Description

Phosphinic Acid, p-Tolyl- is a specialized organophosphorus compound characterized by a phosphinic acid group attached to a para-tolyl (p-tolyl) moiety. This structure makes it a valuable intermediate and ligand in advanced chemical synthesis and materials science. It is primarily sought by R&D chemists and process engineers in the pharmaceutical, agrochemical, and specialty polymer industries for constructing complex molecules and facilitating catalytic processes.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly those requiring phosphorus-containing scaffolds.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators where the phosphinic acid group enhances biological activity.
• Ligand in Catalysis: Serves as a precursor for creating specialized ligands in transition metal catalysis for fine chemical and polymer production.
• Flame Retardant Formulations: Acts as a reactive intermediate in the development of organophosphorus flame retardants for polymers and textiles.
• Material Science Research: Employed in the development of metal-organic frameworks (MOFs), surface modifiers, and novel polymeric materials.
• Chemical Research & Development: A versatile reagent for exploring new reactions in organophosphorus chemistry and creating custom chemical entities.

Basic Information

Product Name	Phosphinic Acid, p-Tolyl-
CAS No.	20783-50-0
Molecular Formula	C7H9O2P
Molecular Weight	156.12 g/mol
Synonyms	p-Tolylphosphinic Acid; (4-Methylphenyl)phosphinic Acid; Phosphinic Acid, (4-Methylphenyl)-; 4-Methylbenzenephosphinic Acid; p-Methylphenylphosphinic Acid; 4-Tolylphosphinic Acid; p-Tolylphosphonous Acid (common misnomer); P,P-Dihydroxy-p-tolylphosphine Oxide
EINECS	Contact for details

Quality Control

Every batch of Phosphinic Acid, p-Tolyl- is manufactured and tested under a strict quality management system. We provide comprehensive analytical data to ensure the product meets your specific research or production requirements. A detailed Certificate of Analysis (COA) is supplied with each shipment, reporting key parameters such as purity (by HPLC/NMR), identity confirmation, and impurity profiles.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This compound is compatible with strong acids and organic solvents but should be kept separate from strong bases and oxidizing agents. 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)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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