Description

Dimethyl 3-Cyanobenzylphosphonate is a versatile organophosphorus compound used as a key synthetic intermediate. Its value lies in its role as a Horner-Wadsworth-Emmons (HWE) reagent, enabling the efficient construction of carbon-carbon double bonds, particularly in the synthesis of α,β-unsaturated nitriles. This product is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors who require high-purity building blocks for complex molecule synthesis. We supply CAS 287720-52-9 with consistent quality and reliable technical support for global industrial and R&D applications.

Application

• Pharmaceutical Intermediates: Critical building block in the synthesis of active pharmaceutical ingredients (APIs), especially those containing vinyl or acrylonitrile moieties.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and insecticides that require specific olefination steps.
• Ligand and Catalyst Preparation: Serves as a precursor for phosphonate-based ligands used in coordination chemistry and catalysis.
• Material Science: Employed in the synthesis of functionalized polymers and advanced organic materials with tailored properties.
• Fine Chemical Production: Key reagent for the scalable synthesis of complex fine chemicals and specialty aromatics.
• Academic and Industrial R&D: A valuable tool for synthetic organic chemists exploring new methodologies and compound libraries.

Basic Information

Product Name	Dimethyl 3-Cyanobenzylphosphonate
CAS No.	287720-52-9
Molecular Formula	C10H12NO3P
Molecular Weight	225.18 g/mol
Synonyms	Dimethyl (3-Cyanobenzyl)phosphonate; (3-Cyanobenzyl)phosphonic Acid Dimethyl Ester; Phosphonic Acid, P-[(3-Cyanophenyl)methyl]-, Dimethyl Ester; Dimethyl (3-Cyanophenylmethyl)phosphonate; 3-Cyanobenzylphosphonic Acid Dimethyl Ester; m-Cyanobenzylphosphonic Acid Dimethyl Ester; HWE Reagent for m-Cyanobenzyl Aldehyde Synthesis
EINECS	Contact for details

Quality Control

Our Dimethyl 3-Cyanobenzylphosphonate is produced under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC, NMR, and GC, to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with each shipment, documenting all critical parameters. Our quality commitment ensures the material meets the stringent requirements for use as a synthetic intermediate in regulated industries.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); keep the container tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 3.0%

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