Description

3-[Ethyl[(4-Sulfophenyl)Methyl]Amino]Benzenesulfonic Acid is a specialized organic intermediate featuring dual sulfonic acid groups, which impart high water solubility and anionic character. This compound is valued for its role in synthesizing dyes, pigments, and functional chemicals where ionic properties and specific molecular architecture are required. It serves as a critical building block for manufacturers in the colorant, textile auxiliary, and specialty surfactant industries seeking to develop products with enhanced performance characteristics.

Application

• Dye and Pigment Intermediate: A key precursor in the synthesis of acid dyes, reactive dyes, and organic pigments, contributing to color fastness and solubility.
• Textile Chemical Production: Used in manufacturing leveling agents, dispersants, and other auxiliaries for textile processing and dyeing.
• Specialty Surfactant Synthesis: Serves as a hydrophilic component for creating anionic surfactants with specific emulsifying or wetting properties.
• Chemical Research & Development: Employed as a model compound or reagent in organic synthesis and materials science research.
• Electroplating Additive: Potential use in formulating brighteners or conductive salts for electroplating baths.
• Paper Coating Agent: Can be utilized in the production of chemicals for paper sizing and coating to improve ink receptivity.

Basic Information

Product Name	3-[Ethyl[(4-Sulfophenyl)Methyl]Amino]Benzenesulfonic Acid
CAS No.	6268-04-8
Molecular Formula	C15H17NO6S2
Molecular Weight	371.42 g/mol
Synonyms	Benzenesulfonic acid, 3-[ethyl[(4-sulfophenyl)methyl]amino]-; 3-[Ethyl(p-sulfobenzyl)amino]benzenesulfonic acid; N-Ethyl-N-(4-sulfobenzyl)-m-aminobenzenesulfonic acid; Ethyl(4-sulfobenzyl)aminobenzenesulfonic acid; 6268-04-8; NSC 403107; Azoic Coupling Component 21
EINECS	Contact for details

Quality Control

Our production of 3-[Ethyl[(4-Sulfophenyl)Methyl]Amino]Benzenesulfonic Acid adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including assay, impurity profiling, and identity confirmation, to ensure consistency and reliability. Certificates of Analysis (COA) documenting purity, physical characteristics, and other critical parameters are available upon request to support your quality assurance and regulatory needs.

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). Due to its hygroscopic nature, the container must be kept sealed to minimize exposure to atmospheric moisture. Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	Off-white to light yellow powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content	≤ 5.0%
pH (1% Solution)	2.0 - 4.0
Heavy Metals (as Pb)	≤ 20 ppm

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