Description

4-Methylsulfonylaniline is a versatile aromatic amine derivative featuring a sulfonyl functional group. This compound is a critical high-purity intermediate for synthesizing advanced materials and active pharmaceutical ingredients (APIs). It is primarily utilized by research institutions and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for developing novel compounds and fine-tuning material properties.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of sulfonamide-based drugs and other bioactive molecules.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and other crop protection agents.
• Dye and Pigment Manufacturing: Serves as a precursor for azo dyes and other colorants.
• Polymer Chemistry: Acts as a monomer or cross-linking agent in the production of specialty polymers and resins.
• Chemical Research: Valuable reagent in organic synthesis and material science research for introducing the methylsulfonyl aniline moiety.
• Liquid Crystal and Electronic Materials: Intermediate in the synthesis of components for advanced display technologies.

Basic Information

Product Name	4-Methylsulfonylaniline
CAS No.	5470-49-5
Molecular Formula	C7H9NO2S
Molecular Weight	171.22 g/mol
Synonyms	4-Aminophenyl methyl sulfone; p-Aminophenyl methyl sulfone; Benzenamine, 4-(methylsulfonyl)-; 4-Methylsulphonylaniline; 4-(Methylsulfonyl)aniline; p-Methylsulfonylaniline; 4-Amino-1-methylsulfonylbenzene; Methyl p-aminophenyl sulfone
EINECS	226-788-9

Quality Control

Our 4-Methylsulfonylaniline is produced under stringent quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); keep the container tightly sealed to minimize exposure to atmospheric moisture.

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%
Related Substances (HPLC)	Contact for details

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