Description

Diisobutylmalonic Acid Diethyl Ester is a high-purity diester compound, primarily utilized as a versatile synthetic intermediate in advanced organic synthesis. Its value lies in its role as a key building block for constructing complex molecular architectures, particularly in the development of pharmaceuticals and fine chemicals. This product is essential for R&D chemists and process engineers in the pharmaceutical, agrochemical, and specialty chemical industries seeking reliable and high-quality intermediates for scale-up and production.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of active pharmaceutical ingredients (APIs), especially for compounds requiring specific branched alkyl chain motifs.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and plant growth regulators where its malonate structure enables diverse chemical modifications.
• Fine Chemical Production: Serves as a building block for flavors, fragrances, and other high-value specialty chemicals.
• Polymer Chemistry: Acts as a monomer or chain modifier in the synthesis of specialized polymers and resins.
• Organic Synthesis Reagent: Employed in classic malonic ester synthesis reactions for the introduction of diisobutyl groups and subsequent decarboxylation to form substituted acetic acid derivatives.
• Ligand and Catalyst Development: Useful in the research and development of novel ligands for metal-catalyzed reactions.

Basic Information

Product Name	Diisobutylmalonic Acid Diethyl Ester
CAS No.	81749-14-6
Molecular Formula	C16H30O4
Molecular Weight	286.41 g/mol
Synonyms	Diethyl Diisobutylmalonate; Diisobutylmalonic Acid Diethyl Ester; Diethyl 2,2-Diisobutylmalonate; Malonic Acid, Diisobutyl-, Diethyl Ester; Diisobutylmalonate Diethyl Ester; 2,2-Bis(2-methylpropyl)propanedioic Acid Diethyl Ester; Diethyl Diisobutylpropanedioate
EINECS	Contact for details

Quality Control

Our Diisobutylmalonic Acid Diethyl 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 exacting specifications for use in sensitive synthetic applications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with each shipment to guarantee traceability and consistency.

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.

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)	1.430 - 1.434
Density (20°C)	0.950 - 0.970 g/mL

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