Description

(4-Fluorobenzyl)Phosphonic Acid Diethyl Ester is a high-purity organophosphorus compound, specifically a phosphonate ester, serving as a critical synthetic intermediate. Its value lies in its role as a versatile building block for introducing the (4-fluorobenzyl)phosphonate moiety into more complex molecular architectures. This product is essential for researchers and manufacturers in the pharmaceutical and agrochemical industries, where it is used in the development of active ingredients and novel chemical entities.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of bioactive molecules, including potential enzyme inhibitors and receptor modulators.
• Agrochemical Research: Used in the development of novel herbicides, pesticides, and plant growth regulators that incorporate phosphonate functionality.
• Ligand Synthesis: Precursor for creating specialized phosphonate-based ligands used in catalysis and material science.
• Chemical Biology Probes: Employed in the design and synthesis of molecular probes for studying biological processes.
• Material Science: Intermediate for the synthesis of flame retardants, plasticizers, or specialty polymers.
• Cross-Coupling Reactions: Serves as a substrate in various metal-catalyzed cross-coupling reactions to form carbon-phosphorus bonds.

Basic Information

Product Name	(4-Fluorobenzyl)Phosphonic Acid Diethyl Ester
CAS No.	63909-58-0
Molecular Formula	C11H16FO3P
Molecular Weight	246.21 g/mol
Synonyms	Diethyl (4-Fluorobenzyl)phosphonate; (4-Fluorobenzyl)phosphonic Acid Diethyl Ester; Diethyl P-[(4-Fluorophenyl)methyl]phosphonate; Phosphonic Acid, P-[(4-Fluorophenyl)methyl]-, Diethyl Ester; Diethyl (4-Fluorobenzyl)phosphonite (common misnomer); 4-Fluorobenzylphosphonic Acid Diethyl Ester; Diethyl 4-Fluorobenzylphosphonate
EINECS	Contact for details

Quality Control

Our (4-Fluorobenzyl)Phosphonic Acid Diethyl Ester is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including chromatographic purity analysis and structural confirmation, to ensure it meets the high standards required for research and synthesis. A Certificate of Analysis (COA) detailing specific results for purity, identity, and impurities is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (typically 15-25°C). Keep away from strong oxidizing agents and strong bases.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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