Description

3-(Dimethoxyphosphinyloxy)-2-Butenoic Acid α-Ethylbenzyl Ester is a specialized organophosphorus compound with a unique molecular structure that combines ester and phosphonate functionalities. This chemical is valued for its role as a key intermediate in the synthesis of advanced agrochemicals and pharmaceuticals, where it contributes to the development of active ingredients with specific biological activities. It is primarily sought by research and development chemists, process engineers, and manufacturers in the agrochemical and fine chemical sectors who require high-purity, structurally complex building blocks for innovative synthesis.

Application

• Agrochemical Intermediate: A critical building block in the synthesis of novel insecticides, herbicides, and fungicides, particularly those targeting specific enzymatic pathways.
• Pharmaceutical Research: Serves as a versatile synthon in medicinal chemistry for developing potential drug candidates, especially in programs focused on protease or esterase inhibitors.
• Chemical Synthesis: Used in organic synthesis as a phosphorylating agent or to introduce the α-ethylbenzyl ester moiety into more complex molecular architectures.
• Material Science Precursor: Investigated for the development of specialty polymers or functional materials where the phosphonate group can impart flame retardancy or metal-chelating properties.

Basic Information

Product Name	3-(Dimethoxyphosphinyloxy)-2-Butenoic Acid α-Ethylbenzyl Ester
CAS No.	17747-24-9
Molecular Formula	C15H21O6P
Molecular Weight	328.30 g/mol
Synonyms	α-Ethylbenzyl 3-(dimethoxyphosphinyloxy)but-2-enoate; 2-Butenoic acid, 3-(dimethoxyphosphinyloxy)-, α-ethylbenzyl ester; (E/Z)-3-(Dimethoxyphosphoryloxy)but-2-enoic acid 1-phenylethyl ester; Phosphonic acid, P-(3-((1-ethoxycarbonyl-1-propen-2-yl)oxy)-, dimethyl ester; (1-Phenylethyl) 3-(dimethoxyphosphoryloxy)but-2-enoate
EINECS	Contact for details

Quality Control

Our production of 3-(Dimethoxyphosphinyloxy)-2-Butenoic Acid α-Ethylbenzyl Ester adheres to stringent in-process controls and final batch analysis to ensure consistency and high purity. Every lot is supported by a comprehensive Certificate of Analysis (COA) detailing key parameters such as assay, isomeric purity, and impurity profiles. We maintain a robust quality management system to meet the exacting standards required for advanced chemical synthesis and regulatory compliance in target industries.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from strong acids and incompatible organic solvents. The container must be kept tightly sealed to prevent moisture absorption and potential decomposition.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Isomeric Purity (GC/HPLC)	≥ 95.0% (E/Z ratio as specified)
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.