Description

Methylsuccinic Anhydride is a versatile cyclic anhydride derivative of succinic acid, featuring a methyl group that imparts distinct reactivity and physical properties. This compound is a valuable high-purity chemical intermediate for synthesizing specialty polymers, pharmaceuticals, and agrochemicals. It is essential for manufacturers and R&D laboratories in the pharmaceutical, polymer, and fine chemical sectors seeking to develop advanced materials and active ingredients.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs) and prodrugs.
• Polymer Chemistry: Monomer for producing specialty polyesters, polyamides, and alkyd resins with modified properties.
• Agrochemical Synthesis: Intermediate in the manufacture of herbicides, fungicides, and plant growth regulators.
• Epoxy Resin Curing Agent: Used as a hardener or curing agent to modify the flexibility and chemical resistance of epoxy systems.
• Organic Synthesis: Reagent for introducing the methylsuccinyl moiety into complex molecules for research and development.
• Surface Coatings: Component in high-performance coatings to enhance durability and adhesion.
• Adhesive Formulations: Used to improve the performance and curing characteristics of industrial adhesives.

Basic Information

Product Name	Methylsuccinic Anhydride
CAS No.	4100-80-5
Molecular Formula	C5H6O3
Molecular Weight	114.10 g/mol
Synonyms	2-Methylsuccinic Anhydride; 3-Methyloxolane-2,5-dione; Methylsuccinic acid anhydride; 2-Methylbutanedioic anhydride; (±)-2-Methylsuccinic anhydride; DL-2-Methylsuccinic anhydride; 2-Methyl-dihydro-2,5-furandione
EINECS	223-884-0

Quality Control

Our Methylsuccinic Anhydride is produced under a stringent quality management system. Every batch undergoes rigorous analytical testing, including HPLC and GC analysis, to ensure high purity and consistency. Certificates of Analysis (COA) documenting identity, assay, and impurity profiles are available for all shipments. We adhere to cGMP principles where applicable to support our customers in regulated industries.

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); containers must be kept tightly sealed to prevent degradation from atmospheric moisture. Keep away from strong bases and oxidizing agents.

Specification

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

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