Description

Chloromaleic Acid Anhydride is a versatile and highly reactive organic intermediate, primarily valued for its ability to introduce both a reactive anhydride and a chlorine functionality into target molecules. This compound is essential for the synthesis of specialized polymers, agrochemicals, and fine chemicals, enabling the creation of materials with tailored properties. It is a critical raw material for R&D and production in the pharmaceutical, agrochemical, and advanced polymer industries.

Application

• Polymer Modification: Key monomer for synthesizing specialty polymers, resins, and coatings with enhanced thermal stability, adhesion, or chemical resistance.
• Agrochemical Synthesis: Intermediate in the production of herbicides, fungicides, and plant growth regulators.
• Pharmaceutical Intermediates: Building block for the synthesis of active pharmaceutical ingredients (APIs) and other bioactive molecules.
• Crosslinking Agent: Used in epoxy and other thermosetting resin systems to improve mechanical properties and crosslink density.
• Dye and Pigment Manufacturing: Serves as a precursor in the synthesis of complex organic dyes and pigments.
• Organic Synthesis Reagent: Employed in Diels-Alder reactions and other cycloadditions to construct complex heterocyclic compounds.
• Surface Treatment: Used to modify surface properties of materials for improved compatibility or functionality.

Basic Information

Product Name	Chloromaleic Acid Anhydride
CAS No.	96-02-6
Molecular Formula	C4HClO3
Molecular Weight	132.50 g/mol
Synonyms	2-Chloromaleic Anhydride; 3-Chloro-2,5-furandione; Chloromaleic Anhydride; 2-Chloro-2-butenedioic Anhydride; 3-Chloromaleic Anhydride; Maleic Anhydride, 2-chloro-; NSC 403697
EINECS	202-471-8

Quality Control

Our Chloromaleic Acid Anhydride is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure it meets high-purity standards and consistent performance for industrial and research applications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to guarantee traceability and compliance.

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) and light-sensitive; containers must be kept tightly sealed to prevent degradation from atmospheric moisture and light exposure.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	29 - 33 °C
Water Content (KF)	≤ 0.5%

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