Description

2-(Methylsulfonyl)Aniline is a versatile aromatic amine derivative featuring a methylsulfonyl substituent, widely recognized by its CAS number 2987-49-7. This compound serves as a critical building block in advanced organic synthesis, valued for its electron-withdrawing sulfonyl group which imparts unique reactivity and stability to target molecules. It is primarily sought after by research institutions and manufacturers in the pharmaceutical and agrochemical sectors for the development of novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of sulfonamide-based drugs, including enzyme inhibitors and receptor antagonists.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and insecticides where the aniline core provides essential bioactivity.
• Dye and Pigment Manufacturing: Serves as a starting material for creating specialized azo dyes and colorants.
• Material Science Research: Employed in the development of novel polymers, liquid crystals, and organic electronic materials.
• Chemical Research & Development: A valuable reagent for exploring new organic reactions and constructing complex molecular architectures in academic and industrial labs.

Basic Information

Product Name	2-(Methylsulfonyl)Aniline
CAS No.	2987-49-7
Molecular Formula	C7H9NO2S
Molecular Weight	171.22 g/mol
Synonyms	2-Aminophenyl methyl sulfone; o-(Methylsulfonyl)aniline; Benzenamine, 2-(methylsulfonyl)-; 2-Methanesulfonylaniline; 2-Methylsulfonylaniline; 2-(Methylsulfonyl)benzenamine; 2987-49-7; o-Aminophenyl methyl sulfone
EINECS	221-058-6

Quality Control

Our 2-(Methylsulfonyl)Aniline is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. We provide full traceability and Certificates of Analysis (COA) are available for all shipments to verify compliance with your specifications.

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 flames. Due to its light-sensitive nature, prolonged exposure to direct light should be avoided.

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.