Description

3-(Diethoxyphosphinyloxy)-2-Butenoic Acid Ethyl Ester is a specialized organophosphorus compound that serves as a critical synthetic intermediate. Its unique structure, featuring both a phosphonate and an α,β-unsaturated ester moiety, makes it a valuable building block for constructing complex molecules. This compound is primarily sought after by research and development chemists and process engineers in the agrochemical and pharmaceutical industries for the synthesis of novel active ingredients and fine chemicals.

Application

• Agrochemical Intermediate: Key precursor in the synthesis of novel insecticides, herbicides, and fungicides, particularly those with phosphonate or vinylogous ester functionalities.
• Pharmaceutical Synthesis: Used as a versatile building block for creating complex drug candidates, especially in medicinal chemistry programs targeting enzyme inhibitors.
• Chemical Research (R&D): Employed in academic and industrial laboratories for developing new synthetic methodologies, such as Horner-Wadsworth-Emmons (HWE) olefination reactions.
• Fine Chemical Production: Serves as an intermediate in the manufacture of specialty chemicals, flavors, and fragrances requiring specific chiral or structural elements.
• Material Science: Potential monomer or cross-linking agent in the development of advanced polymeric materials with specific properties.

Basic Information

Product Name	3-(Diethoxyphosphinyloxy)-2-Butenoic Acid Ethyl Ester
CAS No.	5675-57-0
Molecular Formula	C10H19O6P
Molecular Weight	266.23 g/mol
Synonyms	Diethyl (1-Ethoxycarbonyl-1-propen-2-yl)phosphonate; Ethyl 3-(Diethoxyphosphoryloxy)but-2-enoate; (1-Ethoxycarbonyl-1-propen-2-yl)phosphonic Acid Diethyl Ester; Diethyl (1-Ethoxycarbonylprop-1-en-2-yl)phosphonate; 2-Butenoic Acid, 3-(Diethoxyphosphinyloxy)-, Ethyl Ester; Diethyl 1-Ethoxycarbonyl-1-propen-2-ylphosphonate; Phosphonic Acid, (1-Ethoxycarbonyl-1-propen-2-yl)-, Diethyl Ester
EINECS	227-123-7

Quality Control

Our production of 3-(Diethoxyphosphinyloxy)-2-Butenoic Acid Ethyl Ester adheres to stringent internal quality standards to ensure batch-to-batch consistency and reliability for your synthetic processes. Every lot is analyzed using advanced techniques including GC, HPLC, and NMR spectroscopy. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to support your quality assurance protocols.

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). Keep away from strong bases and incompatible materials such as strong oxidizing agents. The container should be kept tightly sealed to prevent moisture absorption and decomposition.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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