Description

α-o-Toluidino-m-Toluenesulfonic Acid is a specialized organic sulfonic acid derivative that serves as a critical intermediate in advanced chemical synthesis. Its unique molecular structure, combining toluidine and toluenesulfonic acid moieties, makes it a valuable building block for creating complex molecules with specific functional properties. This compound is primarily sought after by manufacturers in the pharmaceutical, agrochemical, and dye industries for the development of active ingredients and colorants.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring a specific sulfonamide or aniline-based architecture.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and pesticides, where it acts as a core component to impart biological activity.
• Dye and Pigment Manufacturing: Serves as an intermediate for azo dyes and other complex organic pigments, contributing to color fastness and stability.
• Chemical Research & Development: Employed as a reagent in organic synthesis for constructing novel molecular scaffolds in academic and industrial R&D settings.
• Photographic Chemical: Can be utilized in the formulation of certain specialty chemicals for photographic development processes.
• Polymer Modification: Acts as a functional monomer or additive to introduce sulfonic acid groups into polymers, altering their solubility or ionic characteristics.

Basic Information

Item	Details
Product Name	α-o-Toluidino-m-Toluenesulfonic Acid
CAS No.	6661-53-6
Molecular Formula	C14H15NO3S
Molecular Weight	277.34 g/mol
Synonyms	2-Methyl-N-(2-methylphenyl)-3-sulfamoylbenzamide; o-Toluidino-m-toluenesulfonic acid; α-(o-Toluidino)-m-toluenesulfonic acid; Benzenesulfonamide, N-(2-methylphenyl)-2-methyl-; 3-Methyl-2-[(2-methylphenyl)amino]benzenesulfonic acid; ATTS; o-Toluidine-m-toluenesulfonic acid condensate
EINECS	Contact for details

Quality Control

Every batch of α-o-Toluidino-m-Toluenesulfonic Acid is manufactured and tested under a strict quality management system. We ensure compliance with relevant industry standards for chemical intermediates. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to guarantee consistent quality and traceability for your critical processes.

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 tightly sealed to prevent moisture absorption, which can affect product stability and performance.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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