Description

Disodium 5-[[4-[[[4-[[6-(Benzoylamino)-1-Hydroxy-3-Sulphonato-2-Naphthyl]Azo]Phenyl]Amino]Carbonyl]Phenyl]Azo]Salicylate is a high-purity, water-soluble azo dye intermediate and specialty chemical. This compound is valued for its precise molecular structure, which provides excellent chromophoric properties and stability for demanding synthesis applications. It is primarily utilized by manufacturers in the production of advanced dyes, pigments, and colorants for textiles, inks, and specialty coatings.

Application

• Primary Intermediate for Azo Dyes: Serves as a key building block in the synthesis of high-performance, complex azo dyes for textile and industrial applications.
• Specialty Pigment Manufacturing: Used in the production of pigments requiring specific color strength, lightfastness, and solubility characteristics.
• Functional Colorant for Inks: Employed in the formulation of specialized printing inks, including those for security or high-durability purposes.
• Research & Development: A valuable compound for chemical R&D in organic synthesis, dye chemistry, and material science projects.
• Analytical Reagent: Can be used as a standard or reagent in analytical chemistry and quality control laboratories for dye analysis.

Basic Information

Item	Detail
Product Name	Disodium 5-[[4-[[[4-[[6-(Benzoylamino)-1-Hydroxy-3-Sulphonato-2-Naphthyl]Azo]Phenyl]Amino]Carbonyl]Phenyl]Azo]Salicylate
CAS No.	79135-91-4
Molecular Formula	C40H26N6Na2O10S
Molecular Weight	828.71 g/mol
Synonyms	Disodium 5-[(4-{[(4-{[6-(Benzoylamino)-1-hydroxy-3-sulphonato-2-naphthyl]azo}phenyl)carbamoyl]phenyl}azo)salicylate; C.I. Acid Yellow 220; Acid Yellow 220; Azo dye intermediate 79135-91-4; 5-[[4-[[[4-[[6-(Benzoylamino)-1-Hydroxy-3-Sulphonato-2-Naphthyl]Azo]Phenyl]Amino]Carbonyl]Phenyl]Azo]Salicylic Acid Disodium Salt; Salicylic acid, 5-[[4-[[[4-[[6-(benzoylamino)-1-hydroxy-3-sulfo-2-naphthalenyl]azo]phenyl]amino]carbonyl]phenyl]azo]-, disodium salt
EINECS	Contact for details

Quality Control

Our production of Disodium 5-[[4-[[[4-[[6-(Benzoylamino)-1-Hydroxy-3-Sulphonato-2-Naphthyl]Azo]Phenyl]Amino]Carbonyl]Phenyl]Azo]Salicylate adheres to stringent quality management protocols. Every batch undergoes rigorous analytical testing to ensure high purity, consistent composition, and batch-to-batch reliability. Certificates of Analysis (COA) documenting key parameters such as assay, impurity profile, and identification are available upon request 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 room temperature (15-25°C). Keep the container tightly sealed to protect from moisture. Observe standard laboratory safety practices for handling fine chemical powders.

Specification

Item	Specification
Appearance	Yellow to orange-brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content	≤ 5.0%
Solubility (1% in Water)	Clear, yellow solution
Heavy Metals (as Pb)	≤ 20 ppm

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