Description

1-Bromo-4-(Ethylsulfonyl)Benzene is a high-purity organic building block characterized by its bromine and ethylsulfonyl functional groups. This compound is valued for its role as a versatile intermediate in advanced synthetic chemistry, enabling the construction of complex molecular architectures. It is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries who require reliable, high-quality intermediates for drug discovery and material science applications.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for molecules containing aryl sulfone or aryl bromide motifs.
• Agrochemical Synthesis: Used in the research and production of novel herbicides, fungicides, and insecticides where the ethylsulfonylbenzene structure is required.
• Material Science Research: Serves as a precursor for the development of advanced polymers, liquid crystals, and organic electronic materials.
• Cross-Coupling Reactions: The bromine atom makes it a suitable substrate for palladium-catalyzed reactions like Suzuki, Heck, and Sonogashira couplings to form biaryl structures.
• Chemical Research & Development: Employed in academic and industrial R&D labs for exploring new synthetic pathways and creating novel chemical entities.
• Dye and Pigment Intermediate: Can be utilized in the synthesis of specialized dyes and organic pigments.

Basic Information

Product Name	1-Bromo-4-(Ethylsulfonyl)Benzene
CAS No.	26732-20-7
Molecular Formula	C8H9BrO2S
Molecular Weight	249.13 g/mol
Synonyms	4-Bromophenyl Ethyl Sulfone; p-Bromophenyl Ethyl Sulfone; 1-Bromo-4-(Ethanesulfonyl)Benzene; Ethanesulfonyl-4-bromobenzene; (4-Bromophenyl)(ethyl)sulfone; NSC 403119; Benzene, 1-bromo-4-(ethylsulfonyl)-
EINECS	Contact for details

Quality Control

Our 1-Bromo-4-(Ethylsulfonyl)Benzene is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high chemical purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). Keep away from heat, sparks, and open flame. The compound is light-sensitive and should be stored away from light to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥98.0%
Melting Point	Contact for details
Loss on Drying	≤0.5%
Heavy Metals	≤20 ppm

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