Description

2-Methylene-Pentanedioic Acid Dimethyl Ester is a high-purity diester derivative of glutaconic acid, serving as a versatile and reactive chemical intermediate. Its value lies in its unique α,β-unsaturated ester functionality, which enables critical carbon-carbon bond-forming reactions in advanced organic synthesis. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries seeking to build complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring functionalized glutaric acid derivatives.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators that incorporate the glutaconic acid backbone.
• Specialty Polymer Monomer: Acts as a monomer or co-monomer for creating polymers with specific functionalities, such as those used in coatings, adhesives, or biodegradable materials.
• Organic Synthesis Reagent: Employed in Michael addition reactions, Diels-Alder cycloadditions, and other transformations to introduce a reactive alkene and ester groups.
• Fine Chemical Production: Serves as a precursor for flavors, fragrances, and other high-value specialty chemicals.
• Cross-linking Agent: Utilized in formulations where its double bond can participate in cross-linking reactions to modify material properties.

Basic Information

Product Name	2-Methylene-Pentanedioic Acid Dimethyl Ester
CAS No.	5621-44-3
Molecular Formula	C8H12O4
Molecular Weight	172.18 g/mol
Synonyms	Dimethyl 2-Methyleneglutarate; Dimethyl Glutaconate; 2-Methyleneglutaric Acid Dimethyl Ester; Methyleneglutaric Acid Dimethyl Ester; Glutaconic Acid Dimethyl Ester; 2-Methylidenepentanedioic Acid Dimethyl Ester; Propanedioic Acid, 2-Methylene-, Dimethyl Ester
EINECS	227-052-9

Quality Control

Our 2-Methylene-Pentanedioic Acid Dimethyl Ester is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets the highest standards of purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, assay, and impurity profiles is provided with every shipment to guarantee traceability and compliance with your specifications.

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 oxidizing agents, strong bases, and sources of ignition.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 98.0%
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.