Description

Pentafluorophenyl 2,3,4,5,6-Pentafluoro-Benzenesulfonate is a highly reactive and versatile perfluorinated aryl sulfonate ester, a key building block in advanced organic synthesis. Its primary value lies in its exceptional ability to act as a superior leaving group and a precursor for introducing the electron-deficient pentafluorophenyl moiety into complex molecular architectures. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and materials science industries, particularly for the development of active pharmaceutical ingredients (APIs), specialty polymers, and liquid crystal materials.

Application

• Pharmaceutical Intermediate: A critical reagent in nucleophilic aromatic substitution (SNAr) reactions for synthesizing complex drug molecules and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and pesticides that require fluorinated aromatic systems for enhanced bioactivity and stability.
• Polymer & Material Science: Serves as a monomer or cross-linking agent for creating high-performance fluorinated polymers, resins, and liquid crystals with unique thermal and chemical resistance.
• Peptide & Protein Modification: Employed as an activating agent for carboxyl groups or for introducing fluorinated tags in bioconjugation chemistry and probe development.
• Catalyst & Ligand Preparation: A precursor for synthesizing specialized fluorinated ligands and organometallic catalysts used in asymmetric synthesis and coupling reactions.
• Organic Electronics: Used in the fabrication of electron-transport layers and other components in OLEDs and organic photovoltaic devices due to its electron-deficient nature.

Basic Information

Product Name	Pentafluorophenyl 2,3,4,5,6-Pentafluoro-Benzenesulfonate
CAS No.	140200-31-3
Molecular Formula	C12F10O3S
Molecular Weight	438.17 g/mol
Synonyms	Pentafluorophenyl Pentafluorobenzenesulfonate; Perfluorophenyl Perfluorobenzenesulfonate; 2,3,4,5,6-Pentafluorophenyl 2,3,4,5,6-Pentafluorobenzenesulfonate; PFP-Sulfonate; Pentafluorophenyl Sulfonate Ester; NSC 405124; F5PhOSO2C6F5; Pentafluorophenyl Perfluoro-1-benzenesulfonate
EINECS	Contact for details

Quality Control

Our Pentafluorophenyl 2,3,4,5,6-Pentafluoro-Benzenesulfonate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including NMR (¹H, ¹⁹F, ¹³C), HPLC, and GC analysis, to ensure high purity and consistency. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with every shipment to support your R&D and production needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Keep the container tightly sealed in a dry environment to minimize exposure to moisture. Incompatible with strong bases and fluorides; store away from such materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.