Description

Bis(4-Methylphenyl)-Phenyl-Phosphane is a versatile organophosphorus compound that serves as a key ligand and intermediate in advanced chemical synthesis. Its value lies in its ability to facilitate critical catalytic processes and enable the creation of complex molecular architectures. This product is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty materials sectors who require high-purity, reliable chemical building blocks.

Application

• As a ligand in transition metal catalysis, particularly for cross-coupling reactions (e.g., Suzuki, Heck) in pharmaceutical intermediate synthesis.
• As a key precursor in the development of novel phosphine-based ligands with tailored steric and electronic properties.
• In material science research for the synthesis of organic light-emitting diodes (OLEDs) and other electronic materials.
• For the manufacture of flame retardants and polymer stabilizers where phosphorus incorporation is required.
• As a specialty intermediate in agrochemical research for creating new active ingredients.
• In academic and industrial R&D for exploring new organocatalytic and coordination chemistry.

Basic Information

Product Name	Bis(4-Methylphenyl)-Phenyl-Phosphane
CAS No.	19934-95-3
Molecular Formula	C20H19P
Molecular Weight	290.34 g/mol
Synonyms	Bis(p-tolyl)phenylphosphine; (p-Tolyl)2PPh; Phenylbis(4-methylphenyl)phosphine; Di-p-tolylphenylphosphine; Phosphine, phenylbis(4-methylphenyl)-; Bis(4-methylphenyl)phenylphosphane; 4,4'-Dimethyltriphenylphosphine; P,P-Di-p-tolylphenylphosphine
EINECS	Contact for details

Quality Control

Our Bis(4-Methylphenyl)-Phenyl-Phosphane is produced under strict quality management protocols to ensure batch-to-batch consistency and high purity. We provide comprehensive analytical data, including HPLC, NMR, and GC analysis, to verify identity and purity. Certificates of Analysis (COA) are available for every batch and supplied upon request to meet the stringent requirements of research and production environments.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at room temperature (15-25°C) in a cool, dry, and well-ventilated area. This material is easily oxidized and light-sensitive; prolonged exposure to air or light should be avoided to maintain product integrity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	95 - 105 °C

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