Description

N-Bromosuccinimide CAS NO 128-08-5 is a versatile and highly effective brominating and oxidizing agent widely used in organic synthesis. Its selective reactivity makes it a critical reagent for introducing bromine atoms into complex molecules under mild conditions. This compound is essential for research chemists and process engineers in the pharmaceutical, agrochemical, and specialty chemical industries, enabling key transformations in the development of active ingredients and advanced materials.

Application

• Pharmaceutical Synthesis: Key intermediate in the production of active pharmaceutical ingredients (APIs), particularly for allylic and benzylic bromination reactions.
• Agrochemical Manufacturing: Used in the synthesis of herbicides, fungicides, and other crop protection agents requiring selective bromination.
• Organic Synthesis & Research: A staple reagent in laboratories for Hofmann degradation, oxidation of alcohols to carbonyls, and radical bromination reactions.
• Polymer Chemistry: Employed as a brominating agent to modify polymers and as an initiator or regulator in certain polymerization processes.
• Fine Chemical Production: Facilitates the synthesis of dyes, fragrances, and other specialty chemicals where precise bromine incorporation is required.

Basic Information

Product Name	N-Bromosuccinimide
CAS No.	128-08-5
Molecular Formula	C4H4BrNO2
Molecular Weight	177.98 g/mol
Synonyms	NBS; 1-Bromo-2,5-pyrrolidinedione; Succinimide, N-bromo-; Bromosuccinimide; NSC 41615; N-Bromo succinimide; N-Bromosuccinimide (NBS); 1-Bromopyrrolidine-2,5-dione
EINECS	204-877-2

Quality Control

Our N-Bromosuccinimide is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including assay, purity profiling, and impurity screening, to ensure it meets the high standards required for synthetic applications. A comprehensive Certificate of Analysis (COA) detailing all test results 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, well-ventilated place at room temperature (15-25°C). Due to its nature as an easily oxidized compound, it is recommended to store under an inert atmosphere for long-term stability. Keep away from heat, sparks, open flames, and incompatible materials such as strong reducing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0 %
Melting Point	173 - 178 °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.