Description

5-Amino-6-Hydroxytoluene-3-Sulphonic Acid is a specialized aromatic sulfonic acid derivative that serves as a critical intermediate in the synthesis of high-value colorants and functional molecules. Its unique structure, featuring both amino and hydroxyl substituents on the toluene ring, makes it a versatile building block for creating compounds with specific chromophoric and chelating properties. This intermediate is essential for manufacturers in the dye and pigment industry, as well as for research institutions developing advanced materials and pharmaceutical agents.

Application

• Dye and Pigment Intermediate: Primary use as a key precursor in the synthesis of azo dyes, acid dyes, and reactive dyes, contributing to color strength and fastness properties.
• Pharmaceutical Synthesis: Utilized as a building block in the research and development of active pharmaceutical ingredients (APIs) and diagnostic agents.
• Chemical Research: Serves as a model compound or starting material in organic synthesis for creating novel sulfonated aromatic structures.
• Specialty Chemicals: Potential use in the formulation of corrosion inhibitors, complexing agents, and other functional additives.

Basic Information

Product Name	5-Amino-6-Hydroxytoluene-3-Sulphonic Acid
CAS No.	94442-01-0
Molecular Formula	C7H9NO4S
Molecular Weight	203.22 g/mol
Synonyms	5-Amino-6-hydroxy-3-methylbenzenesulfonic acid; 2-Amino-3-hydroxy-5-methylbenzenesulfonic acid; 3-Methyl-5-amino-6-hydroxybenzenesulfonic acid; 5-Amino-6-hydroxytoluene-3-sulfonic acid; 2-Methyl-4-amino-5-hydroxybenzenesulfonic acid; Toluene-3-sulfonic acid, 5-amino-6-hydroxy-; AHTS Acid
EINECS	Contact for details

Quality Control

Our production of 5-Amino-6-Hydroxytoluene-3-Sulphonic Acid adheres to stringent quality management protocols to ensure batch-to-batch consistency and reliability. The material is characterized using advanced analytical techniques including HPLC, NMR, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent absorption of atmospheric moisture, which may affect product stability and performance.

Specification

Item	Specification
Appearance	Off-white to light tan crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Sulfated Ash	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 2.0%

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