Description

Propanenitrile, 3-[[2-(Acetyloxy)Ethyl][4- [(5,6-Dichloro-2-Benzothiazolyl)Azo]Phenyl]Amino ]- is a specialized azo dye intermediate characterized by its complex molecular structure incorporating benzothiazole and nitrile functional groups. This compound matters for its role as a precise chemical building block in the synthesis of high-performance dyes and pigments, offering excellent color fastness and thermal stability. It is primarily needed by manufacturers in the textile, ink, and advanced materials sectors seeking to develop products with specific chromatic and functional properties.

Application

• Disperse Dye Synthesis: A key intermediate for producing high-quality disperse dyes used in polyester and acetate fiber coloring.
• Pigment Manufacturing: Employed in the creation of organic pigments for plastics, coatings, and inks requiring enhanced durability.
• Functional Material Research: Serves as a precursor in the development of materials with specific optical or electronic properties.
• Textile Printing: Used in formulations for textile printing inks that demand bright, wash-fast colors.
• Liquid Crystal Dyes: Potential application in the synthesis of dyes for liquid crystal displays (LCDs).
• Analytical Chemistry: May be utilized as a reagent or standard in chromatographic analysis and method development.

Basic Information

Product Name	Propanenitrile, 3-[[2-(Acetyloxy)Ethyl][4- [(5,6-Dichloro-2-Benzothiazolyl)Azo]Phenyl]Amino ]-
CAS No.	33979-43-0
Molecular Formula	C₂₀H₁₈Cl₂N₆O₂S
Molecular Weight	477.37 g/mol
Synonyms	3-[[2-(Acetyloxy)ethyl][4-[(5,6-dichloro-2-benzothiazolyl)azo]phenyl]amino]propanenitrile; 2-[[4-[[2-(Acetyloxy)ethyl][2-cyanoethyl]amino]phenyl]azo]-5,6-dichlorobenzothiazole; C.I. Disperse Blue 291; Propanenitrile, 3-((2-(acetyloxy)ethyl)(4-((5,6-dichloro-2-benzothiazolyl)azo)phenyl)amino)-; 5,6-Dichloro-2-[[4-[N-[2-(acetyloxy)ethyl]-N-(2-cyanoethyl)amino]phenyl]azo]benzothiazole; Azo Disperse Dye Intermediate; 33979-43-0
EINECS	Contact for details

Quality Control

Our production of this advanced intermediate adheres to strict quality protocols to ensure batch-to-batch consistency and purity for sensitive synthesis processes. Quality is verified through modern analytical techniques including HPLC, GC, and NMR to confirm identity and impurity profiles. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and specific tests is provided with each shipment to support your quality assurance and regulatory needs.

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 heat, sparks, and open flame. Due to its light-sensitive nature, containers should be kept in opaque packaging or amber glass until use.

Specification

Item	Specification
Appearance	Dark colored powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Loss on Drying	≤ 1.0%
Heavy Metals	≤ 20 ppm
Related Substances (HPLC)	Total impurities ≤ 3.0%

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