Tetrafluoroterephthalic acid dichloride

Base Information

• Chemical Name: Tetrafluoroterephthalic acid dichloride
• CAS No.: 15041-74-4
• Molecular Formula: C8Cl2F4O2
• Molecular Weight: 274.986
• DSSTox Substance ID: DTXSID50532285
• Nikkaji Number: J1.516.341K
• Wikidata: Q82404774
• Mol file: 15041-74-4.mol

Synonyms:15041-74-4;2,3,5,6-tetrafluorobenzene-1,4-dicarbonyl chloride;2,3,5,6-Tetrafluoroterephthaloyl Dichloride;1,4-Benzenedicarbonyl dichloride, 2,3,5,6-tetrafluoro-;2,3,5,6-tetrafluoroterephthaloyl chloride;tetrafluoroterephthalic acid dichloride;Tetrafluoronterephthaloyl dichloride;SCHEMBL996758;tetrafluorotere-phthaloylchloride;DTXSID50532285;KTJXAKJGNYCBOI-UHFFFAOYSA-N;MFCD00049287;AKOS040694359;2,3,5,6-tetrafluoroterephthalic acid chloride;2,3,5,6-Tetrafluorobenzene-1,4-dicarbonyl dichloride

Chemical Property of Tetrafluoroterephthalic acid dichloride

Chemical Property:

• Boiling Point: 215 °C
• PSA: 34.14000
• Density: 1.728±0.06 g/cm3(Predicted)
• LogP: 3.00100
• XLogP3: 3.3
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 6
• Rotatable Bond Count: 2
• Exact Mass: 273.9211473
• Heavy Atom Count: 16
• Complexity: 268

Purity/Quality:

99%+, ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C1(=C(C(=C(C(=C1F)F)C(=O)Cl)F)F)C(=O)Cl

Technology Process of Tetrafluoroterephthalic acid dichloride

There total 7 articles about Tetrafluoroterephthalic acid dichloride which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 98.0%

2,3,5,6-tetrafluoroterephthalic acid (652-36-8) → 2,3,5,6-tetrafluorobenzene-1,4-dicarbonyl dichloride (15041-74-4)

Guidance literature:

With sulfuryl dichloride; at 0 ℃; for 5h; Reflux;

DOI:10.1016/j.jfluchem.2017.03.002

Reference yield:

1,2,4,5-tetrafluoro-3,6-bis-trifluoromethyl-benzene (651-89-8) → 2,3,5,6-tetrafluorobenzene-1,4-dicarbonyl dichloride (15041-74-4)

Guidance literature:

Multi-step reaction with 2 steps

1: 1.) SbF₅, SiO₂, 2.) H₂O / 1.) 130 deg C, 3.5 h

2: SOCl₂ / dimethylformamide / 3 h / 80 - 110 °C

With water; antimony pentafluoride; silica gel; thionyl chloride; In N,N-dimethyl-formamide;

Reference yield:

perfluoro-4-methylbenzoic acid (5216-22-8) → 2,3,5,6-tetrafluorobenzene-1,4-dicarbonyl dichloride (15041-74-4)

Guidance literature:

Multi-step reaction with 4 steps

1: 7.09 g / SOCl₂, DMF / 3 h / 80 - 110 °C

2: 3.14 g / KF / 16 h / 200 °C

3: 1.) SbF₅, 2.) H₂O / 1.) 130 deg C, 10 h

4: SOCl₂ / dimethylformamide / 3 h / 80 - 110 °C

With potassium fluoride; thionyl chloride; water; antimony pentafluoride; N,N-dimethyl-formamide; thionyl chloride; In N,N-dimethyl-formamide;

upstream raw materials:

2,3,5,6-tetrafluoroterephthalic acid

perfluoro-4-methylbenzoic acid

1,2,4,5-tetrafluoro-3,6-bis-trifluoromethyl-benzene

heptafluoro-p-toluyl chloride

Downstream raw materials:

bis(α-trifluoromethyl-β,β-difluorovinyl) 2,3,5,6-tetrafluoroterephthalate

tetrafluoro-1,4-phenylene diisocyanate

N,N,N'N'-tetraethyl-2,3,5,6-tetrafluorobenzene-1,4-dicarboxamide

2,3,5,6-tetrafluoro-7,7',8,8'-tetracyanoquinodimethane