Description

Diethyl Isobutylidenemalonate is a versatile malonate ester derivative widely used as a key synthetic building block in organic chemistry. Its value lies in its reactive methylene group and ester functionalities, enabling its use in cyclization and condensation reactions to construct complex molecular frameworks. This high-purity intermediate is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and fine chemical industries seeking to develop new active compounds and advanced materials.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of various heterocyclic compounds and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and plant growth regulators.
• Fine Chemical Production: Serves as a building block for dyes, pigments, and specialty polymers.
• Organic Synthesis Research: Employed in academic and industrial R&D for Knoevenagel condensations and Michael addition reactions.
• Flavor and Fragrance Industry: Acts as an intermediate for synthesizing specific aroma chemicals.
• Material Science: Utilized in the development of novel organic electronic materials and monomers.

Basic Information

Product Name	Diethyl Isobutylidenemalonate
CAS No.	5652-68-6
Molecular Formula	C11H18O4
Molecular Weight	214.26 g/mol
Synonyms	Diethyl 2-(2-Methylpropylidene)malonate; Diethyl (2-Methylpropylidene)propanedioate; Isobutylidenemalonic Acid Diethyl Ester; Propanedioic acid, (2-methylpropylidene)-, diethyl ester; Diethyl isobutylidenepropanedioate; 2-(2-Methylpropylidene)malonic Acid Diethyl Ester
EINECS	227-100-3

Quality Control

Our Diethyl Isobutylidenemalonate is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including chromatographic purity analysis and identity confirmation, to ensure it meets the high standards required for synthetic applications. A detailed Certificate of Analysis (COA) is provided with each shipment, guaranteeing traceability and consistent quality for your critical processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area away from incompatible materials such as strong bases and oxidizing agents. Recommended storage temperature is between 15°C and 25°C. Keep container tightly sealed when not in use to prevent moisture absorption.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.440 - 1.450
Density (g/mL at 20°C)	1.010 - 1.030

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