Description

A (1:1) Mixture Of: 2-[[4-[Bis(2-Acetoxyethyl)Amino]Phenyl]Azo]-5,6-Dichlorobenzothiazole2-[[4-[Bis(2-Acetoxyethyl)Amino]Phenyl]Azo]-6,7-Dichlorobenzothiazole is a specialized, high-purity azo dye intermediate designed for advanced colorant synthesis. This compound is valued for its precise molecular structure, which enables the development of dyes with specific chromatic properties and enhanced stability. It is an essential raw material for industrial and research chemists focused on creating high-performance pigments and dyes for demanding applications.

Application

• Primary intermediate in the synthesis of high-performance azo disperse dyes and pigments.
• Key component for developing colorants used in the textile industry, particularly for polyester and acetate fibers.
• Used in research and development of specialty dyes for plastics, inks, and coatings requiring specific lightfastness and thermal stability.
• Employed in the production of colorants for non-textile substrates such as advanced polymers and specialty papers.
• Acts as a chemical building block in organic synthesis for creating novel chromophoric systems.

Basic Information

Item	Details
Product Name	A (1:1) Mixture Of: 2-[[4-[Bis(2-Acetoxyethyl)Amino]Phenyl]Azo]-5,6-Dichlorobenzothiazole2-[[4-[Bis(2-Acetoxyethyl)Amino]Phenyl]Azo]-6,7-Dichlorobenzothiazole
CAS No.	111381-12-5
Molecular Formula	C23H21Cl2N5O4S (for each isomer)
Molecular Weight	Approx. 534.41 g/mol (for each isomer)
Synonyms	2-[[4-[Bis(2-Acetoxyethyl)amino]phenyl]azo]-5,6-dichlorobenzothiazole; 2-[[4-[Bis(2-Acetoxyethyl)amino]phenyl]azo]-6,7-dichlorobenzothiazole; Azo Disperse Dye Intermediate; C.I. Disperse Yellow 241 (related); 5,6-Dichloro-2-((4-(bis(2-acetoxyethyl)amino)phenyl)diazenyl)benzo[d]thiazole; 6,7-Dichloro-2-((4-(bis(2-acetoxyethyl)amino)phenyl)diazenyl)benzo[d]thiazole; Acetate Ester Azo Dye Intermediate; Benzothiazole Azo Dye Mixture
EINECS	Contact for details

Quality Control

Our production of this advanced dye intermediate adheres to strict quality management protocols to ensure batch-to-batch consistency and purity. Each lot undergoes comprehensive analysis, including HPLC for isomer ratio confirmation and impurity profiling. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting key parameters such as purity, identity, and composition.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. The container should be kept tightly sealed when not in use to prevent moisture absorption and contamination.

Specification

Item	Specification
Appearance	Orange to red-brown powder or crystalline solid
Identification (IR)	Conforms to reference spectrum
Purity (HPLC, Total Isomers)	≥ 98.0%
Isomer Ratio (5,6- : 6,7-Dichloro)	Approx. 1:1 (50% ± 5%)
Loss on Drying	≤ 1.0%
Residue on Ignition (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.