Cas no 261945-05-5 (2,5-Difluoro-4-(trifluoromethyl)benzoic acid)

2,5-Difluoro-4-(trifluoromethyl)benzoic acid is a fluorinated aromatic carboxylic acid with a molecular formula of C8H3F5O2. Its structure features two fluorine atoms at the 2- and 5-positions and a trifluoromethyl group at the 4-position of the benzoic acid core, enhancing its electron-withdrawing properties. This compound is valued in pharmaceutical and agrochemical research as a versatile building block for synthesizing fluorinated derivatives, where its strong inductive effects can influence reactivity and metabolic stability. The high degree of fluorination also improves lipophilicity, making it useful in designing bioactive molecules. It is typically employed in coupling reactions or as an intermediate in the development of advanced materials and specialty chemicals.
2,5-Difluoro-4-(trifluoromethyl)benzoic acid structure
261945-05-5 structure
Product Name:2,5-Difluoro-4-(trifluoromethyl)benzoic acid
CAS No:261945-05-5
MF:C8H3F5O2
MW:226.100239992142
MDL:MFCD01631618
CID:1029281
PubChem ID:53440797
Update Time:2025-06-15

2,5-Difluoro-4-(trifluoromethyl)benzoic acid Chemical and Physical Properties

Names and Identifiers

    • 2,5-Difluoro-4-(trifluoromethyl)benzoic acid
    • 2,5-bis(fluoranyl)-4-(trifluoromethyl)benzoic acid
    • 3,6-Difluoro-4-(trifluoromethyl)benzoic acid
    • A818302
    • AK136430
    • CTK8H8862
    • KB-70257
    • PubChem12003
    • CM12688
    • AX8257998
    • Benzoic acid, 2,5-difluoro-4-(trifluoromethyl)-
    • Z2082999898
    • Z1509535286
    • AMY6342
    • DTXSID00702810
    • MFCD01631618
    • AS-67287
    • AKOS022171868
    • 2,5-Difluoro-4-(trifluoromethyl)benzoicacid
    • DMVHPNBSOAALGT-UHFFFAOYSA-N
    • SCHEMBL12725573
    • EN300-172621
    • CS-0134048
    • DB-067568
    • 261945-05-5
    • DTXCID80653558
    • MDL: MFCD01631618
    • Inchi: 1S/C8H3F5O2/c9-5-2-4(8(11,12)13)6(10)1-3(5)7(14)15/h1-2H,(H,14,15)
    • InChI Key: DMVHPNBSOAALGT-UHFFFAOYSA-N
    • SMILES: FC1C=C(C(=O)O)C(=CC=1C(F)(F)F)F

Computed Properties

  • Exact Mass: 226.00532014g/mol
  • Monoisotopic Mass: 226.00532014g/mol
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 1
  • Hydrogen Bond Acceptor Count: 7
  • Heavy Atom Count: 15
  • Rotatable Bond Count: 1
  • Complexity: 252
  • Covalently-Bonded Unit Count: 1
  • Defined Atom Stereocenter Count: 0
  • Undefined Atom Stereocenter Count : 0
  • Defined Bond Stereocenter Count: 0
  • Undefined Bond Stereocenter Count: 0
  • Topological Polar Surface Area: 37.3
  • XLogP3: 2.5

Experimental Properties

  • Density: 1.571±0.06 g/cm3 (20 oC 760 Torr),
  • Melting Point: 267-270℃
  • Boiling Point: 238.7±40.0 oC (760 Torr),
  • Flash Point: 98.1±27.3 oC,
  • Solubility: Almost insoluble (0.045 g/l) (25 o C),
  • Vapor Pressure: 0.0±0.5 mmHg at 25°C

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Additional information on 2,5-Difluoro-4-(trifluoromethyl)benzoic acid

Introduction to 2,5-Difluoro-4-(trifluoromethyl)benzoic acid (CAS No. 261945-05-5)

2,5-Difluoro-4-(trifluoromethyl)benzoic acid, identified by its Chemical Abstracts Service (CAS) number 261945-05-5, is a fluorinated benzoic acid derivative that has garnered significant attention in the field of pharmaceutical and agrochemical research. This compound, characterized by its two fluorine atoms at the 2- and 5-positions and a trifluoromethyl group at the 4-position, exhibits unique structural and electronic properties that make it a valuable intermediate in synthetic chemistry. The presence of multiple fluorine atoms enhances its lipophilicity and metabolic stability, which are critical factors in drug design.

Thesynthesis of 2,5-Difluoro-4-(trifluoromethyl)benzoic acid typically involves fluorination and trifluoromethylation reactions on a benzoic acid precursor. Advanced catalytic systems, such as transition metal-catalyzed cross-coupling reactions, have been employed to achieve high regioselectivity and yield. These synthetic approaches are in line with the growing demand for efficient and sustainable methodologies in chemical manufacturing.

Recent studies have highlighted thepharmacological potential of 2,5-Difluoro-4-(trifluoromethyl)benzoic acid as a lead compound for developing novel therapeutic agents. Its structural motif is reminiscent of known bioactive molecules, suggesting potential applications in areas such as anti-inflammatory, anti-viral, and anticancer therapies. For instance, fluorinated benzoic acids have been reported to modulate enzyme activity by influencing binding affinities and metabolic pathways.

In particular, thetrifluoromethyl group is a well-documented pharmacophore that enhances binding interactions with biological targets. This feature has been exploited in the design of drugs with improved pharmacokinetic profiles. Additionally, thefluoro substituents contribute to the compound's stability against enzymatic degradation, extending its half-life in vivo. These attributes make 2,5-Difluoro-4-(trifluoromethyl)benzoic acid an attractive candidate for further development.

Theagrochemical industry has also shown interest in this compound due to its potential as a precursor for next-generation pesticides. Fluorinated aromatic compounds often exhibit enhanced efficacy against resistant pests while maintaining environmental safety. Research is ongoing to explore its role in synthesizing novel herbicides and fungicides that address emerging challenges in crop protection.

Theanalytical characterization of 2,5-Difluoro-4-(trifluoromethyl)benzoic acid is typically performed using high-resolution mass spectrometry (HRMS), nuclear magnetic resonance (NMR) spectroscopy, and X-ray crystallography. These techniques provide definitive confirmation of its molecular structure and purity. Furthermore, computational methods such as density functional theory (DFT) have been utilized to predict its electronic properties and reactivity.

In conclusion, 2,5-Difluoro-4-(trifluoromethyl)benzoic acid (CAS No. 261945-05-5) represents a promising compound with diverse applications across pharmaceuticals and agrochemicals. Its unique structural features and favorable physicochemical properties position it as a key intermediate in drug discovery and material science. As research continues to uncover new synthetic routes and biological activities, this compound is poised to play an increasingly significant role in modern chemistry.

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