Description

4-Chloro-2-[[4-[(2-Hydroxyethyl)Amino]-o-Tolyl]Azo]Benzonitrile is a specialized azo dye intermediate of significant commercial importance. Its molecular structure is engineered to provide excellent chromophoric properties and reactivity, making it a valuable precursor for high-performance colorants. This compound is primarily sought after by manufacturers in the dye and pigment industries, as well as researchers developing advanced materials for imaging and sensing applications.

Application

• Primary intermediate for the synthesis of high-value azo dyes and pigments.
• Key building block in the production of disperse dyes for synthetic fibers like polyester and nylon.
• Used in research and development of functional dyes for non-textile applications, including inks and coatings.
• Potential precursor for colorimetric sensors and analytical reagents due to its specific chromophore.
• Employed in the fine-tuning of shade and fastness properties in advanced colorant formulations.
• May serve as a starting material for specialized photographic dyes or imaging agents.

Basic Information

Product Name	4-Chloro-2-[[4-[(2-Hydroxyethyl)Amino]-o-Tolyl]Azo]Benzonitrile
CAS No.	72968-68-4
Molecular Formula	C16H15ClN4O
Molecular Weight	314.77 g/mol
Synonyms	2-[(4-((2-Hydroxyethyl)amino)-2-methylphenyl)azo]-4-chlorobenzonitrile; C.I. Disperse Red 277; Disperse Red 277; 4-Chloro-2-[(4-((2-hydroxyethyl)amino)-2-methylphenyl)azo]benzonitrile; 1-(2-Cyano-5-chlorophenyl)azo-4-((2-hydroxyethyl)amino)-2-methylbenzene; 4-Chloro-2-[[4-[(2-hydroxyethyl)amino]-2-methylphenyl]azo]benzonitrile; Benzonitrile, 4-chloro-2-[[4-[(2-hydroxyethyl)amino]-2-methylphenyl]azo]-
EINECS	Contact for details

Quality Control

Our production of 4-Chloro-2-[[4-[(2-Hydroxyethyl)Amino]-o-Tolyl]Azo]Benzonitrile adheres to stringent quality management protocols to ensure batch-to-batch consistency and purity. The material is characterized using advanced analytical techniques including HPLC, GC, and NMR spectroscopy. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles 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, and well-ventilated area at room temperature (15-25°C). Keep away from heat sources and incompatible materials. Due to its light-sensitive nature, handling and transfer should be minimized under direct light exposure.

Specification

Item	Specification
Appearance	Reddish-brown to dark brown powder or crystals
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Heavy Metals	≤ 20 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 2.0%

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