Description

Dichloromaleic Anhydride is a highly reactive chlorinated dicarboxylic acid anhydride, serving as a critical building block in advanced organic synthesis. Its unique structure makes it an essential precursor for creating complex molecules with tailored properties. This compound is particularly valuable for manufacturers in the agrochemical, pharmaceutical, and specialty polymer industries seeking to develop high-performance products.

Application

• Agrochemical Intermediates: Key precursor in the synthesis of advanced herbicides, fungicides, and plant growth regulators.
• Pharmaceutical Synthesis: Used as a versatile building block for active pharmaceutical ingredients (APIs) and complex heterocyclic compounds.
• Polymer & Resin Modifiers: Imparts flame retardancy and enhances thermal stability in specialty polymers, epoxy resins, and polyimides.
• Dyestuff & Pigment Manufacturing: Intermediate for producing high-value, light-fast organic pigments and dyes.
• Cross-linking Agent: Functions as a reactive cross-linker in coatings and adhesive formulations to improve durability.
• Chemical Research & Development: A valuable reagent in academic and industrial R&D for exploring novel synthetic pathways.

Basic Information

Product Name	Dichloromaleic Anhydride
CAS No.	1122-17-4
Molecular Formula	C4Cl2O3
Molecular Weight	166.94 g/mol
Synonyms	2,3-Dichloromaleic Anhydride; Dichloromaleic Acid Anhydride; 2,3-Dichloro-2-butenedioic Anhydride; 2,3-Dichloromaleic Anhydride; Dichloromaleic Anhydride; 2,3-Dichloromaleic Anhydride; Dichloromaleic Anhydride (DCMA)
EINECS	214-352-5

Quality Control

Our Dichloromaleic Anhydride is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets precise chemical and physical specifications. A detailed Certificate of Analysis (COA) documenting purity, identity, and impurity profiles is provided with every shipment to guarantee traceability and compliance for your critical applications.

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 should be handled in a dry atmosphere to prevent hydrolysis. Keep away from strong acids and organic solvents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	118°C - 122°C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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