Description

4-[[2-Bromo-4-(Vinylsulphonyl)Phenyl]Azo]-n-Phenylaniline is a specialized reactive dye intermediate of significant commercial importance. Its core value lies in its unique molecular structure, which incorporates both a vinylsulphonyl reactive group and an azo chromophore, enabling the production of high-performance, colorfast dyes. This compound is essential for manufacturers in the textile and specialty chemical industries seeking to develop vibrant, durable reactive dyes for fibers like cotton and nylon.

Application

• Primary Intermediate for Reactive Dyes: Serves as a key building block in the synthesis of high-quality reactive dyes, particularly for cellulose fibers such as cotton, viscose, and linen.
• Textile Coloration: Used to produce dyes that form covalent bonds with fiber molecules, resulting in excellent wash-fastness, light-fastness, and brilliant shades.
• Specialty Pigment Synthesis: Can be utilized in the development of specialized pigments and colorants for niche applications requiring specific color properties.
• Research & Development: Employed in chemical R&D laboratories for creating novel dye structures and studying azo dye chemistry and reactivity.
• Industrial Ink Formulation: Potential use in formulating inks where high stability and specific color tones are required.

Basic Information

Product Name	4-[[2-Bromo-4-(Vinylsulphonyl)Phenyl]Azo]-n-Phenylaniline
CAS No.	94200-37-0
Molecular Formula	C20H15BrN4O2S
Molecular Weight	455.33 g/mol
Synonyms	4-[(2-Bromo-4-(vinylsulfonyl)phenyl)azo]-N-phenylaniline; 2-Bromo-4-((4-(phenylamino)phenyl)azo)benzenesulfonylethylene; Reactive Dye Intermediate 94200-37-0; 1-[[2-Bromo-4-(Ethenylsulfonyl)Phenyl]Azo]-4-Phenylaminobenzene; 4-[(2-Bromo-4-(vinylsulfonyl)phenyl)diazenyl]-N-phenylaniline; C.I. Reactive Red 198 Intermediate; Vinylsulphone Azo Dye Intermediate; BR-VS Phenylaniline Azo Compound
EINECS	Contact for details

Quality Control

Our production of 4-[[2-Bromo-4-(Vinylsulphonyl)Phenyl]Azo]-n-Phenylaniline adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC for assay and purity, and is supplied with a corresponding Certificate of Analysis (COA). We are committed to meeting the specific quality standards required by our global partners in the dye manufacturing industry.

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	Dark red to brown powder or crystals
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Heavy Metals	≤ 20 ppm

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