Description

3,4-Dichloromaleinimide is a versatile and highly reactive heterocyclic building block used in advanced organic synthesis. Its value lies in its dual functionality as a dienophile and an electrophile, enabling the construction of complex molecular architectures. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and materials science industries developing novel active ingredients and functional polymers.

Application

• Pharmaceutical Intermediate: Key synthon for the development of novel drug candidates, particularly in the synthesis of fused heterocycles with potential biological activity.
• Agrochemical Synthesis: Used in the production of advanced pesticides and herbicides, where its chlorinated imide structure contributes to product efficacy.
• Polymer Chemistry: Serves as a cross-linking agent or monomer in the synthesis of specialty polymers, including polyimides and heat-resistant resins.
• Diels-Alder Reactions: Acts as a highly reactive dienophile in cycloaddition reactions to form complex, multi-ring systems.
• Material Science Research: Employed in the development of organic electronic materials, dyes, and pigments due to its electron-accepting properties.
• Chemical Biology Probes: Utilized for bioconjugation and labeling of biomolecules, leveraging its selective reactivity with thiols and amines.

Basic Information

Product Name	3,4-Dichloromaleinimide
CAS No.	1193-54-0
Molecular Formula	C4HCl2NO2
Molecular Weight	177.96 g/mol
Synonyms	3,4-Dichloromaleimide; 3,4-Dichloro-1H-pyrrole-2,5-dione; 2,5-Dichloromaleimide; 3,4-Dichloro-2,5-pyrroledione; 3,4-Dichloromaleic imide; Dichloromaleinimide; 1H-Pyrrole-2,5-dione, 3,4-dichloro-; NSC 403697
EINECS	214-778-5

Quality Control

Our 3,4-Dichloromaleinimide is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation by IR and NMR spectroscopy, to ensure it meets the high standards required for research and industrial synthesis. A detailed Certificate of Analysis (COA) is provided with every shipment, guaranteeing traceability and consistent quality.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from strong bases and reducing agents.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	158 - 162 °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.