Description

2,4-Bis[[2,6-Dihydroxy-3-[(4-Nitrophenyl)Azo]Phenyl]Azo]Benzenesulfonic Acid Sodium Salt is a high-purity, synthetic azo dye intermediate of significant commercial importance. Its complex molecular structure, featuring multiple azo linkages and sulfonate groups, makes it a critical precursor for producing specialized dyes and pigments. This compound is essential for manufacturers in the colorant industry seeking to develop products with specific chromatic properties and enhanced application performance.

Application

This specialized azo compound serves as a key building block in the synthesis of advanced colorants. Its primary and related applications include:

• Precursor for High-Performance Dyes: Synthesis of complex azo dyes for textiles, leather, and paper.
• Specialty Pigment Manufacturing: Production of organic pigments used in inks, coatings, and plastics requiring specific color fastness and stability.
• Research & Development: Serving as a standard or intermediate in chemical research for developing new chromophores and functional dyes.
• Analytical Reagent: Potential use as a staining agent or colorimetric indicator in specialized laboratory analyses.
• Functional Material Synthesis: Exploration in creating materials for non-linear optics or as a ligand in metal-complex dyes.

Basic Information

Product Name	2,4-Bis[[2,6-Dihydroxy-3-[(4-Nitrophenyl)Azo]Phenyl]Azo]Benzenesulfonic Acid Sodium Salt
CAS No.	6473-04-7
Molecular Formula	C36H22N8Na2O13S
Molecular Weight	884.73 g/mol
Synonyms	Sodium 2,4-bis[[2,6-dihydroxy-3-[(4-nitrophenyl)azo]phenyl]azo]benzenesulfonate; Benzenesulfonic acid, 2,4-bis[[2,6-dihydroxy-3-[(4-nitrophenyl)azo]phenyl]azo]-, sodium salt (1:2); C.I. 27290; Acid Black 107 (related class); 2,4-Bis[(2,6-dihydroxy-3-((4-nitrophenyl)azo)phenyl)azo]benzenesulfonic acid disodium salt; Disodium 5-[[4-[(2,6-dihydroxy-3-[(4-nitrophenyl)azo]phenyl)azo]-3-sulfonatophenyl]azo]-2-hydroxy-3-[(4-nitrophenyl)azo]benzoate (tautomeric form)
EINECS	Contact for details

Quality Control

Our production of 2,4-Bis[[2,6-Dihydroxy-3-[(4-Nitrophenyl)Azo]Phenyl]Azo]Benzenesulfonic Acid Sodium Salt adheres to a stringent quality management system. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure consistent composition and performance as a dye intermediate. A detailed Certificate of Analysis (COA) specifying batch-specific results is provided with each shipment to guarantee traceability and support your quality assurance protocols.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent absorption of atmospheric moisture, which can affect product quality.

Specification

Item	Specification
Appearance	Dark brown to black powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Sulfated Ash	Contact for details
Heavy Metals (as Pb)	≤ 20 ppm
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.