Description

2-Methylene-4-Pentenoic Acid Methyl Ester is a versatile, unsaturated ester monomer that serves as a critical building block in advanced organic synthesis. Its unique structure, featuring both a methylene and a pentenoate group, makes it a valuable precursor for creating polymers with tailored properties and for synthesizing complex pharmaceutical intermediates. This high-purity chemical is essential for R&D chemists and production engineers in the pharmaceutical, agrochemical, and specialty polymer industries seeking to develop new materials and active compounds.

Application

• Pharmaceutical Intermediate: A key synthon in the production of active pharmaceutical ingredients (APIs), particularly for molecules requiring unsaturated ester functionalities.
• Specialty Polymer Monomer: Used in the synthesis of functional polymers, including adhesives, coatings, and elastomers, where it introduces cross-linking sites and modifies flexibility.
• Agrochemical Synthesis: Serves as a building block for creating novel herbicides, fungicides, and plant growth regulators.
• Fine Chemical Production: Employed in multi-step organic synthesis to construct complex molecular architectures for fragrances, flavors, and electronic chemicals.
• Cross-linking Agent: Utilized in resin and polymer formulations to enhance thermal stability and mechanical strength through its reactive double bonds.
• Academic & Industrial Research: A valuable reagent for exploring new organic reactions and catalytic processes in chemical R&D laboratories.

Basic Information

Product Name	2-Methylene-4-Pentenoic Acid Methyl Ester
CAS No.	51122-89-5
Molecular Formula	C7H10O2
Molecular Weight	126.15 g/mol
Synonyms	Methyl 2-Methylene-4-pentenoate; 4-Pentenoic acid, 2-methylene-, methyl ester; Methyl 2-methylenepent-4-enoate; 2-Methylenepent-4-enoic acid methyl ester; Methyl (methylene)pent-4-enoate
EINECS	Contact for details

Quality Control

Every batch of 2-Methylene-4-Pentenoic Acid Methyl Ester is manufactured and tested under a strict quality management system. We ensure high purity and consistency through advanced analytical techniques including GC and HPLC. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to guarantee it meets your specific 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). This material is easily oxidized and should be handled under an inert atmosphere such as nitrogen for long-term storage or after opening to maintain stability and purity. Keep away from heat, sparks, and open flame.

Specification

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