzoic acid, p-H2NC6F4CO2H (2b), by hydrolysis, acylation or interaction with aldehydes was developed giving H2NC6F4CO2K (2a), C6F5C(O)N(H)C6F4CO2Et (3) and (E)-ArCH[dbnd]NC6F4CO2Et (4–11). The chemical derivatization of tetrafluoroterephthalic acid, p-HO2CC6F4CO2H (12), by hydrolysis, etherification and reduction was performed giving a number of symmetrical X(O)CC6F4C(O)X (13–15; X?=?Cl, NEt2, OMe) or unsymmetrical YC6F4CO2Me (15a–b, 16, 18–21; Y?=?CO2K, CO2H, CH2OH, C(O)Cl, C(O)C6H3(i-Pr)2, CO2CH2C6F4CO2Me, CO2C6H4Bu-t), HOCH2C6F4CO2H (17), [MeO2CC6F4]2Y (22, 23; Y?=?OCH2CH2O, N(H)C6H4N(H)) compounds. All substances were thoroughly investigated by spectroscopic methods (multinuclear NMR and IR spectroscopy, mass-spectrometry). The molecular structures of p-H2NC6F4CO2Et (2) and p-HO2CC6F4CO2Me (15b) have been determined by X-ray diffraction analysis.

REACTION OF PERFLUORINATED METHYL- AND ALKENYLBENZENES WITH INORGANIC OXIDES IN THE PRESENCE OF ANTIMONY PENTAFLUORIDE

A study was carried out on the reaction of perfluorinated toluene, m-xylene, p-xylene, mesitylene, and m-(1-propenyl)toluene with inorganic oxides in the presence of antimony pentafluoride.Depending on the reaction conditions, polyfluorinated acids resulting from the consecutive conversion of trifluoromethyl groups into carboxylic acid groups are obtained after hydrolysis of the reaction mixtures.