Description

Phenyl Phosphine CAS NO 638-21-1 is a versatile organophosphorus compound characterized by a phosphorus atom bonded to a phenyl group and two hydrogen atoms. This structure makes it a valuable reagent and intermediate in advanced chemical synthesis, particularly for introducing phosphorus-containing functional groups. It is essential for manufacturers and R&D teams in the pharmaceutical, agrochemical, and specialty chemical sectors seeking to develop new active ingredients and ligands.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and plant growth regulators.
• Ligand Precursor: Serves as a starting material for the preparation of phosphine ligands used in homogeneous catalysis and cross-coupling reactions.
• Flame Retardant Additive: Incorporated into polymer systems to enhance flame retardant properties.
• Organic Synthesis Reagent: Employed in various organic transformations, including the formation of phosphorus-carbon bonds.
• Material Science Research: Utilized in the development of new polymeric materials and advanced coatings.

Basic Information

Product Name	Phenyl Phosphine
CAS No.	638-21-1
Molecular Formula	C6H7P
Molecular Weight	110.09 g/mol
Synonyms	Phosphaniline; Benzenephosphine; Phenylphosphine; Monophenylphosphine; Phosphorus hydride phenyl; Phenylphosphane; PH2Ph
EINECS	211-325-4

Quality Control

Our Phenyl Phosphine is produced under stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including assay by GC or titration and impurity profiling, to ensure it meets exacting purity standards. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and compliance with your specifications.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry, and well-ventilated area, away from heat and ignition sources. Due to its highly volatile and easily oxidized nature, containers must be kept tightly sealed and handled with appropriate precautions to prevent exposure to air and moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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