Description

3-Chloro-n-(2-Chloroethyl)-4-[[4-[(2-Hydroxyethyl)Amino]-1-Naphthyl]Azo]Benzenesulphonamide is a specialized azo dye intermediate of significant commercial importance. This compound is valued for its role in synthesizing high-performance dyes and pigments, offering critical chromophoric and auxochromic properties. It is primarily required by manufacturers in the textile, ink, and specialty chemical industries for producing colorants with specific fastness and hue characteristics.

Application

• Dye Intermediate: A key precursor in the synthesis of reactive and disperse dyes for textile fibers, particularly polyesters and nylons.
• Pigment Manufacturing: Used in the production of organic pigments for inks, coatings, and plastics, where color stability is paramount.
• Research & Development: Serves as a building block in chemical research for developing novel chromophores and functional materials.
• Specialty Chemical Synthesis: Employed in the preparation of more complex sulfonamide-based compounds for various industrial applications.

Basic Information

Item	Details
Product Name	3-Chloro-n-(2-Chloroethyl)-4-[[4-[(2-Hydroxyethyl)Amino]-1-Naphthyl]Azo]Benzenesulphonamide
CAS No.	70865-33-7
Molecular Formula	C20H19Cl2N5O3S
Molecular Weight	480.37 g/mol
Synonyms	3-Chloro-4-[[4-[(2-hydroxyethyl)amino]-1-naphthalenyl]azo]-N-(2-chloroethyl)benzenesulfonamide; C.I. Disperse Red 277; Disperse Red 277; Benzenesulfonamide, 3-chloro-4-[[4-[(2-hydroxyethyl)amino]-1-naphthalenyl]azo]-N-(2-chloroethyl)-; 1-Naphthalenamine, 4-[[2-chloro-4-[[(2-chloroethyl)amino]sulfonyl]phenyl]azo]-N-(2-hydroxyethyl)-; C.I. 113217
EINECS	Contact for details

Quality Control

Our production of 3-Chloro-n-(2-Chloroethyl)-4-[[4-[(2-Hydroxyethyl)Amino]-1-Naphthyl]Azo]Benzenesulphonamide adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency meet the high standards required for dye intermediate applications. Certificates of Analysis (COA) documenting key parameters are available upon request 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 a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Dark red to brown powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Heavy Metals	≤ 20 ppm
Related Substances (HPLC)	Total impurities ≤ 5.0%

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