Description

4-(Ethylsulphonyl)-2-Nitroaniline is a specialized aromatic amine derivative characterized by its nitro and ethylsulfonyl functional groups. This compound serves as a critical high-purity intermediate in the synthesis of complex organic molecules, where its unique structure enables precise chemical transformations. It is primarily required by pharmaceutical, agrochemical, and advanced dye manufacturers for research and production-scale applications.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for molecules requiring a functionalized aniline core.
• Agrochemical Synthesis: Used in the production of herbicides, pesticides, and fungicides where the nitroaniline moiety is essential for biological activity.
• Dye and Pigment Manufacturing: Serves as a precursor for azo dyes and other complex colorants, contributing to color fastness and specific hue properties.
• Research & Development: Employed in organic chemistry research for studying sulfone and nitro group reactivity and for creating novel compound libraries.
• Fine Chemical Production: Intermediate in the manufacture of other specialty chemicals, including photographic chemicals and polymer additives.

Basic Information

Product Name	4-(Ethylsulphonyl)-2-Nitroaniline
CAS No.	23306-60-7
Molecular Formula	C8H10N2O4S
Molecular Weight	230.24 g/mol
Synonyms	2-Nitro-4-(ethylsulfonyl)aniline; 4-Amino-3-nitrobenzenesulfonic acid ethyl ester; Benzenamine, 4-(ethylsulfonyl)-2-nitro-; 4-(Ethylsulfonyl)-2-nitrobenzenamine; 4-Ethylsulfonyl-2-nitroaniline; 2-Nitro-4-ethylsulfonylaniline; p-(Ethylsulfonyl)-o-nitroaniline
EINECS	Contact for details

Quality Control

Our 4-(Ethylsulphonyl)-2-Nitroaniline is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing including HPLC, GC, and NMR to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all specified parameters. Our quality commitment aligns with cGMP principles where applicable, ensuring reliability for critical synthesis steps.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Due to its light-sensitive nature and propensity to be easily oxidized, prolonged exposure to light, air, or elevated temperatures should be avoided. Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
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.