Description

Disodium 3,6-Bis[[2-[(Dihydroxyarsino)Oxy]Phenyl]Azo]-4,5-Dihydroxynaphthalene-2,7-Disulphonate is a high-purity, organoarsenic azo dye complex valued for its unique chromophoric and chelating properties. This compound is critical for applications requiring precise colorimetric analysis and selective metal ion binding. It serves as an essential analytical reagent and specialty dye intermediate for research institutions and industrial laboratories operating in the fields of analytical chemistry and advanced materials.

Application

• Analytical Reagent: Used as a sensitive and selective chromogenic agent for the spectrophotometric determination of specific metal ions in environmental and industrial samples.
• Research Chemical: Employed in academic and industrial R&D for studying azo dye chemistry, arsenic-based ligand behavior, and complexation kinetics.
• Specialty Dye Intermediate: Serves as a precursor for synthesizing complex dyes and pigments with specific light-absorption characteristics.
• Chelation Studies: Utilized in investigations of heavy metal sequestration and the development of novel chelating agents.
• Sensor Development: Acts as a key component in the fabrication of optical chemical sensors for detecting trace analytes.
• Histological Staining: Potential application as a specialized stain in biological and histological research for tissue imaging.

Basic Information

Product Name	Disodium 3,6-Bis[[2-[(Dihydroxyarsino)Oxy]Phenyl]Azo]-4,5-Dihydroxynaphthalene-2,7-Disulphonate
CAS No.	84215-47-4
Molecular Formula	C32H20As2N4Na2O16S2
Molecular Weight	956.42 g/mol
Synonyms	Disodium 3,6-bis[(2-(dihydroxyarsino)oxy)phenyl)azo]-4,5-dihydroxy-2,7-naphthalenedisulfonate; Arsenazo-based azo dye; C.I. Mordant Blue 29 (related class); Bis(2-[(dihydroxyarsino)oxy]phenyl)azo derivative; Organoarsenic disulfonate dye; 84215-47-4; 3,6-Bis[[2-[(dihydroxyarsino)oxy]phenyl]azo]-4,5-dihydroxynaphthalene-2,7-disulfonic acid disodium salt
EINECS	Contact for details

Quality Control

Every batch of Disodium 3,6-Bis[[2-[(Dihydroxyarsino)Oxy]Phenyl]Azo]-4,5-Dihydroxynaphthalene-2,7-Disulphonate is manufactured and tested under a strict quality management system. Our products undergo rigorous quality testing, including purity assay and impurity profiling, to ensure compliance with exacting standards for research and analytical applications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and relevant spectroscopic data is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Keep the container tightly sealed to protect from moisture and contamination. Store away from incompatible materials.

Specification

Item	Specification
Appearance	Dark colored powder or solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Water Content	≤ 5.0%
Residue on Ignition	≤ 1.0%
Heavy Metals (as Pb)	≤ 20 ppm
Arsenic Speciation	Confirm organoarsenic structure

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