Description

Diethyl 2-(3-Methylbutylidene)Propanedioate is a specialized diester compound with a reactive methylene group flanked by carbonyls, making it a valuable intermediate in organic synthesis. This compound matters for its role as a versatile building block in the production of fine chemicals and active pharmaceutical ingredients (APIs), where its structure allows for further functionalization. It is primarily needed by research and development chemists, process development scientists, and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries seeking to create complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of complex drug molecules, particularly those requiring the introduction of specific carbon chains or heterocyclic systems.
• Agrochemical Synthesis: Used in the production of advanced pesticides and herbicides, where its reactive sites enable the construction of targeted bioactive compounds.
• Fine Chemical Manufacturing: Serves as a crucial building block for creating flavors, fragrances, and other high-value specialty chemicals.
• Organic Synthesis Research: Employed in academic and industrial R&D labs for Michael addition reactions, Knoevenagel condensations, and other carbon-carbon bond-forming processes.
• Polymer Modifier: Can be utilized to introduce specific functional groups into polymer backbones, altering material properties for specialized applications.

Basic Information

Item	Details
Product Name	Diethyl 2-(3-Methylbutylidene)Propanedioate
CAS No.	51615-30-6
Molecular Formula	C12H20O4
Molecular Weight	228.29 g/mol
Synonyms	Diethyl (3-methylbutylidene)malonate; Diethyl 2-(3-Methylbutylidene)malonate; Propanedioic acid, 2-(3-methylbutylidene)-, diethyl ester; 3-Methylbutylidenemalonic acid diethyl ester; Diethyl isopentylidenemalonate; Isopentylidenemalonic acid diethyl ester; Diethyl 2-isopentylidenemalonate
EINECS	Contact for details

Quality Control

Our Diethyl 2-(3-Methylbutylidene)Propanedioate is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes rigorous analytical testing, including chromatographic purity assays and identity confirmation. Certificates of Analysis (COA) detailing specific results for purity, identity, and related substances are available upon request to support your quality assurance protocols.

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. The container should be kept tightly sealed to prevent moisture absorption and potential degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Related Substances (GC/HPLC)	Total impurities ≤ 3.0%

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