Description

Phosphinic Acid, P,p-Bis(3,5-Dimethylphenyl)- CAS NO 137219-82-0 is a specialized organophosphorus compound featuring a phosphinic acid core flanked by two 3,5-dimethylphenyl groups. This unique structure makes it a valuable intermediate and ligand in advanced chemical synthesis and materials science. It is primarily sought after by researchers and manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries for developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block for synthesizing novel drug candidates and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the development of advanced herbicides, fungicides, and plant growth regulators.
• Ligand in Catalysis: Serves as a precursor for creating specialized ligands used in transition metal-catalyzed reactions.
• Flame Retardant Precursor: An intermediate in the production of high-performance, halogen-free flame retardants for polymers.
• Specialty Polymer Additive: Incorporated into polymer chains to impart specific thermal or chemical resistance properties.
• Research & Development: Essential for academic and industrial R&D in organophosphorus chemistry and material science.

Basic Information

Product Name	Phosphinic Acid, P,p-Bis(3,5-Dimethylphenyl)-
CAS No.	137219-82-0
Molecular Formula	C16H19O2P
Molecular Weight	274.30 g/mol
Synonyms	Bis(3,5-dimethylphenyl)phosphinic acid; P,P-Bis(3,5-dimethylphenyl)phosphinic acid; (3,5-Dimethylphenyl)phosphinic acid dimer; Phosphinic acid, bis(3,5-dimethylphenyl)-; 3,5-Xylylphosphinic acid; Di(3,5-xylyl)phosphinic acid
EINECS	Contact for details

Quality Control

Our production of Phosphinic Acid, P,p-Bis(3,5-Dimethylphenyl)- adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and NMR/IR for structural confirmation, to ensure consistency and meet exacting customer specifications. A Certificate of Analysis (COA) detailing all test results is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents and strong bases.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (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.