Description

n-Chlorosuccinimide CAS NO 128-09-6 is a versatile and highly reactive N-haloimide compound widely used as a selective chlorinating and oxidizing agent in organic synthesis. Its primary value lies in enabling efficient, controlled reactions for the introduction of chlorine atoms or the oxidation of specific functional groups under mild conditions. This reagent is essential for research and production chemists in the pharmaceutical, agrochemical, and fine chemical industries, where it facilitates the synthesis of complex intermediates and active ingredients.

Application

• Pharmaceutical Intermediate Synthesis: Key reagent for chlorination and oxidation steps in the production of active pharmaceutical ingredients (APIs).
• Agrochemical Manufacturing: Used in the synthesis of herbicide and pesticide intermediates.
• Fine Chemical Production: Employed in the preparation of dyes, pigments, and specialty chemicals requiring selective halogenation.
• Polymer Chemistry: Acts as a chlorinating agent for modifying polymers and resins.
• Research & Development: A staple reagent in organic chemistry labs for method development and novel compound synthesis.
• Oxidation Reactions: Utilized for the oxidation of alcohols to carbonyl compounds and sulfides to sulfoxides/sulfones.

Basic Information

Item	Detail
Product Name	n-Chlorosuccinimide
CAS No.	128-09-6
Molecular Formula	C4H4ClNO2
Molecular Weight	133.53 g/mol
Synonyms	N-Chlorosuccinimide; Chlorosuccinimide; 1-Chloro-2,5-pyrrolidinedione; Succinchlorimide; NCS; NSC 403697; NSC 8081
EINECS	204-878-8

Quality Control

Our n-Chlorosuccinimide is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure it meets high-purity standards suitable for synthetic applications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with each shipment to guarantee traceability and consistency for your critical processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and should be handled in a dry atmosphere to prevent decomposition. For long-term storage, consider using desiccants.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	148 - 152 °C
Loss on Drying	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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