Description

Trimesitylphosphine CAS NO 23897-15-6 is a sterically hindered tertiary phosphine ligand characterized by three bulky mesityl groups. This unique molecular structure is critical for stabilizing reactive metal centers and facilitating challenging catalytic transformations. It is an essential reagent for researchers and manufacturers in advanced materials science and pharmaceutical development, particularly for creating novel catalysts and organic electronic compounds.

Application

• Homogeneous Catalysis: A key ligand in cross-coupling reactions (e.g., Suzuki, Heck, Negishi) for C-C and C-X bond formation in fine chemical synthesis.
• Olefin Polymerization: Used as a co-catalyst/ligand in late-transition metal complexes for the production of specialized polyolefins.
• Material Science: Employed in the synthesis of phosphorescent dopants and charge-transport materials for OLED (Organic Light-Emitting Diode) devices.
• Pharmaceutical Intermediates: Facilitates asymmetric hydrogenation and other chiral transformations in the synthesis of active pharmaceutical ingredients (APIs).
• Organometallic Chemistry: Serves as a stabilizing ligand for low-coordinate and highly reactive transition metal complexes in fundamental research.
• Hydrosilylation Catalysts: A component in catalysts for the addition of silicon-hydrogen bonds to unsaturated organic compounds.

Basic Information

Product Name	Trimesitylphosphine
CAS No.	23897-15-6
Molecular Formula	C27H33P
Molecular Weight	388.53 g/mol
Synonyms	Tris(2,4,6-trimethylphenyl)phosphine; Tris(mesityl)phosphine; Tri(2,4,6-trimethylphenyl)phosphine; Phosphorous tris(2,4,6-trimethylphenyl); Mes3P; P(Mes)3; Tris(2,4,6-trimethylphenyl)phosphane
EINECS	Contact for details

Quality Control

Our Trimesitylphosphine is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and NMR for structural confirmation, to ensure it meets the high standards required for research and industrial catalysis. Certificates of Analysis (COA) detailing all specifications are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Due to its sensitivity to oxidation, this product should be stored under an inert atmosphere (argon or nitrogen) in a cool, dry place at room temperature (15-25°C). Minimize exposure to air during handling 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	235 - 245 °C
Heavy Metals	< 20 ppm

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