Description

Tri-n-Octylphosphine is a tertiary phosphine ligand characterized by its long alkyl chains, offering significant steric bulk and electron-donating properties. This compound is a crucial precursor and catalyst component in advanced organometallic chemistry and materials science. It is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries who require high-purity ligands for cross-coupling reactions and nanoparticle synthesis.

Application

• Catalyst Ligand in Cross-Coupling Reactions: Acts as a key ligand in palladium-catalyzed reactions such as Suzuki, Heck, and Stille couplings for complex molecule synthesis.
• Precursor for Quantum Dot Synthesis: Used in the production of semiconductor nanocrystals (e.g., CdSe, InP) due to its ability to control particle size and morphology.
• Stabilizing Agent for Metal Nanoparticles: Provides a protective layer around gold, silver, or platinum nanoparticles, preventing aggregation.
• Phase-Transfer Catalyst: Facilitates reactions between reactants in immiscible phases in organic synthesis.
• Intermediate for Phosphonium Salt Production: Serves as a starting material for synthesizing quaternary phosphonium salts used as ionic liquids or phase-transfer catalysts.
• Polymerization Co-catalyst: Employed in coordination polymerization processes for olefins and other monomers.

Basic Information

Product Name	Tri-n-Octylphosphine
CAS No.	4731-53-7
Molecular Formula	C24H51P
Molecular Weight	370.64 g/mol
Synonyms	Trioctylphosphine; TOP; Phosphinidynetris(octane); Tris(n-octyl)phosphine; Trioctylphosphane; n-Octylphosphine, tris-; Tris(octyl)phosphine; TOA
EINECS	225-225-9

Quality Control

Our Tri-n-Octylphosphine is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including GC, NMR, and titration methods, to ensure high chemical purity and consistency. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Due to its sensitivity to oxidation, this material should be stored under an inert atmosphere (argon or nitrogen) in a cool, dry place. Recommended long-term storage temperature is 2-8°C. Keep away from strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 95.0%
Water Content (KF)	≤ 0.5%

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