Description

Ethyl 4-[[4-[(2-Cyanoethyl)(2-Hydroxyethyl)Amino]Phenyl]Azo]-3-Nitrobenzoate is a specialized azo dye intermediate known for its distinct chromophoric structure, which is critical for imparting specific color properties in advanced formulations. This compound matters for its role in synthesizing high-performance dyes and pigments that require excellent lightfastness and thermal stability. It is primarily needed by manufacturers in the textile, ink, and specialty polymer industries seeking to develop custom colorants for demanding applications.

Application

• As a key intermediate in the synthesis of disperse dyes for synthetic fibers like polyester and acetate.
• In the production of pigments for industrial inks, including those used in packaging and printing.
• For research and development of novel functional dyes with specific optical or electronic properties.
• As a colorant precursor in the manufacturing of specialty polymers and plastics.
• In the formulation of solvent dyes for applications in non-aqueous systems.
• Potential use in the development of biological stains and analytical reagents.

Basic Information

Product Name	Ethyl 4-[[4-[(2-Cyanoethyl)(2-Hydroxyethyl)Amino]Phenyl]Azo]-3-Nitrobenzoate
CAS No.	81367-79-5
Molecular Formula	C20H21N5O5
Molecular Weight	411.42 g/mol
Synonyms	Ethyl 4-((4-((2-cyanoethyl)(2-hydroxyethyl)amino)phenyl)azo)-3-nitrobenzoate; C.I. Disperse Red 338; 4-[[4-[(2-Cyanoethyl)(2-hydroxyethyl)amino]phenyl]azo]-3-nitrobenzoic acid ethyl ester; Ethyl 3-nitro-4-[[p-[N-(2-cyanoethyl)-N-(2-hydroxyethyl)amino]phenyl]azo]benzoate; 81367-79-5; Benzoic acid, 4-[[4-[(2-cyanoethyl)(2-hydroxyethyl)amino]phenyl]azo]-3-nitro-, ethyl ester; Ethyl 4-[(4-{[2-cyanoethyl](2-hydroxyethyl)amino}phenyl)diazenyl]-3-nitrobenzoate
EINECS	Contact for details

Quality Control

Our Ethyl 4-[[4-[(2-Cyanoethyl)(2-Hydroxyethyl)Amino]Phenyl]Azo]-3-Nitrobenzoate undergoes rigorous quality testing to ensure compliance with industry standards. Production follows strict in-process controls, and every batch is analyzed to confirm identity, purity, and consistency. Certificates of Analysis (COA) detailing specific batch results are available upon request to support your quality assurance protocols.

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 opaque or stored in dark conditions.

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)	Total impurities ≤ 2.0%

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