Description

5-(2-Chloro-4-Nitrophenylazo)-2-[4-[n-(2-Cyanoethyl)-n-Ethylamino]Phenylazo]-4-Methyl-3-Thiophenecarbonitrile is a specialized, high-performance diazo compound used as a key intermediate in the synthesis of advanced colorants. This product matters for its ability to impart specific, stable chromophoric properties, which are critical for achieving precise and durable coloration in demanding applications. It is primarily needed by manufacturers in the dye and pigment industries, particularly for producing high-grade disperse dyes and functional colorants for synthetic fibers and polymers.

Application

• Primary intermediate for the synthesis of high-performance disperse dyes for polyester and acetate fibers.
• Key chromophore component in the manufacture of specialized organic pigments for plastics and coatings.
• Used in research and development of novel functional dyes for non-textile applications, including electronics and optics.
• Employed in the production of colorants for inkjet inks requiring high lightfastness and chemical stability.
• Serves as a building block for advanced materials where specific light-absorption properties are required.

Basic Information

Product Name	5-(2-Chloro-4-Nitrophenylazo)-2-[4-[n-(2-Cyanoethyl)-n-Ethylamino]Phenylazo]-4-Methyl-3-Thiophenecarbonitrile
CAS No.	110553-23-6
Molecular Formula	C21H17ClN8O2S
Molecular Weight	480.93 g/mol
Synonyms	Disperse Orange 288; C.I. Disperse Orange 288; 5-[(2-Chloro-4-nitrophenyl)azo]-2-[[4-[ethyl(2-cyanoethyl)amino]phenyl]azo]-4-methyl-3-thiophenecarbonitrile; 3-Thiophenecarbonitrile, 5-[(2-chloro-4-nitrophenyl)azo]-2-[[4-[ethyl(2-cyanoethyl)amino]phenyl]azo]-4-methyl-; CAS 110553-23-6
EINECS	Contact for details

Quality Control

Our production of this diazo intermediate adheres to strict quality control protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced chromatographic and spectroscopic techniques to confirm identity and assay. A comprehensive Certificate of Analysis (COA) detailing purity, impurity profile, and physical specifications is provided with every shipment to support your quality assurance and regulatory needs.

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. Due to its light-sensitive nature, handling and packaging should minimize exposure to direct light.

Specification

Item	Specification
Appearance	Orange to Reddish-Brown Powder or Crystals
Identification (IR)	Conforms to Structure
Assay (HPLC)	≥ 97.0%
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.