Description

Citraconic Anhydride is a versatile, high-purity organic intermediate with significant industrial utility. Its reactive anhydride functionality makes it a valuable building block for synthesizing polymers, resins, and fine chemicals, offering manufacturers a pathway to enhance product performance. This compound is particularly essential for producers in the polymer, agrochemical, and pharmaceutical sectors seeking to develop advanced materials and active ingredients.

Application

• Polymer Modification & Crosslinking Agent: Used in the production of alkyd and polyester resins to improve hardness, chemical resistance, and curing properties.
• Pharmaceutical Intermediate: Serves as a key synthon in the synthesis of various active pharmaceutical ingredients (APIs) and drug candidates.
• Agrochemical Synthesis: Employed in the manufacture of herbicides, fungicides, and plant growth regulators.
• Epoxy Resin Curing Agent: Acts as a reactive hardener, contributing to the thermal stability and mechanical strength of cured epoxy systems.
• Organic Synthesis Reagent: Utilized in Diels-Alder reactions and as a precursor for citraconimide derivatives and other specialty chemicals.
• Surface Coating Formulations: Incorporated into coatings to enhance adhesion, durability, and weatherability.

Basic Information

Product Name	Citraconic Anhydride
CAS No.	616-02-4
Molecular Formula	C5H4O3
Molecular Weight	112.08 g/mol
Synonyms	2-Methylmaleic Anhydride; Methylmaleic Anhydride; Citraconic Acid Anhydride; 3-Methyl-2,5-furandione; 2-Methyl-2-butenedioic Anhydride
EINECS	210-465-2

Quality Control

Our Citraconic Anhydride is manufactured under a stringent quality management system to ensure batch-to-batch consistency and reliability. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, purity, and impurity profiles. Our quality commitment aligns with cGMP principles where applicable, supporting its use 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.

Specification

Item	Specification
Appearance	White to off-white crystalline solid
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Melting Point	7 - 9 °C
Water Content (KF)	≤ 0.5%

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