Description

Diethyl 1-Phenylethyl Phosphonate is a specialized organophosphorus compound, a key intermediate in modern synthetic chemistry. Its primary value lies in its role as a versatile building block for the synthesis of complex molecules, particularly in the pharmaceutical and agrochemical sectors. This chemical is essential for researchers and manufacturers developing active pharmaceutical ingredients (APIs), fine chemicals, and novel crop protection agents.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of chiral drugs and biologically active molecules, particularly those requiring a phosphonate moiety.
• Agrochemical Synthesis: Used in the production of advanced herbicides, insecticides, and plant growth regulators.
• Ligand and Catalyst Development: Serves as a starting material for creating novel phosphine-based ligands used in asymmetric catalysis and transition metal complexes.
• Flame Retardant Research: Investigated as a potential intermediate for developing new organophosphorus flame retardants.
• Material Science: Employed in the synthesis of specialty polymers and functional materials with specific thermal or chemical properties.
• Organic Synthesis Building Block: Utilized in Horner-Wadsworth-Emmons (HWE) olefination reactions and other carbon-carbon bond-forming processes.

Basic Information

Product Name	Diethyl 1-Phenylethyl Phosphonate
CAS No.	33973-48-7
Molecular Formula	C12H19O3P
Molecular Weight	242.25 g/mol
Synonyms	Diethyl (1-Phenylethyl)phosphonate; (1-Phenylethyl)phosphonic Acid Diethyl Ester; α-Methylbenzylphosphonic Acid Diethyl Ester; Diethyl α-Methylbenzylphosphonate; Phosphonic Acid, (1-Phenylethyl)-, Diethyl Ester; Diethyl (α-Methylbenzyl)phosphonate; 1-Phenylethylphosphonic Acid Diethyl Ester
EINECS	Contact for details

Quality Control

Our Diethyl 1-Phenylethyl Phosphonate is produced under stringent quality management systems. Every batch undergoes rigorous analytical testing, including chromatography (HPLC/GC) and spectroscopic methods (NMR, IR), to ensure high chemical purity and consistent performance. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong bases and incompatible materials. For long-term storage, consider maintaining under an inert atmosphere to preserve stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Specific Rotation (if chiral)	Contact for details

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