Description

3-Amino-5-Chloro-4-Ethylbenzenesulphonic Acid is a high-purity, functionalized benzenesulphonic acid derivative serving as a critical building block in advanced organic synthesis. Its value lies in the unique combination of amino, chloro, and sulphonic acid groups, enabling precise chemical modifications for creating complex molecules. This intermediate is essential for manufacturers in the pharmaceutical and specialty dye industries, where it is used to develop active pharmaceutical ingredients (APIs) and high-performance colorants.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for targeted therapeutics.
• Dye and Pigment Manufacturing: Serves as a crucial intermediate for producing azo dyes and other high-value, color-fast pigments.
• Agrochemical Synthesis: Used in the development of advanced herbicides and pesticides, leveraging its reactive sites for molecular design.
• Research & Development: Employed in academic and industrial R&D labs for exploring new chemical entities and reaction pathways.
• Specialty Chemical Production: Functions as a building block for surfactants, corrosion inhibitors, and other performance chemicals.

Basic Information

Product Name	3-Amino-5-Chloro-4-Ethylbenzenesulphonic Acid
CAS No.	67892-46-0
Molecular Formula	C8H10ClNO3S
Molecular Weight	235.69 g/mol
Synonyms	5-Chloro-4-ethyl-3-aminobenzenesulfonic acid; 3-Amino-5-chloro-4-ethylbenzenesulfonic acid; Benzenesulfonic acid, 3-amino-5-chloro-4-ethyl-; 4-Ethyl-5-chloro-3-aminobenzenesulfonic acid; 2-Amino-6-chloro-4-ethylbenzenesulfonic acid (alternative numbering); 67892-46-0; ACESA (abbreviation)
EINECS	Contact for details

Quality Control

Our 3-Amino-5-Chloro-4-Ethylbenzenesulphonic Acid is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for pharmaceutical and industrial applications. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

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). This product is hygroscopic (moisture-sensitive); the container must be kept tightly sealed to prevent absorption of atmospheric moisture, which can affect product quality and stability.

Specification

Item	Specification
Appearance	Off-white to light brown crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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