Description

5-Amino-2-(o-Tolyloxy)Benzenesulphonic Acid is a specialized organic intermediate featuring a sulfonic acid group and an amino functionality, making it a versatile building block for complex synthesis. This compound is valued for its role in creating high-performance dyes, pigments, and advanced pharmaceutical active ingredients. It is primarily sought by manufacturers in the fine chemical, agrochemical, and specialty dye industries for research and production-scale applications.

Application

• Dye and Pigment Intermediate: A key precursor in the synthesis of azo dyes, acid dyes, and other high-value colorants.
• Pharmaceutical Synthesis: Serves as a crucial building block for active pharmaceutical ingredients (APIs), particularly those requiring sulfonamide or aniline derivatives.
• Agrochemical Manufacturing: Used in the production of herbicides, fungicides, and other crop protection agents.
• Research & Development: Employed in organic synthesis and chemical research for developing new materials and compounds.
• Functional Material Production: Potential use in creating specialty polymers, surfactants, and corrosion inhibitors.

Basic Information

Product Name	5-Amino-2-(o-Tolyloxy)Benzenesulphonic Acid
CAS No.	93893-58-4
Molecular Formula	C₁₃H₁₃NO₄S
Molecular Weight	279.31 g/mol
Synonyms	5-Amino-2-(2-methylphenoxy)benzenesulfonic acid; 2-(2-Methylphenoxy)-5-aminobenzenesulfonic acid; Benzenesulfonic acid, 5-amino-2-(2-methylphenoxy)-; 5-Amino-2-(o-cresyloxy)benzenesulfonic acid; o-Tolyloxy Aniline Sulfonic Acid; 93893-58-4; ATBSA
EINECS	Contact for details

Quality Control

Our 5-Amino-2-(o-Tolyloxy)Benzenesulphonic Acid is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets precise customer specifications. Certificates of Analysis (COA) with detailed batch-specific results are provided to guarantee traceability and consistency for your critical applications.

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). This product is hygroscopic (moisture-sensitive); ensure the container is sealed after each use to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Off-white to light brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
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.