Description

Disodium 5-[[4-[[[4-[[2,6-Diamino-3-Methyl-5-[(4-Sulphonatophenyl)Azo]Phenyl]Azo]Phenyl]Amino]Carbonyl]Phenyl]Azo]Salicylate is a high-purity, water-soluble azo dye intermediate of significant commercial importance. This compound is valued for its role in synthesizing specialized dyes and pigments with excellent color fastness and stability. It is primarily required by manufacturers in the textile, ink, and specialty coatings industries for producing high-performance colorants.

Application

• Primary Intermediate for Reactive Dyes: A key building block in the synthesis of reactive dyes for cotton and other cellulose fibers.
• Specialty Pigment Manufacturing: Used in the production of high-grade pigments for industrial inks and coatings.
• Textile Colorant Synthesis: Essential for creating specific, vibrant shades with good wash and light fastness in textile processing.
• Research & Development: Serves as a precise chemical entity for R&D in novel dye chemistry and material science applications.
• Functional Dye Production: Potential use in the development of functional dyes for non-textile applications, including sensors or optical materials.

Basic Information

Item	Details
Product Name	Disodium 5-[[4-[[[4-[[2,6-Diamino-3-Methyl-5-[(4-Sulphonatophenyl)Azo]Phenyl]Azo]Phenyl]Amino]Carbonyl]Phenyl]Azo]Salicylate
CAS No.	72829-12-0
Molecular Formula	C33H24N8Na2O8S
Molecular Weight	722.64 g/mol
Synonyms	Acid Red 337; C.I. 17210; Disodium 6-hydroxy-5-[[4-[[4-[(2,6-diamino-3-methyl-5-[(4-sulfophenyl)azo]phenyl)azo]phenyl]carbamoyl]phenyl]azo]benzoate; Benzoic acid, 5-[[4-[[[4-[[2,6-diamino-3-methyl-5-[(4-sulfophenyl)azo]phenyl]azo]phenyl]amino]carbonyl]phenyl]azo]-2-hydroxy-, disodium salt; 72829-12-0; Azo dye intermediate 72829-12-0; Disodium salicylate azo dye
EINECS	Contact for details

Quality Control

Our production of this dye intermediate adheres to strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise customer specifications. A detailed Certificate of Analysis (COA) is provided with each shipment, guaranteeing traceability and consistent quality 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 incompatible materials. Due to its light-sensitive nature, prolonged exposure to direct light should be avoided.

Specification

Item	Specification
Appearance	Dark red to brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content	≤ 5.0%
Solubility (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.