Description

Diethyl ((Benzyloxy)Methyl)Phosphonate is a high-purity organophosphorus compound, CAS NO 89268-01-9, serving as a versatile and critical building block in advanced organic synthesis. Its primary value lies in its role as a key reagent for the Horner-Wadsworth-Emmons (HWE) olefination reaction, enabling the efficient construction of complex alkene frameworks. This chemical is essential for research chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries who require reliable, high-quality intermediates for the synthesis of active ingredients and novel materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of various active pharmaceutical ingredients (APIs), particularly those containing alkene or α,β-unsaturated carbonyl functionalities.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators that require specific olefin structures.
• Material Science Research: Employed in the development of novel polymers, liquid crystals, and organic electronic materials where precise control over double bond formation is critical.
• Fine Chemical Manufacturing: Acts as a vital reagent for the custom synthesis of complex fragrance molecules, dyes, and other specialty organic compounds.
• Academic & Industrial R&D: A staple reagent in organic chemistry laboratories for method development and the synthesis of novel molecular scaffolds for biological screening.

Basic Information

Product Name	Diethyl ((Benzyloxy)Methyl)Phosphonate
CAS No.	89268-01-9
Molecular Formula	C₁₂H₁₉O₄P
Molecular Weight	258.25 g/mol
Synonyms	Diethyl (Benzyloxymethyl)phosphonate; (Benzyloxymethyl)phosphonic Acid Diethyl Ester; Diethyl P-[(Benzyloxy)methyl]phosphonate; Phosphonic Acid, P-[(Benzyloxy)methyl]-, Diethyl Ester; Diethyl (Benzyloxymethyl)phosphonate; Benzyloxymethanephosphonic Acid Diethyl Ester; Diethyl [(Benzyloxy)methyl]phosphonate; (Benzyloxymethyl)-phosphonic Acid Diethyl Ester
EINECS	Contact for details

Quality Control

Our Diethyl ((Benzyloxy)Methyl)Phosphonate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, NMR, and IR spectroscopy, to ensure high chemical purity and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all relevant specifications. Our quality commitment aligns with cGMP principles where applicable, ensuring reliability for your most demanding synthesis applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and should be handled under an inert atmosphere (e.g., nitrogen or argon) for prolonged storage or after opening to prevent degradation. Keep away from strong bases and incompatible materials.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Assay (HPLC/GC)	≥ 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.