Description

3-Ethyl-3-Methylglutaric Anhydride is a high-purity cyclic anhydride building block of significant interest in advanced organic synthesis. Its value lies in its bifunctional reactivity, serving as a versatile precursor for the construction of complex molecular architectures, particularly in the pharmaceutical and specialty chemical sectors. This compound is essential for researchers and manufacturers developing active pharmaceutical ingredients (APIs), advanced polymers, and performance materials who require reliable, high-quality intermediates to ensure process consistency and final product integrity.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs), particularly for compounds requiring a glutaric acid-derived scaffold.
• Polymer Chemistry: Used as a monomer or cross-linking agent in the production of specialty polyesters, polyamides, and epoxy resins, imparting specific thermal and mechanical properties.
• Organic Synthesis Reagent: Serves as a versatile reagent for introducing the 3-ethyl-3-methylglutaroyl moiety into target molecules through reactions with nucleophiles like amines and alcohols.
• Agrochemical Synthesis: Employed in the research and development of advanced herbicides, fungicides, and plant growth regulators.
• Dye and Pigment Manufacturing: Acts as an intermediate in the synthesis of specialized colorants and functional dyes.
• Liquid Crystal & Electronic Materials: A potential precursor in the development of organic components for display technologies and electronic chemicals.

Basic Information

Product Name	3-Ethyl-3-Methylglutaric Anhydride
CAS No.	69706-57-6
Molecular Formula	C8H12O3
Molecular Weight	156.18 g/mol
Synonyms	3-Ethyl-3-methylpentanedioic anhydride; 3-Methyl-3-ethylglutaric anhydride; 3-Ethyl-3-methylglutaric acid anhydride; Glutaric anhydride, 3-ethyl-3-methyl-; 3-Ethyl-3-methyl-1,5-pentanedioic acid cyclic anhydride; 69706-57-6 (CAS); EMGA (abbreviation)
EINECS	Contact for details

Quality Control

Our 3-Ethyl-3-Methylglutaric Anhydride is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure it meets the highest standards of purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment and is available upon request to support your quality assurance and regulatory documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation by atmospheric moisture. Keep away from incompatible materials such as strong bases, strong oxidizing agents, and strong reducing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline solid or powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Melting Point	Contact for details

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