Description

4-(Diethoxyphosphinyl)-2-Butenoic Acid Methyl Ester is a high-purity organophosphorus compound that serves as a versatile synthetic intermediate. Its value lies in its unique molecular structure, which combines a phosphonate ester group with an α,β-unsaturated ester, making it a key building block for complex organic synthesis. This product is essential for researchers and manufacturers in the agrochemical and pharmaceutical industries, where it is used to construct novel active ingredients and fine chemicals.

Application

• Agrochemical Synthesis: A critical precursor in the production of advanced insecticides, herbicides, and fungicides, particularly those containing phosphonate or vinylogous ester functionalities.
• Pharmaceutical Intermediates: Used in the research and development of active pharmaceutical ingredients (APIs), especially in constructing complex molecular scaffolds via Horner-Wadsworth-Emmons (HWE) olefination reactions.
• Fine Chemical Manufacturing: Employed as a specialized building block for synthesizing complex organic molecules, flavors, fragrances, and functional materials.
• Polymer Chemistry: Acts as a monomer or cross-linking agent in the development of specialty polymers with tailored properties.
• Chemical Research & Development: A valuable reagent in academic and industrial R&D labs for exploring new synthetic pathways and creating novel chemical entities.

Basic Information

Product Name	4-(Diethoxyphosphinyl)-2-Butenoic Acid Methyl Ester
CAS No.	24676-98-0
Molecular Formula	C9H17O5P
Molecular Weight	236.20 g/mol
Synonyms	Methyl 4-(Diethoxyphosphoryl)-2-butenoate; Diethyl (2-Methoxy-2-oxoethyl)vinylphosphonate; (2-Methoxy-2-oxoethyl)vinylphosphonic Acid Diethyl Ester; Diethyl Vinylphosphonoacetate; Methyl (Diethoxyphosphinyl)but-2-enoate; Phosphonoacetic Acid, Vinyl-, Diethyl Ester, Methyl Ester; (Carboxymethyl)vinylphosphonic Acid Diethyl Ester Methyl Ester
EINECS	Contact for details

Quality Control

Our production of 4-(Diethoxyphosphinyl)-2-Butenoic Acid Methyl Ester adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including chromatography (HPLC/GC) and spectroscopy (NMR, IR), to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided with each shipment to guarantee compliance with your 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). Keep away from heat, sparks, and open flame. This material is moisture-sensitive; ensure containers are kept tightly sealed to prevent degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 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.