Description

Benzenesulfonamide, 2-(Methylamino)- (9Ci) is a specialized aromatic sulfonamide derivative, a key building block in advanced organic synthesis. This compound matters for its role as a versatile intermediate in the development of pharmaceuticals and agrochemicals, where its unique substitution pattern enables the creation of molecules with targeted biological activity. Industries such as pharmaceutical R&D, agrochemical manufacturing, and fine chemical production require this high-purity intermediate for synthesizing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of sulfa drug analogs and other active pharmaceutical ingredients (APIs) targeting specific biological pathways.
• Agrochemical Synthesis: Used in the development of new-generation herbicides, fungicides, and plant growth regulators, leveraging its sulfonamide core.
• Dye and Pigment Manufacturing: Serves as a key intermediate for producing specialized azo dyes and organic pigments, contributing to color fastness and stability.
• Polymer Additives: Acts as a monomer or modifier in the production of specialty polymers, such as polyamides or resins, to impart specific chemical resistance or thermal properties.
• Research & Development: Employed in academic and industrial laboratories for methodological studies in organic chemistry and the discovery of new chemical entities.
• Chemical Synthesis Reagent: Utilized as a reagent in various name reactions and coupling processes to introduce the benzenesulfonamide functional group into complex molecules.

Basic Information

Product Name	Benzenesulfonamide, 2-(Methylamino)- (9Ci)
CAS No.	21639-28-1
Molecular Formula	C7H10N2O2S
Molecular Weight	186.23 g/mol
Synonyms	2-(Methylamino)benzenesulfonamide; N-Methyl-2-aminobenzenesulfonamide; o-(Methylamino)benzenesulfonamide; 2-Methylaminobenzenesulfonamide; Benzenesulfonamide, N-methyl-2-amino-; 2-Amino-N-methylbenzenesulfonamide; 2-Methylaminophenylsulfonamide; (2-Methylaminophenyl)sulfonamide
EINECS	Contact for details

Quality Control

Our Benzenesulfonamide, 2-(Methylamino)- is produced under a stringent quality management system to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including identification, assay, and impurity profiling, to meet the exacting standards required for synthetic intermediates. Certificates of Analysis (COA) documenting purity, physical characteristics, and test results are available upon request to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed to prevent absorption of atmospheric moisture, which could affect product quality and 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	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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