Description

Benzene-1,4-Diphosphonic Acid is a specialized organophosphorus compound featuring two phosphonic acid groups attached to a benzene ring in the para position. This unique structure makes it a valuable chelating agent and intermediate for synthesizing metal-organic frameworks (MOFs), functional polymers, and corrosion inhibitors. It is essential for researchers and manufacturers in the fields of materials science, catalysis, and specialty chemical production who require precise molecular building blocks for advanced applications.

Application

• Metal-Organic Framework (MOF) Synthesis: Serves as a versatile organic linker for constructing porous coordination polymers with tailored properties for gas storage, separation, and catalysis.
• Corrosion Inhibition: Used in formulations for industrial water treatment and metal surface protection, where its strong chelating ability stabilizes metal ions and prevents scale formation.
• Polymer Modification: Acts as a monomer or additive to introduce phosphonate functionality into polymers, enhancing flame retardancy, adhesion to metal surfaces, and thermal stability.
• Catalyst and Ligand Preparation: Employed in the synthesis of homogeneous catalysts and complexing agents for metal ion separation and recovery processes.
• Pharmaceutical Intermediates: Utilized in research for developing novel bioactive molecules, including bisphosphonate analogs.
• Surface Treatment Agents: Applied in the preparation of self-assembled monolayers (SAMs) on metal oxide surfaces for sensor technology and nanotechnology.

Basic Information

Product Name	Benzene-1,4-Diphosphonic Acid
CAS No.	37451-80-2
Molecular Formula	C6H8O6P2
Molecular Weight	238.07 g/mol
Synonyms	1,4-Benzenediphosphonic Acid; p-Phenylenediphosphonic Acid; Terephthalic Acid Diphosphonic Acid Analog; P,P'-(1,4-Phenylene)bisphosphonic Acid; 1,4-Phenylenebis(phosphonic Acid); BDPA; Benzene-1,4-bis(phosphonic Acid); 37451-80-2
EINECS	Contact for details

Quality Control

Our Benzene-1,4-Diphosphonic Acid is produced under stringent quality management protocols. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with key parameters including assay, impurity profile, and physical characterization. Our quality commitment ensures the material is suitable for demanding research and industrial applications.

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). This product is hygroscopic (moisture-sensitive). Keep the container tightly sealed to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 2.0%
Melting Point	Contact for details
Heavy Metals (as Pb)	≤ 20 ppm

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