Description

Diethyl Isobutylmalonate is a high-purity diester compound, CAS NO 10203-58-4, valued as a versatile building block in advanced organic synthesis. Its structure makes it a critical intermediate for constructing complex molecules, offering excellent reactivity and selectivity. This product is essential for manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries seeking reliable, high-quality raw materials for their production processes.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds with complex carboxylic acid derivatives.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and plant growth regulators requiring specific malonate ester frameworks.
• Fine Chemical Production: Serves as a precursor for flavors, fragrances, and other specialty organic compounds where the isobutyl group imparts specific physical properties.
• Polymer Chemistry: Acts as a monomer or cross-linking agent in the development of specialized polymers and resins.
• Chemical Research & Development: Employed in academic and industrial R&D labs for method development and the creation of novel molecular structures.
• Coordination Chemistry: Can be used to synthesize ligands for metal complexes in catalytic applications.

Basic Information

Product Name	Diethyl Isobutylmalonate
CAS No.	10203-58-4
Molecular Formula	C11H20O4
Molecular Weight	216.27 g/mol
Synonyms	Diethyl 2-isobutylmalonate; Isobutylmalonic Acid Diethyl Ester; Diethyl Isobutylpropanedioate; Diethyl (2-Methylpropyl)malonate; Propanedioic acid, 2-(2-methylpropyl)-, diethyl ester; Ethyl Isobutylmalonate; Diethyl isobutylmalonate
EINECS	233-517-6

Quality Control

Our Diethyl Isobutylmalonate is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including GC, HPLC, and NMR, to ensure identity, purity, and consistency. We provide full traceability and detailed Certificates of Analysis (COA) with each shipment, confirming compliance with agreed specifications and supporting 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 (typically 15-25°C). Keep away from heat, sparks, and open flame. The container should be kept tightly closed when not in use to minimize moisture absorption and prevent contamination.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.420 - 1.425
Density (20°C)	0.980 - 1.010 g/mL

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