Description

A mixture (50:50) of: 2-[2-acetylamino-4-[N,N-bis[2-ethoxy-carbonyloxy)ethyl]amino]phenylazo]-5,6-dichloro-1,3-benzothiazole 2-[2-acetylamino-4-[N,N-bis[2-ethoxy-carbonyloxy)ethyl]amino]phenylazo]-6,7-dichloro-1,3-benzotriazole is a high-performance, dichlorinated azo dye intermediate designed for specialized colorant synthesis. This compound is critical for producing dyes with enhanced lightfastness, thermal stability, and specific color properties required in demanding industrial applications. It is primarily utilized by manufacturers in the textile, polymer, and specialty ink industries seeking to develop advanced, high-value color products.

Application

• Synthesis of High-Performance Textile Dyes: A key intermediate for producing azo dyes with excellent wash and light fastness for synthetic fibers like polyester and nylon.
• Specialty Polymer Colorants: Used in the manufacture of pigments and dyes for coloring engineering plastics, resins, and synthetic fibers requiring high thermal stability.
• Advanced Ink Formulations: Serves as a precursor for creating specialized inks used in jet printing, security printing, and other high-tech applications.
• Functional Dye Production: A building block for dyes used in non-textile applications, such as optical data storage, liquid crystal displays (LCDs), and laser dyes.
• Research & Development: An important chemical for R&D laboratories focused on developing novel chromophores and studying structure-property relationships in dye chemistry.

Basic Information

Product Name	A mixture (50:50) of: 2-[2-acetylamino-4-[N,N-bis[2-ethoxy-carbonyloxy)ethyl]amino]phenylazo]-5,6-dichloro-1,3-benzothiazole 2-[2-acetylamino-4-[N,N-bis[2-ethoxy-carbonyloxy)ethyl]amino]phenylazo]-6,7-dichloro-1,3-benzotriazole
CAS No.	143145-93-1
Molecular Formula	C34H34Cl2N8O10S (Benzothiazole component) / C34H34Cl2N10O10 (Benzotriazole component)
Molecular Weight	~809.68 g/mol (Benzothiazole) / ~833.70 g/mol (Benzotriazole)
Synonyms	Dichloro Azo Dye Intermediate 143145-93-1; CI Disperse Yellow 241 (related); 5,6-Dichloro-2-[4-[bis(2-ethoxycarbonyloxyethyl)amino]-2-acetamidophenylazo]benzothiazole; 6,7-Dichloro-2-[4-[bis(2-ethoxycarbonyloxyethyl)amino]-2-acetamidophenylazo]benzotriazole; Azo Benzothiazole-Triazole Mixture; Acetamide Azo Dye Intermediate; Lightfast Azo Dye Precursor
EINECS	Contact for details

Quality Control

Our production of this advanced dye intermediate adheres to strict quality control protocols to ensure batch-to-batch consistency and purity for your synthesis processes. Quality is verified through analytical techniques including HPLC, IR spectroscopy, and elemental analysis. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every 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). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, containers should be kept in opaque packaging or amber glass.

Specification

Item	Specification
Appearance	Fine powder or crystalline solid
Color	Yellow to Orange
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0% (Total of both isomers)
Isomer Ratio (50:50 Mixture)	45% - 55% of each component
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 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.