Description

2,3,4,5,6-Pentafluorobenzylphosphonic Acid is a high-value organofluorine building block featuring a benzylphosphonic acid core with a perfluorinated aromatic ring. This unique structure provides exceptional chemical stability and reactivity, making it a critical intermediate for advanced material synthesis. It is primarily utilized by R&D chemists and process engineers in the pharmaceutical, agrochemical, and specialty chemical industries for constructing complex molecules and functional materials.

Application

• Pharmaceutical Intermediate: Serves as a key synthon in the development of novel active pharmaceutical ingredients (APIs), particularly for fluorine-containing drugs.
• Agrochemical Synthesis: Used in the research and production of advanced herbicides, pesticides, and plant growth regulators that benefit from fluorine's metabolic stability.
• Ligand & Catalyst Development: Acts as a precursor for phosphonate-based ligands in catalysis and metal-organic frameworks (MOFs).
• Material Science: Employed in the synthesis of specialty polymers, surface modifiers, and flame retardants where the pentafluorophenyl group imparts specific properties.
• Chemical Research: A versatile reagent in organic synthesis for introducing the phosphonic acid functional group into perfluorinated aromatic systems.

Basic Information

Product Name	2,3,4,5,6-Pentafluorobenzylphosphonic Acid
CAS No.	137174-84-6
Molecular Formula	C7H4F5O3P
Molecular Weight	262.08 g/mol
Synonyms	Pentafluorobenzylphosphonic Acid; (Pentafluorophenyl)methanephosphonic Acid; [(Pentafluorophenyl)methyl]phosphonic Acid; 2,3,4,5,6-Pentafluorobenzylphosphonic Acid; Benzylphosphonic Acid, 2,3,4,5,6-pentafluoro-; α-Pentafluorophenylmethylphosphonic Acid
EINECS	Contact for details

Quality Control

Our 2,3,4,5,6-Pentafluorobenzylphosphonic Acid is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and NMR for structural confirmation, to ensure it meets the high standards required for research and industrial synthesis. Certificates of Analysis (COA) with detailed specifications are provided for every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This compound is hygroscopic (moisture-sensitive) and must be kept under an inert atmosphere or in a desiccator for long-term storage to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 1.0%
Melting Point	Contact for details

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