Description

4-[[Ethyl(3-Methylphenyl)Amino]Methyl]Benzenesulphonic Acid is a specialized organic sulfonic acid derivative that serves as a crucial intermediate in advanced chemical synthesis. Its molecular structure, featuring both a tertiary amine and a sulfonic acid group, makes it valuable for imparting specific functional properties in downstream products. This compound is primarily utilized by manufacturers in the dye, pigment, and specialty polymer industries who require high-purity building blocks for performance chemicals.

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.
• Polymer Modification: Used to introduce sulfonate groups into polymers, enhancing hydrophilicity, dyeability, and antistatic properties.
• Surfactant Synthesis: Serves as a building block for specialized anionic surfactants with unique emulsifying and dispersing capabilities.
• Pharmaceutical Intermediates: Employed in the research and development of active pharmaceutical ingredients (APIs) requiring sulfonated aromatic structures.
• Liquid Crystal and Electronic Chemicals: Used in the production of charge-control agents and other functional materials for the electronics industry.
• Corrosion Inhibitor Formulation: Acts as a component in specialty formulations designed to protect metal surfaces.

Basic Information

Product Name	4-[[Ethyl(3-Methylphenyl)Amino]Methyl]Benzenesulphonic Acid
CAS No.	67801-04-1
Molecular Formula	C₁₇H₂₁NO₃S
Molecular Weight	319.42 g/mol
Synonyms	4-[[Ethyl(3-methylphenyl)amino]methyl]benzenesulfonic acid; Benzenesulfonic acid, 4-[[ethyl(3-methylphenyl)amino]methyl]-; N-Ethyl-N-(3-methylbenzyl)-4-aminobenzenesulfonic acid; 4-[(Ethyl-m-tolylamino)methyl]benzenesulfonic acid; CAS 67801-04-1; m-Tolylethylaminomethylbenzenesulfonic acid; AEBSA (abbreviation)
EINECS	Contact for details

Quality Control

Our production of 4-[[Ethyl(3-Methylphenyl)Amino]Methyl]Benzenesulphonic Acid adheres to a strict quality management system. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure consistency and meet customer specifications. Certificates of Analysis (COA) documenting all critical parameters are available upon request to support your quality assurance protocols.

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). Keep away from strong oxidizing agents, strong bases, and heat sources. Due to its organic acid nature, appropriate material handling procedures should be observed.

Specification

Item	Specification
Appearance	White to off-white powder or crystalline solid
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
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 2.0%

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