Description

Aniline, Phenylphosphonic Acid CAS NO 4762-50-9 is an organophosphorus compound that combines the aniline moiety with a phosphonic acid functional group. This unique structure makes it a valuable intermediate and ligand in advanced chemical synthesis and material science. It is primarily sought after by research and development teams, as well as production chemists, in the pharmaceutical, agrochemical, and specialty polymer industries for creating novel compounds with tailored properties.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and drug candidates, particularly those requiring phosphonate or phosphonic acid functionalities.
• Agrochemical Synthesis: Serves as a key building block for herbicides, plant growth regulators, and other crop protection agents.
• Ligand in Catalysis: Acts as a chelating ligand for metal catalysts in various organic transformation reactions, including cross-coupling.
• Flame Retardant Precursor: Utilized in the development of phosphorus-containing flame retardants for polymers and textiles.
• Corrosion Inhibitor Formulation: Incorporated into formulations designed to protect metal surfaces in industrial applications.
• Material Science Research: Employed in the creation of metal-organic frameworks (MOFs), functional coatings, and advanced polymeric materials.
• Analytical Chemistry: Used as a standard or reagent in chromatographic analysis and other laboratory testing procedures.

Basic Information

Product Name	Aniline, Phenylphosphonic Acid
CAS No.	4762-50-9
Molecular Formula	C12H12NO3P
Molecular Weight	249.20 g/mol
Synonyms	Phenylphosphonic Acid Anilide; Anilinophenylphosphonic Acid; N-Phenylphosphanilic Acid; Phosphanilic Acid; (Anilinophenyl)phosphonic Acid; Benzenamine, P,P-dihydroxy-P-phenyl-, P-oxide; Phenylphosphonamidic Acid; Aniline Phenylphosphonate
EINECS	Contact for details

Quality Control

Our Aniline, Phenylphosphonic Acid is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide full traceability and Certificates of Analysis (COA) are available for all shipments, detailing key parameters such as assay and impurity profiles. Our quality systems are designed to support applications requiring high-purity intermediates.

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 material is hygroscopic (moisture-sensitive); ensure the container is kept tightly sealed to prevent absorption of atmospheric moisture. Keep away from strong acids and organic solvents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Heavy Metals	≤ 20 ppm

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