Description

2,2-Dimethylsuccinic Anhydride is a versatile cyclic anhydride characterized by its two methyl substituents on the alpha carbon. This structural feature makes it a valuable building block in organic synthesis, offering unique steric and electronic properties for modifying polymer backbones and creating specialty compounds. It is primarily sought after by R&D chemists and process engineers in the pharmaceutical, agrochemical, and advanced materials sectors for developing novel products with tailored performance characteristics.

Application

• Pharmaceutical Intermediates: Serves as a key synthon in the production of active pharmaceutical ingredients (APIs), particularly for introducing the dimethylsuccinate moiety.
• Polymer Modification: Used as a comonomer or curing agent in epoxy, polyester, and alkyd resins to enhance flexibility, adhesion, and chemical resistance.
• Agrochemical Synthesis: Employed in the manufacture of herbicides, fungicides, and plant growth regulators requiring specific aliphatic anhydride functionalities.
• Liquid Crystal & OLED Materials: Acts as a precursor for diacids and diesters used in the synthesis of advanced electronic and display materials.
• Corrosion Inhibitors: Incorporated into formulations for metal surface treatments and coatings.
• Adhesives & Sealants: Functions as a cross-linking agent to improve the thermal and mechanical properties of high-performance adhesives.
• Laboratory Research: Utilized in academic and industrial R&D for method development and exploring new chemical entities.

Basic Information

Product Name	2,2-Dimethylsuccinic Anhydride
CAS No.	17347-61-4
Molecular Formula	C6H8O3
Molecular Weight	128.13 g/mol
Synonyms	2,2-Dimethylsuccinic anhydride; 3,3-Dimethylglutaric anhydride; 2,2-Dimethylbutanedioic anhydride; Dimethylsuccinic anhydride; NSC 66445; Tetramethylsuccinic anhydride (common misnomer); 2,2-Dimethyl-dihydro-furan-2,5-dione
EINECS	241-377-3

Quality Control

Our 2,2-Dimethylsuccinic Anhydride is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including assay by titration and impurity profile analysis via GC/HPLC, to ensure it meets precise specifications for purity and consistency. Certificates of Analysis (COA) documenting all critical parameters are available upon request to support your quality assurance and regulatory compliance 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). This product is hygroscopic (moisture-sensitive); ensure containers are kept sealed to prevent degradation from atmospheric moisture.

Specification

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

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