Description

Benzenesulfonamide, 3-Ethyl- (9Ci) CAS NO 99-46-7 is a specialized organic sulfonamide derivative characterized by an ethyl substituent on the benzene ring. This compound serves as a versatile and valuable chemical intermediate and building block in advanced organic synthesis. It is primarily required by industries involved in the research and production of pharmaceuticals, agrochemicals, and functional materials.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring a sulfonamide pharmacophore.
• Agrochemical Synthesis: Used in the development of herbicides, fungicides, and plant growth regulators where the sulfonamide group confers specific biological activity.
• Dye and Pigment Manufacturing: Acts as an intermediate in the production of specialty dyes and colorants.
• Polymer Modification: Employed as a monomer or additive to impart specific properties like solubility or thermal stability to polymers.
• Chemical Research & Development: Serves as a standard or starting material in organic chemistry research for novel compound libraries.
• Lubricant and Fuel Additive Component: Used in the formulation of specialty additives where its structure contributes to performance characteristics.

Basic Information

Product Name	Benzenesulfonamide, 3-Ethyl- (9Ci)
CAS No.	99-46-7
Molecular Formula	C8H11NO2S
Molecular Weight	185.24 g/mol
Synonyms	3-Ethylbenzenesulfonamide; m-Ethylbenzenesulfonamide; 3-Ethylbenzene-1-sulfonamide; 1-Ethyl-3-sulfamoylbenzene; NSC 403697; Benzenesulfonamide, m-ethyl-; Ethylbenzenesulfonamide
EINECS	202-758-6

Quality Control

Our Benzenesulfonamide, 3-Ethyl- is produced under a stringent quality management system. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the specifications required for industrial and research applications. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	92 - 96 °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.