Description

2,5-Dichloro-4-[[4-[(2-Cyanoethyl)ethylamino]phenyl]azo]-N,N-dimethylbenzenesulphonamide is a specialized azo dye intermediate of significant commercial importance. Its precise molecular structure enables the synthesis of high-performance dyes and pigments with specific coloristic properties. This compound is primarily required by manufacturers in the textile, ink, and specialty chemical industries for producing vibrant and stable colorants.

Application

• Primary Intermediate for Azo Dyes: Serves as a key building block in the synthesis of disperse dyes and other azo-based colorants.
• Textile Dyeing: Used in the production of dyes for synthetic fibers like polyester and nylon, offering good wash and light fastness.
• Ink Manufacturing: Employed in formulating pigments for inks used in printing and packaging applications.
• Specialty Pigments: Acts as a precursor for creating high-value, performance-oriented pigments for plastics and coatings.
• Research & Development: Utilized in chemical R&D for developing novel chromophores and studying structure-property relationships in dye chemistry.
• Analytical Chemistry: Can be used as a standard or reagent in chromatographic analysis and method development for dye-related compounds.

Basic Information

Item	Details
Product Name	2,5-Dichloro-4-[[4-[(2-Cyanoethyl)ethylamino]phenyl]azo]-N,N-dimethylbenzenesulphonamide
CAS No.	64501-19-5
Molecular Formula	C19H21Cl2N5O2S
Molecular Weight	454.37 g/mol
Synonyms	2,5-Dichloro-4-{[4-(N-ethyl-N-2-cyanoethylamino)phenyl]azo}-N,N-dimethylbenzenesulfonamide; C.I. Disperse Blue 354; Disperse Blue 354; 4-[[4-[(2-Cyanoethyl)ethylamino]phenyl]azo]-2,5-dichloro-N,N-dimethylbenzenesulfonamide; NSC 403116; Benzenesulfonamide, 2,5-dichloro-4-[[4-[(2-cyanoethyl)ethylamino]phenyl]azo]-N,N-dimethyl-; 64501-19-5 (CAS)
EINECS	Contact for details

Quality Control

Our production of 2,5-Dichloro-4-[[4-[(2-Cyanoethyl)ethylamino]phenyl]azo]-N,N-dimethylbenzenesulphonamide adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure consistency and meet precise customer specifications. Certificates of Analysis (COA) documenting all critical parameters are provided as standard.

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, containers should be opaque or stored in dark conditions to maintain product integrity.

Specification

Item	Specification
Appearance	Dark blue to violet powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Heavy Metals	≤ 20 ppm
Residual Solvents	Meets ICH guidelines

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