Description

Potassium 2-[Ethyl[3-Methyl-4-[(6-Methyl-2-Benzothiazolyl)Azo]Phenyl]Amino]Ethanesulphonate is a high-purity, water-soluble anionic dye intermediate of significant commercial importance. Its primary value lies in its role as a key precursor for synthesizing specialized dyes and pigments, particularly those requiring excellent lightfastness and thermal stability. This compound is essential for manufacturers in the textile, ink, and specialty polymer industries seeking to produce vibrant, durable colorants.

Application

• Primary Intermediate for Disperse Dyes: A crucial building block in the synthesis of high-performance disperse dyes used for coloring polyester, nylon, and acetate fibers.
• Specialty Ink Formulations: Used in the production of pigments for inks requiring specific solubility and color properties, including some digital printing inks.
• Functional Polymer Additive: Can be incorporated into certain polymers to impart color or act as a functional monomer in specialty applications.
• Research & Development: Serves as a valuable chemical reagent in organic synthesis and material science research for developing new chromophores.
• Analytical Chemistry: Potential use as a staining agent or indicator in specific analytical methodologies due to its azo-benzothiazole structure.

Basic Information

Product Name	Potassium 2-[Ethyl[3-Methyl-4-[(6-Methyl-2-Benzothiazolyl)Azo]Phenyl]Amino]Ethanesulphonate
CAS No.	71673-05-7
Molecular Formula	C19H21KN4O3S2
Molecular Weight	456.62 g/mol
Synonyms	Potassium 2-[(4-[(6-Methyl-2-benzothiazolyl)azo]-3-methylphenyl)ethylamino]ethanesulfonate; 2-[Ethyl[3-methyl-4-[(6-methyl-2-benzothiazolyl)azo]phenyl]amino]ethanesulfonic Acid Potassium Salt; C.I. Solvent Yellow 43; Azoic Diazo Component 42; 71673-05-7; Ethanesulfonic acid, 2-[ethyl[3-methyl-4-[(6-methyl-2-benzothiazolyl)azo]phenyl]amino]-, potassium salt; Disperse Yellow Dye Intermediate
EINECS	Contact for details

Quality Control

Our production of Potassium 2-[Ethyl[3-Methyl-4-[(6-Methyl-2-Benzothiazolyl)Azo]Phenyl]Amino]Ethanesulphonate adheres to stringent quality management protocols. Every batch is subjected to comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure consistency and meet precise customer specifications. Certificates of Analysis (COA) documenting all critical parameters are provided as standard, ensuring full traceability and compliance with your quality assurance 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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent absorption of atmospheric moisture, which can affect product performance.

Specification

Item	Specification
Appearance	Yellow to orange-brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
Solubility (in Water)	Clear, yellow solution

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