Description

3-(n-Ethyl-n-(3-Sulfobenzyl)Amino)Benzenesulfonic Acid CAS NO 6375-04-8 is a high-purity, water-soluble aromatic sulfonic acid derivative, valued for its role as a key intermediate and functional additive. Its bifunctional structure, containing both sulfonic acid and tertiary amine groups, makes it a versatile building block for synthesizing dyes, pigments, and specialty surfactants. This compound is essential for manufacturers in the fine chemical, textile, and advanced material sectors requiring precise molecular functionality.

Application

• Dye and Pigment Intermediate: A critical precursor in the synthesis of acid dyes, reactive dyes, and organic pigments, contributing to color fastness and solubility.
• Surfactant and Dispersant Synthesis: Used to manufacture specialty surfactants and dispersing agents for coatings, inks, and agrochemical formulations.
• Electroplating Additive: Functions as a brightening agent and leveler in electroplating baths to improve the quality and uniformity of metal deposits.
• Pharmaceutical Intermediate: Serves as a building block in the synthesis of certain active pharmaceutical ingredients (APIs) and diagnostic agents.
• Photographic Chemical: Employed in the production of light-sensitive materials and photographic developers.
• Water Treatment Agent: Acts as a chelating agent and anti-scaling compound in industrial water treatment processes.
• Research & Development: Utilized in academic and industrial R&D for exploring new organic synthesis pathways and material properties.

Basic Information

Product Name	3-(n-Ethyl-n-(3-Sulfobenzyl)Amino)Benzenesulfonic Acid
CAS No.	6375-04-8
Molecular Formula	C15H17NO6S2
Molecular Weight	371.43 g/mol
Synonyms	Benzenesulfonic acid, 3-[(ethyl)[(3-sulfophenyl)methyl]amino]-; 3-[Ethyl(3-sulfobenzyl)amino]benzenesulfonic acid; Ethyl 3-sulfobenzyl aniline disulfonic acid; 6375-04-8; NSC 403119; 3-(N-Ethyl-N-(3-sulfobenzyl)amino)benzenesulfonate
EINECS	228-925-9

Quality Control

Our production of 3-(n-Ethyl-n-(3-Sulfobenzyl)Amino)Benzenesulfonic Acid adheres to a stringent quality management system. Every batch is analyzed using advanced techniques like HPLC and NMR to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical parameters. Our quality commitment ensures the material meets the high standards required for fine chemical synthesis and industrial applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed to prevent absorption of atmospheric moisture. Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
pH (1% aqueous solution)	3.0 - 5.0

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