Description

5-[[4-(Methylamino)Phenyl]Azo]-2-[2-(4-Nitro-2-Sulphophenyl)Vinyl]Benzenesulphonic Acid is a specialized azo dye intermediate known for its complex molecular structure, which imparts valuable chromophoric properties. This compound is critical for synthesizing high-performance dyes and pigments with specific light-fastness and color intensity. It is primarily required by manufacturers in the textile, ink, and specialty chemical industries seeking to develop advanced colorants.

Application

• Key intermediate for the synthesis of azo disperse dyes and reactive dyes used in textile coloring.
• Precursor in the manufacturing of high-performance pigments for inks and coatings.
• Used in research and development of functional dyes for optical and electronic applications.
• Potential component in the formulation of indicator dyes for analytical chemistry.
• Employed in the production of specialty colorants for plastics and polymers.

Basic Information

Product Name	5-[[4-(Methylamino)Phenyl]Azo]-2-[2-(4-Nitro-2-Sulphophenyl)Vinyl]Benzenesulphonic Acid
CAS No.	42986-15-2
Molecular Formula	C21H18N4O8S2
Molecular Weight	518.52 g/mol
Synonyms	Benzenesulfonic acid, 5-[[4-(methylamino)phenyl]azo]-2-[2-(4-nitro-2-sulfophenyl)ethenyl]-; 5-[(4-Methylaminophenyl)azo]-2-styrylbenzenesulfonic acid derivative; Azo dye intermediate 42986-15-2; 2-[2-(4-Nitro-2-sulfophenyl)vinyl]-5-[(4-methylaminophenyl)azo]benzenesulfonic acid; CI 26050 (related class); Disperse dye intermediate; Vinyl sulfonated azo compound
EINECS	Contact for details

Quality Control

Our production of this advanced intermediate adheres to strict quality management systems. Every batch is analyzed to ensure consistent purity and performance characteristics suitable for sensitive dye synthesis. A comprehensive Certificate of Analysis (COA) detailing identity, assay, and impurity profiles is provided with each shipment to guarantee traceability and compliance with your specifications.

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 sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Orange to brown powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Sulfated Ash	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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