Description

2-Carboxyphenylphosphonic Acid is a versatile bifunctional organophosphorus compound that serves as a critical building block in advanced material synthesis. Its unique structure, featuring both a carboxylic acid and a phosphonic acid group, enables it to act as a highly effective chelating agent and surface modifier. This product is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries who require precise molecular control for creating novel compounds and functional materials.

Application

• Pharmaceutical Intermediates: Key precursor in the synthesis of novel drug candidates, particularly those targeting bone diseases or requiring metal chelation.
• Metal-Organic Frameworks (MOFs): Serves as a versatile organic linker for constructing porous coordination polymers with tailored properties for gas storage, separation, and catalysis.
• Surface Modification Agent: Used to functionalize metal oxide surfaces (e.g., titanium, aluminum oxides) to improve adhesion, corrosion resistance, or biocompatibility in coatings and implants.
• Agrochemical Synthesis: Intermediate in the production of advanced herbicides and plant growth regulators that utilize phosphonate chemistry.
• Polymer Additives: Acts as a monomer or additive to impart flame retardancy, UV stability, or improved mechanical properties to engineering plastics.
• Catalyst Ligand: Employed in the design of homogeneous catalysts for organic transformations, leveraging its strong metal-coordinating ability.
• Dental & Biomedical Materials: Component in formulations for dental cements and bone graft materials due to its affinity for calcium and hydroxyapatite.
• Analytical Chemistry: Used as a chelating agent in chromatography and sample preparation for trace metal analysis.

Basic Information

Item	Detail
Product Name	2-Carboxyphenylphosphonic Acid
CAS No.	116277-67-9
Molecular Formula	C7H7O5P
Molecular Weight	202.10 g/mol
Synonyms	(2-Carboxyphenyl)phosphonic Acid; o-Carboxyphenylphosphonic Acid; 2-Phosphonobenzoic Acid; Benzoic acid, 2-phosphono-; Salicylic acid, 2-phosphono- (deprotonated form); Phenylphosphonic acid-2-carboxylic acid; 2-CPPA; o-CPPA
EINECS	Contact for details

Quality Control

Our 2-Carboxyphenylphosphonic Acid is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets the high-purity standards required for research and industrial synthesis. A detailed Certificate of Analysis (COA), documenting purity, identity, and impurity profiles, is provided with every shipment to guarantee traceability and consistency.

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 each use to prevent moisture absorption, which can affect product stability and performance. Keep away from incompatible materials such as strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
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.