Description

2-Aminotoluene-5-Sulfonic Acid is a key aromatic sulfonic acid derivative, serving as a versatile intermediate in the synthesis of complex organic molecules. Its value lies in its bifunctional nature, featuring both an aromatic amine and a sulfonic acid group, which enables its use in creating dyes, pigments, and other specialty chemicals. This compound is essential for manufacturers and R&D laboratories in the dyestuff, pharmaceutical, and agrochemical sectors seeking reliable, high-purity building blocks for their synthesis processes.

Application

• Dye and Pigment Intermediate: A crucial precursor in the manufacture of azo dyes, acid dyes, and reactive dyes, contributing to color strength and stability.
• Pharmaceutical Synthesis: Used as a building block in the production of certain active pharmaceutical ingredients (APIs) and diagnostic agents.
• Agrochemical Production: Employed in the synthesis of herbicides, pesticides, and plant growth regulators.
• Chemical Research & Development: Serves as a versatile reagent for organic synthesis and novel compound discovery in academic and industrial labs.
• Photographic Chemicals: Can be utilized in the formulation of certain photographic developers and sensitizers.
• Corrosion Inhibitor Formulation: Acts as a component in specialty chemical blends designed to prevent metal corrosion.

Basic Information

Product Name	2-Aminotoluene-5-Sulfonic Acid
CAS No.	34598-33-9
Molecular Formula	C7H9NO3S
Molecular Weight	187.22 g/mol
Synonyms	4-Amino-3-methylbenzenesulfonic Acid; 3-Methyl-4-aminobenzenesulfonic Acid; 2-Methyl-5-aminobenzenesulfonic Acid; 5-Amino-2-methylbenzenesulfonic Acid; 4-Amino-m-toluenesulfonic Acid; 2-Amino-5-methylbenzenesulfonic Acid; 5-Aminotoluene-2-sulfonic Acid; 2-Methyl-5-sulfoaniline
EINECS	Contact for details

Quality Control

Our 2-Aminotoluene-5-Sulfonic Acid is produced under a stringent quality management system. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting specifications for industrial and research applications. A Certificate of Analysis (COA) detailing all test results is provided with each shipment to guarantee traceability and compliance with your quality requirements.

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 kept tightly sealed to prevent absorption of atmospheric moisture, which may affect product quality.

Specification

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