Description

2-[4-[1-(2-Phosphonoethyl)Pyridin-1-Ium-4-Yl]Pyridin-1-Ium-1-Yl]Ethylphosphonic Acid,Dichloride is a high-purity, diphosphonic acid-functionalized bipyridinium salt, valued for its strong chelating properties and cationic nature. This compound is critical for applications requiring robust metal ion sequestration, surface modification, and as a specialized intermediate in advanced material synthesis. It is primarily sought by researchers and manufacturers in the fields of coordination chemistry, scale inhibition, and specialty polymer production.

Application

• Scale and Corrosion Inhibitor Intermediate: Serves as a key precursor for formulating high-performance water treatment chemicals in industrial cooling and boiler systems.
• Metal Chelation and Sequestration: Used in analytical chemistry and industrial processes for the selective binding and removal of di- and trivalent metal ions.
• Surface Functionalization Agent: Employed to modify material surfaces (e.g., metals, oxides) by introducing phosphonate groups for improved adhesion, wettability, or anti-fouling properties.
• Specialty Polymer Synthesis: Acts as a monomer or cross-linking agent for creating polymers with enhanced thermal stability, flame retardancy, or ionic conductivity.
• Catalysis and Ligand Synthesis: Utilized in the development of novel catalysts and complexing ligands for homogeneous catalysis and metal recovery processes.
• Pharmaceutical and Agrochemical Intermediates: Functions as a building block in the synthesis of bioactive molecules, including potential pharmaceuticals and crop protection agents.

Basic Information

Item	Details
Product Name	2-[4-[1-(2-Phosphonoethyl)Pyridin-1-Ium-4-Yl]Pyridin-1-Ium-1-Yl]Ethylphosphonic Acid,Dichloride
CAS No.	151538-79-3
Molecular Formula	C₁₄H₂₀Cl₂N₂O₆P₂
Molecular Weight	453.17 g/mol
Synonyms	1,1'-(1,2-Ethanediyl)bis[4-(2-phosphonoethyl)pyridinium] dichloride; BPPED; 4,4'-Bis(2-phosphonoethyl)-1,1'-ethylenedipyridinium dichloride; Viologen diphosphonate derivative; Ethylene-bridged bipyridinium bisphosphonate salt; Contact for details on additional trade names.
EINECS	Contact for details

Quality Control

Our production of 2-[4-[1-(2-Phosphonoethyl)Pyridin-1-Ium-4-Yl]Pyridin-1-Ium-1-Yl]Ethylphosphonic Acid,Dichloride adheres to stringent internal quality protocols to ensure batch-to-batch consistency and high purity. All materials are characterized by advanced analytical techniques, including NMR and HPLC. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to support your quality assurance and regulatory needs.

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 after opening to minimize exposure to atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
Chloride Content (Titration)	Conforms
Heavy Metals (as Pb)	< 20 ppm

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