Description

Methyl 3-Ethoxy-2-Butenoate is a versatile ester derivative of acetoacetic acid, serving as a key building block in advanced organic synthesis. Its value lies in its bifunctional reactivity, featuring both an ester and an enol ether group, which makes it an excellent precursor for heterocyclic compounds and complex molecular frameworks. This high-purity intermediate is essential for research and development chemists in the pharmaceutical and agrochemical industries, where it is used to create active ingredients and novel chemical entities.

Application

• Pharmaceutical Intermediate: A crucial synthon for the production of various heterocyclic compounds, including pyrazoles and pyrimidines, which are core structures in many active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the manufacture of advanced pesticides and herbicides, leveraging its reactivity to construct complex molecular backbones.
• Fine Chemical Production: Serves as a versatile building block in the synthesis of flavors, fragrances, and specialty performance chemicals.
• Academic & Industrial R&D: Employed in research laboratories for method development and the exploration of new synthetic pathways in organic chemistry.
• Polymer Chemistry: Can act as a monomer or co-monomer in the synthesis of specialized polymers with tailored properties.

Basic Information

Product Name	Methyl 3-Ethoxy-2-Butenoate
CAS No.	85153-65-7
Molecular Formula	C7H12O3
Molecular Weight	144.17 g/mol
Synonyms	3-Ethoxy-2-butenoic Acid Methyl Ester; Methyl 3-Ethoxycrotonate; 3-Ethoxybut-2-enoic Acid Methyl Ester; Ethoxycrotonic Acid Methyl Ester; Methyl β-Ethoxycrotonate; Acetoacetic Acid Ethyl Methyl Ester (enol ether); 85153-65-7; Methyl 3-ethoxybut-2-enoate
EINECS	Contact for details

Quality Control

Our Methyl 3-Ethoxy-2-Butenoate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including GC/HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets the high standards required for synthetic applications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee traceability and consistency for your critical processes.

Storage

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

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Purity (HPLC)	≥ 97.5%
Water Content	≤ 0.5%
Refractive Index	1.430 - 1.435
Density	1.00 - 1.05 g/mL

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