Description

Tri-m-Tolylphosphine is a versatile organophosphorus ligand characterized by its three meta-tolyl groups attached to a central phosphorus atom. This structure is crucial for its role in facilitating various transition metal-catalyzed reactions, offering a balance of steric bulk and electronic properties. It is an essential reagent for R&D chemists and process engineers in the pharmaceutical, agrochemical, and advanced materials sectors who require reliable, high-purity catalysts and intermediates.

Application

• Catalyst Ligand in Cross-Coupling Reactions: A key component in palladium-catalyzed Suzuki, Heck, and Stille couplings for constructing complex carbon-carbon bonds in pharmaceutical and fine chemical synthesis.
• Homogeneous Catalysis: Used in hydroformylation, hydrogenation, and hydrosilylation reactions to improve catalyst selectivity and activity.
• Polymerization Catalyst Co-catalyst: Serves as a ligand in olefin polymerization and oligomerization catalyst systems.
• Organic Synthesis Intermediate: Employed in the preparation of other specialized phosphine ligands and phosphorus-containing compounds.
• Material Science Research: Utilized in the development of novel organometallic complexes for electronic and optical materials.

Basic Information

Product Name	Tri-m-Tolylphosphine
CAS No.	6224-63-1
Molecular Formula	C21H21P
Molecular Weight	304.36 g/mol
Synonyms	Tris(3-methylphenyl)phosphine; Tri(3-tolyl)phosphine; Phosphorous tris(m-tolyl); m-Tolylphosphine; P(m-Tol)3; 3-Methylphenylphosphine; Tris(meta-tolyl)phosphine
EINECS	228-304-9

Quality Control

Our Tri-m-Tolylphosphine is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation by NMR and FT-IR spectroscopy. We provide a detailed Certificate of Analysis (COA) with every shipment to ensure traceability and compliance with your specifications and industry standards.

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 place at room temperature (15-25°C). Due to its sensitivity to oxidation, containers should be kept sealed and purged after each use to maintain product integrity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	118 - 122 °C

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