Description

5-[[4-[[[4-[[8-Amino-1-Hydroxy-7-[(4-Nitrophenyl)Azo]-3,6-Disulpho-2-Naphthyl]Azo]Phenyl]Amino]Carbonyl]Phenyl]Azo]Salicylic Acid is a complex, high-purity azo dye intermediate with a polyfunctional structure. This compound matters for its role as a critical precursor in synthesizing specialized dyes and pigments, offering precise color properties and structural integrity. It is primarily needed by manufacturers in the fine chemicals, advanced dye, and specialty pigment industries for research and production.

Application

• Primary Intermediate for the synthesis of high-performance, polyazo acid dyes and reactive dyes.
• Key Precursor in the manufacture of specialized pigments for inks, coatings, and plastics requiring specific color fastness and stability.
• Research & Development chemical for exploring novel chromophores and dye structures in academic and industrial laboratories.
• Textile Dye Manufacturing, particularly for dyes targeting natural and synthetic fibers where complex molecular structures enhance performance.
• Analytical Chemistry as a standard or reference material for chromatographic and spectroscopic methods.
• Specialty Chemical Synthesis for creating functional materials where the azo and sulphonic acid groups are utilized for further chemical modification.

Basic Information

Product Name	5-[[4-[[[4-[[8-Amino-1-Hydroxy-7-[(4-Nitrophenyl)Azo]-3,6-Disulpho-2-Naphthyl]Azo]Phenyl]Amino]Carbonyl]Phenyl]Azo]Salicylic Acid
CAS No.	56918-93-5
Molecular Formula	C41H26N8O12S2
Molecular Weight	886.82 g/mol
Synonyms	Salicylic acid, 5-[[4-[[[4-[[8-amino-1-hydroxy-7-[(4-nitrophenyl)azo]-3,6-disulfo-2-naphthyl]azo]phenyl]amino]carbonyl]phenyl]azo]-; CI 27290; Acid Black 210; 5-[(4-{[(4-{[8-Amino-1-hydroxy-7-(4-nitrophenylazo)-3,6-disulfo-2-naphthyl]azo}phenyl)carbamoyl]phenyl}azo)salicylic acid; 56918-93-5; Azo dye intermediate 56918-93-5
EINECS	Contact for details

Quality Control

Our production of this advanced intermediate adheres to strict quality control protocols to ensure batch-to-batch consistency and high purity. Quality is verified through modern analytical techniques including HPLC, UV-Vis, and FTIR. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment 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 sealed to minimize exposure to atmospheric humidity.

Specification

Item	Specification
Appearance	Dark colored powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Sulphated 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.