Description

3-Carboxyphenylphosphonic Acid is a versatile bifunctional organic compound that combines a carboxylic acid and a phosphonic acid group on a benzene ring, making it a valuable building block for advanced materials. This unique structure allows it to act as a robust anchoring and functionalization agent, crucial for creating stable interfaces in demanding applications. It is primarily sought after by manufacturers and researchers in the electronics, nanotechnology, and specialty chemical synthesis sectors.

Application

• Surface Modification and Self-Assembled Monolayers (SAMs): Widely used to functionalize metal oxide surfaces (e.g., ITO, TiO2, ZnO) for improved adhesion, corrosion resistance, and tailored surface energy in electronic devices.
• Organic Electronics: Serves as an interfacial layer in organic light-emitting diodes (OLEDs), perovskite solar cells, and organic photovoltaics (OPVs) to enhance charge injection and device stability.
• Metal-Organic Frameworks (MOFs): Acts as a linker molecule in the synthesis of novel MOFs for gas storage, separation, and catalysis.
• Corrosion Inhibition: Used as an effective corrosion inhibitor for metals, particularly in industrial cooling and process water systems.
• Chelating Agent and Catalyst Ligand: Functions as a chelator for metal ions and a ligand in homogeneous catalysis for various organic transformations.
• Dental and Biomedical Materials: Employed in adhesive formulations and for surface treatment of biomedical implants to promote osseointegration.

Basic Information

Product Name	3-Carboxyphenylphosphonic Acid
CAS No.	14899-31-1
Molecular Formula	C7H7O5P
Molecular Weight	202.10 g/mol
Synonyms	(3-Carboxyphenyl)phosphonic Acid; 3-Phosphonobenzoic Acid; m-Carboxyphenylphosphonic Acid; Benzoic acid, 3-phosphono-; 3-(Phosphono)benzoic Acid; Phenylphosphonic acid, 3-carboxy-; m-Phosphonobenzoic Acid; 3-CPPA
EINECS	Contact for details

Quality Control

Our 3-Carboxyphenylphosphonic Acid is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements of research and industrial applications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive). Keep the container tightly sealed in a dry environment to prevent absorption of moisture, which may affect product quality.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 1.0%
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.