Description

4-Methyl-5-[(3-Sulfopropyl)Amino]-2-[(Thiazol-2-Yl)Azo]Benzoic Acid is a specialized azo dye intermediate characterized by its sulfonic acid and thiazole functional groups. This compound is valued for its ability to impart specific color properties and enhanced solubility in aqueous systems. It is primarily utilized by manufacturers in the dye and pigment industries, as well as in research and development for advanced material science applications.

Application

• Primary Intermediate for Reactive Dyes: Synthesis of high-value, water-soluble reactive dyes for textile coloring, particularly for cotton and cellulose fibers.
• Specialty Pigment Manufacturing: Production of pigments for inks, coatings, and plastics where specific hue and stability are required.
• Biochemical Staining Agent: Potential use in the development of histological or cytological stains in life science research.
• Analytical Chemistry Reagent: Employed as a chromogenic agent or complexometric indicator in specific analytical methods.
• Functional Material Synthesis: Building block for creating advanced polymers or materials with light-absorbing properties.

Basic Information

Product Name	4-Methyl-5-[(3-Sulfopropyl)Amino]-2-[(Thiazol-2-Yl)Azo]Benzoic Acid
CAS No.	87897-61-8
Molecular Formula	C15H16N4O5S2
Molecular Weight	396.44 g/mol
Synonyms	Benzoic acid, 4-methyl-5-[(3-sulfopropyl)amino]-2-(2-thiazolylazo)-; 2-(2-Thiazolylazo)-4-methyl-5-[(3-sulfopropyl)amino]benzoic acid; 5-[(3-Sulfopropyl)amino]-4-methyl-2-(2-thiazolylazo)benzoic acid; Azo dye intermediate 87897-61-8; Thiazolylazo benzoic acid derivative; SPADNS analog; Sulfonated azo dye precursor
EINECS	Contact for details

Quality Control

Our production of 4-Methyl-5-[(3-Sulfopropyl)Amino]-2-[(Thiazol-2-Yl)Azo]Benzoic Acid adheres to stringent in-process controls to ensure batch-to-batch consistency and high purity. Each lot is analyzed against established specifications, including identity confirmation, assay, and impurity profiling. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee compliance with your technical 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). Keep away from strong oxidizing agents. The product may be hygroscopic; ensure containers are sealed after each use to minimize moisture absorption.

Specification

Item	Specification
Appearance	Dark red to brown powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
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.