Description

Diethyl Benzylphosphonate is a versatile organophosphorus compound with the CAS number 1080-32-6, serving as a key intermediate in organic synthesis. Its primary value lies in its role as a phosphonate reagent, enabling the formation of carbon-carbon and carbon-phosphorus bonds through reactions like the Horner-Wadsworth-Emmons (HWE) olefination. This chemical is essential for R&D chemists and process engineers in the pharmaceutical and agrochemical industries, where it is used to synthesize complex molecules, active ingredients, and specialty chemicals.

Application

• Pharmaceutical Intermediate: A crucial building block for synthesizing active pharmaceutical ingredients (APIs), particularly those containing phosphorus or requiring olefination steps.
• Agrochemical Synthesis: Used in the production of herbicides, insecticides, and plant growth regulators that utilize phosphonate chemistry.
• Ligand & Catalyst Precursor: Serves as a starting material for the synthesis of specialized phosphine ligands used in homogeneous catalysis.
• Flame Retardant Additive: Acts as a reactive intermediate in the manufacture of organophosphorus flame retardants for polymers and textiles.
• Material Science Research: Employed in the development of novel materials, including metal-organic frameworks (MOFs) and functionalized surfaces.
• Organic Synthesis Reagent: Facilitates key transformations in academic and industrial laboratories, such as the synthesis of alkenes, phosphonic acids, and their derivatives.

Basic Information

Product Name	Diethyl Benzylphosphonate
CAS No.	1080-32-6
Molecular Formula	C11H17O3P
Molecular Weight	228.22 g/mol
Synonyms	Benzylphosphonic Acid Diethyl Ester; Diethyl (Phenylmethyl)phosphonate; Diethyl Benzyl Phosphonate; (Benzyl)diethylphosphonate; Phosphonic Acid, P-(Phenylmethyl)-, Diethyl Ester; EINECS 214-100-7; NSC 404080
EINECS	214-100-7

Quality Control

Our Diethyl Benzylphosphonate is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including GC, HPLC, and NMR, to ensure high purity and consistency. A Certificate of Analysis (COA) detailing identity, assay, and impurity profiles is provided with every shipment to guarantee it meets your specific research or production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20/D)	1.5080 - 1.5120
Density (20°C)	1.090 - 1.110 g/mL

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