Description

2-[[1-Hydroxy-6-[[[[5-Hydroxy-6-[(2-Hydroxy-5-Nitrophenyl)Azo]-7-Sulfo-2-Naphtyl]Amino]Carbonyl]Amino]-3-Sulfo-2-Naphtyl]Azo]Benzoic Acid Trisodium Salt is a high-purity, water-soluble azo dye intermediate of significant commercial importance. Its complex polyfunctional structure, featuring multiple sulfonate groups and azo linkages, makes it a critical precursor for synthesizing specialized dyes and pigments. This compound is essential for manufacturers in the colorant industry seeking to produce vivid, lightfast, and chemically stable shades, particularly in applications demanding high-performance characteristics.

Application

• Primary Intermediate for Reactive Dyes: A key building block in the synthesis of high-grade reactive dyes for the textile industry, especially for dyeing cotton, wool, and nylon.
• Specialty Pigment Manufacturing: Used in the production of high-performance organic pigments for inks, coatings, and plastics where color strength and durability are paramount.
• Functional Dye Synthesis: Serves as a precursor for dyes used in specialized applications such as laser marking, optical data storage, and non-impact printing.
• Research & Development: Employed in chemical R&D for developing novel chromophores and studying structure-property relationships in dye chemistry.
• Analytical Chemistry: Can be utilized as a complexometric indicator or a staining agent in specific analytical and biological staining protocols.

Basic Information

Product Name	2-[[1-Hydroxy-6-[[[[5-Hydroxy-6-[(2-Hydroxy-5-Nitrophenyl)Azo]-7-Sulfo-2-Naphtyl]Amino]Carbonyl]Amino]-3-Sulfo-2-Naphtyl]Azo]Benzoic Acid Trisodium Salt
CAS No.	82944-45-4
Molecular Formula	C34H20N6O14S2 · 3Na
Molecular Weight	Contact for details
Synonyms	Benzoic acid, 2-[[1-hydroxy-6-[[[[5-hydroxy-6-[(2-hydroxy-5-nitrophenyl)azo]-7-sulfo-2-naphthalenyl]amino]carbonyl]amino]-3-sulfo-2-naphthalenyl]azo]-, trisodium salt; Trisodium 2-[(1-hydroxy-6-{[(5-hydroxy-6-[(2-hydroxy-5-nitrophenyl)diazenyl]-7-sulfonato-2-naphthyl)carbamoyl]amino}-3-sulfonato-2-naphthyl)diazenyl]benzoate; Azo dye intermediate 82944-45-4; CI 27290 (related); Reactive dye intermediate; Polyazo dye precursor.
EINECS	Contact for details

Quality Control

Our production of 2-[[1-Hydroxy-6-[[[[5-Hydroxy-6-[(2-Hydroxy-5-Nitrophenyl)Azo]-7-Sulfo-2-Naphtyl]Amino]Carbonyl]Amino]-3-Sulfo-2-Naphtyl]Azo]Benzoic Acid Trisodium Salt adheres to a stringent quality management system. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure consistent performance and batch-to-batch reliability for your synthesis processes. Certificates of Analysis (COA) detailing purity, impurity profile, and other critical parameters are available upon request.

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 hygroscopic (moisture-sensitive). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Dark brown to reddish-brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	Min. 95%
Water Content	Max. 5.0%
Sulfated Ash	Contact for details
Solubility (1% in Water)	Complete, clear solution

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