Description

Azobenzene-2-Sulfenyl Bromide is a specialized organosulfur brominating reagent featuring a photosensitive azobenzene scaffold. This compound matters for its role as a key intermediate in the synthesis of sulfur-containing heterocycles and as a reagent for selective sulfenylation and bromination reactions in advanced organic synthesis. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and materials science industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: Critical for the synthesis of novel drug candidates, particularly those containing thioether or disulfide linkages.
• Agrochemical Synthesis: Used in the production of herbicides and fungicides that require specific sulfur-bromine functional groups.
• Polymer & Material Science: Serves as a functional monomer or cross-linking agent for creating polymers with light-responsive or conductive properties.
• Organic Synthesis Reagent: Employed as a selective sulfenyl brominating agent for the functionalization of alkenes, alkynes, and aromatic compounds.
• Research & Development: A valuable tool in academic and industrial R&D for exploring new reaction methodologies and synthesizing complex heterocyclic compounds.
• Liquid Crystal & Dye Precursor: Acts as a building block for azobenzene-derived dyes and photo-switchable liquid crystal materials.

Basic Information

Product Name	Azobenzene-2-Sulfenyl Bromide
CAS No.	2849-62-9
Molecular Formula	C12H9BrN2S
Molecular Weight	293.18 g/mol
Synonyms	2-(Phenylazo)benzenesulfenyl bromide; (2-Phenylazophenyl)sulfenyl bromide; Azobenzene-2-sulfenyl bromide; Azobenzene-α-sulfenyl bromide; 1-Bromo-2-(phenylazo)benzenesulfane; EINECS 220-656-0
EINECS	220-656-0

Quality Control

Every batch of Azobenzene-2-Sulfenyl Bromide is produced and tested under strict quality management protocols to ensure consistency and reliability for your synthetic processes. Our products undergo rigorous quality testing to ensure compliance with industry standards. Certificates of Analysis (COA) are available upon request, detailing purity, identity, and impurity profiles.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its light-sensitive nature and propensity to be easily oxidized, it is recommended to store the material under an inert atmosphere (e.g., nitrogen or argon) for long-term stability. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Orange to red crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Melting Point	Contact for details
Heavy Metals	< 20 ppm
Residue on Ignition	< 0.1%
Solubility	Soluble in common organic solvents (e.g., DCM, THF, Acetone)

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