Description

3-Methyl-2-[[p-(n-Methylanilino)Phenyl]Azo]Thiazolium Methyl Sulphate is a specialized cationic azo dye intermediate of significant commercial importance. This compound is valued for its role in synthesizing high-performance dyes and pigments with excellent color fastness and application properties. It is primarily utilized by manufacturers in the textile, ink, and specialty chemical industries seeking to produce vibrant and durable colorants.

Application

• Primary Intermediate for Cationic Dyes: A key building block in the synthesis of cationic (basic) dyes, particularly for acrylic fibers.
• Textile Dyeing and Printing: Used to produce dyes that offer bright shades and good wash-fastness on synthetic fabrics.
• Inkjet and Digital Printing Inks: Serves as a precursor for colorants in high-quality inks requiring strong color strength and stability.
• Paper Coloring: Employed in the manufacture of dyes for specialty paper products.
• Biological Staining: Potential use as an intermediate for developing stains used in histological and cytological applications.
• Research & Development: Used in chemical research for developing new functional dyes and studying azo dye chemistry.

Basic Information

Product Name	3-Methyl-2-[[p-(n-Methylanilino)Phenyl]Azo]Thiazolium Methyl Sulphate
CAS No.	57583-74-1
Molecular Formula	C18H21N5O4S2
Molecular Weight	435.52 g/mol
Synonyms	3-Methyl-2-[(4-((4-methylphenyl)amino)phenyl)azo]thiazol-3-ium methyl sulfate; Basic Orange 42 intermediate; C.I. 48060 intermediate; 2-[[4-[(4-Methylphenyl)amino]phenyl]azo]-3-methylthiazolium methyl sulfate; Thiazolium, 3-methyl-2-[[4-[(4-methylphenyl)amino]phenyl]azo]-, methyl sulfate; Azoic thiazolium salt; Cationic azo dye precursor
EINECS	Contact for details

Quality Control

Our production of 3-Methyl-2-[[p-(n-Methylanilino)Phenyl]Azo]Thiazolium Methyl Sulphate adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity for industrial synthesis. Every lot is analyzed using advanced techniques like HPLC and NMR to confirm identity and assay. A comprehensive Certificate of Analysis (COA) detailing purity, impurity profile, and physical specifications is provided with each shipment to support your quality assurance processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); ensure the container is kept tightly sealed to prevent absorption of atmospheric moisture, which can affect product performance and stability.

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%
Heavy Metals (as Pb)	≤ 20 ppm
Residual Solvents (GC)	Meets ICH guidelines

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