Description

3,3-Dimethylpentanedioic Acid Diethyl Ester is a high-purity diester compound valued for its role as a versatile chemical intermediate and building block in advanced organic synthesis. Its unique structure, featuring a gem-dimethyl substituted glutaric acid backbone, makes it particularly useful for introducing sterically hindered diacid functionalities. This product is essential for research and development chemists and process engineers in the pharmaceutical, agrochemical, and specialty polymer industries seeking to develop novel compounds with tailored properties.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for creating molecules with specific steric and conformational properties.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators where its diethyl ester group facilitates further chemical modifications.
• Polymer & Resin Modifier: Serves as a monomer or cross-linking agent in the production of specialty polyesters, polyamides, and coatings to enhance flexibility, weathering resistance, or other mechanical properties.
• Flavor & Fragrance Industry: Acts as a precursor for the synthesis of esters and lactones that contribute to complex aroma and flavor profiles.
• Organic Synthesis Reagent: Employed in Dieckmann condensations and other cyclization reactions to construct carbocyclic and heterocyclic ring systems.
• Ligand & Catalyst Development: Useful in the preparation of novel chelating ligands for metal catalysts used in asymmetric synthesis and polymerization processes.

Basic Information

Product Name	3,3-Dimethylpentanedioic Acid Diethyl Ester
CAS No.	17804-59-0
Molecular Formula	C11H20O4
Molecular Weight	216.27 g/mol
Synonyms	Diethyl 3,3-Dimethylglutarate; 3,3-Dimethylglutaric Acid Diethyl Ester; Diethyl 3,3-Dimethylpentanedioate; Ethyl 3,3-Dimethylglutarate; Glutaric acid, 3,3-dimethyl-, diethyl ester; NSC 66484
EINECS	241-787-9

Quality Control

Our 3,3-Dimethylpentanedioic Acid Diethyl Ester is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including chromatography (GC/HPLC) and spectroscopic methods, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all specified parameters. Our quality commitment supports applications requiring high standards, including cGMP intermediates for pharmaceutical development.

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 heat, sparks, and open flame. The product is stable under recommended storage conditions.

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)	1.425 - 1.435
Density (g/mL, 20°C)	1.010 - 1.030

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