Description

5-[[4-[[[4-[[2,6-Diamino-3-Methyl-5-[(4-Sulphophenyl)Azo]Phenyl]Azo]Phenyl]Amino]Carbonyl]Phenyl]Azo]Salicylic Acid is a complex, high-purity azo dye intermediate with a defined chemical structure. This compound matters for its role as a critical precursor in the synthesis of specialized dyes and pigments, offering precise color properties and structural integrity. It is primarily needed by manufacturers in the dye and pigment, textile, and specialty chemical industries for producing high-performance colorants.

Application

• Primary Intermediate for Azo Dyes: Serves as a key building block in the synthesis of high-value, complex azo dyes for textiles and leather.
• Specialty Pigment Manufacturing: Used in the production of pigments for inks, coatings, and plastics requiring specific color fastness and stability.
• Research & Development: Employed in chemical R&D for developing novel chromophores and functional dyes with tailored properties.
• Analytical Chemistry: Can be utilized as a standard or reagent in analytical methods for dye analysis and quality control.
• Functional Material Synthesis: Potential use in the creation of advanced materials where the azo group's photochromic properties are leveraged.

Basic Information

Item	Details
Product Name	5-[[4-[[[4-[[2,6-Diamino-3-Methyl-5-[(4-Sulphophenyl)Azo]Phenyl]Azo]Phenyl]Amino]Carbonyl]Phenyl]Azo]Salicylic Acid
CAS No.	56918-92-4
Molecular Formula	C33H26N8O6S
Molecular Weight	662.67 g/mol
Synonyms	Acid Red 337; C.I. 17200; 5-[[4-[[[4-[[2,6-Diamino-3-methyl-5-[(4-sulfophenyl)azo]phenyl]azo]phenyl]amino]carbonyl]phenyl]azo]salicylic acid; Salicylic acid, 5-[[4-[[[4-[[2,6-diamino-3-methyl-5-[(4-sulfophenyl)azo]phenyl]azo]phenyl]amino]carbonyl]phenyl]azo]-; Azo dye intermediate 56918-92-4; C.I. Acid Red 337
EINECS	Contact for details

Quality Control

Our production of 5-[[4-[[[4-[[2,6-Diamino-3-Methyl-5-[(4-Sulphophenyl)Azo]Phenyl]Azo]Phenyl]Amino]Carbonyl]Phenyl]Azo]Salicylic Acid adheres to stringent quality management protocols. Each batch undergoes rigorous analytical testing to ensure high purity, consistent chemical structure, and compliance with agreed-upon specifications. Comprehensive Certificates of Analysis (COA) detailing identity, assay, and impurity profiles are provided to guarantee supply reliability and product traceability for your manufacturing processes.

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 strong oxidizing agents and incompatible materials. Due to its complex organic structure, prolonged exposure to elevated temperatures or humidity should be avoided to maintain stability.

Specification

Item	Specification
Appearance	Dark red to brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Sulfated Ash	≤ 1.0%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Total impurities ≤ 3.0%

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