Description

4-Amino-5-Methoxytoluene-2-Sulfonic Acid is a specialized organic intermediate of significant importance in fine chemical synthesis. Its sulfonic acid and amino functional groups make it a versatile building block for creating complex molecules with specific properties. This compound is primarily sought after by manufacturers in the dyes and pigments industry, as well as by research and development teams working on advanced pharmaceutical and agrochemical actives.

Application

• Dye and Pigment Intermediate: A key precursor in the synthesis of azo dyes, acid dyes, and other colorants, particularly for textiles and inks.
• Pharmaceutical Intermediate: Used in the research and production of active pharmaceutical ingredients (APIs) requiring a toluidine-sulfonic acid backbone.
• Agrochemical Synthesis: Serves as a building block for developing herbicides, fungicides, and other crop protection agents.
• Chemical Research (R&D): Employed in academic and industrial laboratories for exploring new synthetic pathways and novel compound libraries.
• Functional Material Production: Potential use in the manufacture of specialty polymers, surfactants, or corrosion inhibitors.

Basic Information

Product Name	4-Amino-5-Methoxytoluene-2-Sulfonic Acid
CAS No.	53416-49-2
Molecular Formula	C8H11NO4S
Molecular Weight	217.24 g/mol
Synonyms	2-Amino-4-methoxy-5-methylbenzenesulfonic Acid; 5-Methoxy-4-methyl-2-aminobenzenesulfonic Acid; 2-Amino-5-methoxy-p-toluenesulfonic Acid; 4-Methyl-5-methoxy-2-aminobenzenesulfonic Acid; 5-Methoxy-2-amino-p-toluenesulfonic Acid; 4-Amino-5-methoxy-2-methylbenzenesulfonic Acid; 2-Methyl-5-methoxy-4-aminobenzenesulfonic Acid
EINECS	Contact for details

Quality Control

Our production of 4-Amino-5-Methoxytoluene-2-Sulfonic Acid adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise customer specifications and industry standards. A Certificate of Analysis (COA) detailing all test results is provided with each shipment and is available upon request.

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 (moisture-sensitive) nature, the container must be kept sealed to prevent absorption of atmospheric moisture.

Specification

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