Description

Disodium 5-[[4-[[[4-[[6-[(4-Aminobenzoyl)Amino]-1-Hydroxy-3-Sulphonato-2-Naphthyl]Azo]Phenyl]Amino]Carbonyl]Phenyl]Azo]Salicylate is a high-purity, water-soluble azo dye intermediate with a complex, multi-functional structure. This compound is valued for its precise chemical architecture, which serves as a critical building block for synthesizing specialized dyes and pigments. It is primarily sought after by manufacturers in the textile, ink, and specialty chemical industries for producing high-performance colorants.

Application

• Primary Intermediate for Azo Dyes: Serves as a key precursor in the synthesis of high-value, complex azo dyes for textiles and leather.
• Specialty Ink Formulations: Used in the production of pigments for inks requiring specific lightfastness and solubility properties.
• Functional Dye Synthesis: A building block for dyes used in biological staining, sensors, or other high-tech applications.
• Research & Development: Employed in chemical R&D for developing novel chromophores and studying structure-property relationships.
• Polymer Colorants: Can be incorporated into polymer systems to impart color during material synthesis.

Basic Information

Item	Details
Product Name	Disodium 5-[[4-[[[4-[[6-[(4-Aminobenzoyl)Amino]-1-Hydroxy-3-Sulphonato-2-Naphthyl]Azo]Phenyl]Amino]Carbonyl]Phenyl]Azo]Salicylate
CAS No.	6661-26-3
Molecular Formula	C37H24N6Na2O10S
Molecular Weight	790.66 g/mol
Synonyms	Acid Yellow 219; C.I. 13915; Disodium 5-[(4-{[(4-{[6-[(4-Aminobenzoyl)amino]-1-hydroxy-3-sulphonato-2-naphthyl]azo}phenyl)carbamoyl]phenyl}azo)salicylate; 5-[(4-{[(4-{[6-[(4-Aminobenzoyl)amino]-1-hydroxy-3-sulphonato-2-naphthyl]azo}phenyl)carbamoyl]phenyl}azo)salicylic acid disodium salt; C.I. Acid Yellow 219; Azo dye intermediate 6661-26-3
EINECS	Contact for details

Quality Control

Our production of Disodium 5-[[4-[[[4-[[6-[(4-Aminobenzoyl)Amino]-1-Hydroxy-3-Sulphonato-2-Naphthyl]Azo]Phenyl]Amino]Carbonyl]Phenyl]Azo]Salicylate adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure consistent performance and reliability for your synthesis processes. Certificates of Analysis (COA) detailing all specifications are provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is light-sensitive and hygroscopic; minimize exposure to moisture and direct light during handling to maintain stability.

Specification

Item	Specification
Appearance	Yellow to orange-brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
Solubility (1% in Water)	Clear 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.