Description

5-[(4-Amino-1-Naphthyl)Azo]-2-Anilinobenzenesulphonic Acid is a specialized azo dye intermediate of significant commercial importance. This compound serves as a critical precursor in the synthesis of high-value, complex dyes and pigments, enabling the production of vibrant and stable colors. It is primarily required by manufacturers in the textile, ink, and specialty chemical industries seeking to develop advanced coloring agents with specific performance characteristics.

Application

• Primary Intermediate for Azo Dyes: Key building block for synthesizing complex, high-performance azo dyes used in textile coloring.
• Pigment Manufacturing: Used in the production of organic pigments for inks, paints, and coatings, providing excellent color strength.
• Specialty Chemical Synthesis: Serves as a versatile intermediate in the research and development of novel chromophores and functional dyes.
• Analytical Reagent: Potential use as a staining agent or colorimetric indicator in specific laboratory and diagnostic applications.
• Functional Material Development: Investigated for use in advanced materials where specific light-absorbing properties are required.

Basic Information

Product Name	5-[(4-Amino-1-Naphthyl)Azo]-2-Anilinobenzenesulphonic Acid
CAS No.	54363-79-0
Molecular Formula	C22H17N5O3S
Molecular Weight	431.47 g/mol
Synonyms	5-[(4-Amino-1-naphthyl)azo]-2-anilinobenzenesulfonic acid; 2-Anilino-5-[(4-amino-1-naphthyl)azo]benzenesulfonic acid; C.I. 37190; Acid Black 107; Benzenesulfonic acid, 5-[(4-amino-1-naphthyl)azo]-2-anilino-; 4-Amino-1-(4-sulfo-2-anilinophenyl)azo]naphthalene
EINECS	Contact for details

Quality Control

Our 5-[(4-Amino-1-Naphthyl)Azo]-2-Anilinobenzenesulphonic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation (IR), to ensure it meets precise customer specifications and industry standards. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment.

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 incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	Dark brown to black powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Sulfated Ash	≤ 1.0%
Heavy Metals (as Pb)	≤ 20 ppm

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