Description

3-Methylbutylidenemalonic Acid Dimethyl Ester is a versatile malonic acid derivative ester, serving as a key synthetic intermediate in advanced organic chemistry. Its value lies in its reactive diene structure, which is pivotal for Diels-Alder and other cycloaddition reactions to construct complex molecular frameworks. This compound is essential for R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries seeking to build novel heterocyclic or carbocyclic systems.

Application

• Pharmaceutical Intermediate: A crucial building block for synthesizing active pharmaceutical ingredients (APIs) and complex heterocyclic compounds via cycloaddition chemistry.
• Agrochemical Synthesis: Used in the research and production of novel pesticides and herbicides, leveraging its reactivity to create specific bioactive ring structures.
• Material Science Research: Acts as a monomer or precursor in the development of specialty polymers and advanced organic materials with tailored properties.
• Fine Chemical Production: Employed in the synthesis of flavors, fragrances, and other high-value specialty chemicals requiring precise molecular architecture.
• Academic & Industrial R&D: A valuable reagent for methodological development in organic synthesis, particularly in studies involving dienophiles and pericyclic reactions.

Basic Information

Product Name	3-Methylbutylidenemalonic Acid Dimethyl Ester
CAS No.	53618-21-6
Molecular Formula	C11H16O4
Molecular Weight	212.24 g/mol
Synonyms	Dimethyl 3-Methylbutylidenemalonate; 2-(3-Methylbutylidene)malonic Acid Dimethyl Ester; Propenylmalonic Acid Dimethyl Ester (related); Isopentenylmalonic Acid Dimethyl Ester; Dimethyl (3-Methylbutylidene)malonate; 53618-21-6; Malonic acid, (3-methylbutylidene)-, dimethyl ester
EINECS	Contact for details

Quality Control

Our 3-Methylbutylidenemalonic Acid Dimethyl Ester is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chromatography (HPLC/GC) and spectroscopic methods (NMR, IR), to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical parameters are available upon request, supporting your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong bases and incompatible materials such as strong oxidizing agents. For long-term storage, consider under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
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.