Description

Isobutylidenemalonic Acid Dimethyl Ester is a versatile chemical intermediate prized for its reactive diene and ester functionalities. This compound is essential for synthesizing complex molecules through Diels-Alder and other condensation reactions, enabling the production of fine chemicals and active pharmaceutical ingredients. It is a critical raw material for research and industrial-scale manufacturing in the pharmaceutical, agrochemical, and specialty chemical sectors.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs) and complex heterocyclic compounds.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and plant growth regulators.
• Fine Chemical Production: Serves as a precursor for flavors, fragrances, and other high-value specialty chemicals.
• Polymer & Material Science: Acts as a monomer or cross-linking agent in the development of specialty polymers and advanced materials.
• Organic Synthesis & Research: A valuable reagent in academic and industrial R&D for constructing carbon frameworks via cycloaddition reactions.
• Dye & Pigment Manufacturing: Intermediate in the synthesis of complex organic dyes and colorants.

Basic Information

Product Name	Isobutylidenemalonic Acid Dimethyl Ester
CAS No.	36825-11-3
Molecular Formula	C9H14O4
Molecular Weight	186.21 g/mol
Synonyms	Dimethyl 2-(2-Methylpropylidene)malonate; Dimethyl Isopropylidenemalonate; 2-(2-Methylpropylidene)malonic Acid Dimethyl Ester; Propanedioic acid, 2-(2-methylpropylidene)-, 1,3-dimethyl ester; Isobutylidenemalonic Acid Dimethyl Ester; Isopropylidenemalonic Acid Dimethyl Ester
EINECS	253-218-3

Quality Control

Our Isobutylidenemalonic Acid Dimethyl Ester is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including GC/HPLC for purity and identity confirmation (IR, NMR), to ensure it meets the high standards required for industrial and research applications. Certificates of Analysis (COA) are provided with each shipment, and we can support compliance with relevant regulatory frameworks upon request.

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. 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
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.440 - 1.450
Density (20°C)	1.05 - 1.10 g/mL

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