Description

Diethyl (2-Methylallyl)Phosphonate is a high-purity organophosphorus compound that serves as a versatile 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 and stereoselective construction of complex molecules. This product is essential for R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries seeking to create novel carbon-carbon double bonds and functionalized intermediates.

Application

• Pharmaceutical Intermediates: A critical reagent in the synthesis of active pharmaceutical ingredients (APIs), particularly for constructing olefin linkages in drug candidates.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and plant growth regulators that require specific alkene functionalities.
• Material Science Precursors: Employed in the creation of specialized monomers, ligands for catalysis, and phosphorus-containing polymers.
• Fine Chemical Manufacturing: Acts as a key synthon for producing flavors, fragrances, and other high-value specialty chemicals.
• Academic & Industrial R&D: A staple reagent in laboratory-scale research for method development and exploring new synthetic pathways involving olefination.

Basic Information

Product Name	Diethyl (2-Methylallyl)Phosphonate
CAS No.	51533-70-1
Molecular Formula	C8H17O3P
Molecular Weight	192.19 g/mol
Synonyms	Diethyl (2-methylprop-2-en-1-yl)phosphonate; (2-Methylallyl)phosphonic acid diethyl ester; Diethyl 2-methylallylphosphonate; 2-Methylallylphosphonic acid diethyl ester; Diethyl (2-methyl-2-propenyl)phosphonate; Phosphonic acid, P-(2-methyl-2-propen-1-yl)-, diethyl ester
EINECS	Contact for details

Quality Control

Our Diethyl (2-Methylallyl)Phosphonate is produced under stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including GC, NMR, and IR spectroscopy, to ensure a minimum purity of 97% and consistent performance. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment to guarantee traceability and compliance with your internal specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong bases and oxidizing agents. Recommended storage temperature is between 15°C and 25°C. Keep container tightly sealed when not in use to minimize moisture absorption and degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20/D)	Contact for details
Density (20°C)	Contact for details

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