Description

2,2'-Dihydroxy-[1,1'-Binaphthalene]-6,6'-Disulfonic Acid Sodium Salt is a high-purity, water-soluble binaphthyl derivative with significant chelating and chiral properties. This compound is valued for its role as a key intermediate and ligand in advanced chemical synthesis and analytical applications. It is primarily sought by manufacturers and researchers in the pharmaceutical, agrochemical, and specialty chemical industries for developing catalysts, sensors, and complexing agents.

Application

• Chiral Ligand & Catalyst Synthesis: A crucial building block for creating BINOL-derived ligands used in asymmetric catalysis for pharmaceutical and fine chemical production.
• Analytical Chemistry & Chelation: Functions as a selective complexing agent in spectrophotometric analysis and metal ion detection due to its sulfonic acid groups.
• Pharmaceutical Intermediates: Serves as a sophisticated intermediate in the synthesis of active pharmaceutical ingredients (APIs) and diagnostic agents.
• Polymer & Material Science: Used in the development of functional polymers, advanced resins, and materials with specific optical or binding properties.
• Research & Development: Employed in academic and industrial R&D for exploring new catalytic systems and molecular recognition technologies.

Basic Information

Product Name	2,2'-Dihydroxy-[1,1'-Binaphthalene]-6,6'-Disulfonic Acid Sodium Salt
CAS No.	920009-93-4
Molecular Formula	C₂₀H₁₂Na₂O₈S₂
Molecular Weight	498.40 g/mol
Synonyms	6,6'-Dihydroxy-2,2'-binaphthalene-6,6'-disulfonic Acid Disodium Salt; BINOL-6,6'-disulfonic Acid Sodium Salt; 1,1'-Binaphthalene-2,2'-diol-6,6'-disulfonic Acid Disodium Salt; 6,6'-Disulfo-2,2'-dihydroxy-1,1'-binaphthyl Disodium Salt; (R)-(+)-1,1'-Bi-2-naphthol-6,6'-disulfonic Acid Disodium Salt; (S)-(-)-1,1'-Bi-2-naphthol-6,6'-disulfonic Acid Disodium Salt; BINOL-Disulfonate Na Salt
EINECS	Contact for details

Quality Control

Our 2,2'-Dihydroxy-[1,1'-Binaphthalene]-6,6'-Disulfonic Acid Sodium Salt is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting standards for research and industrial use. Certificates of Analysis (COA) detailing purity, assay, and impurity profiles are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	Yellow to light brown powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Water Content	≤ 5.0%
Heavy Metals	≤ 20 ppm
Residue on Ignition	≤ 1.0%

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