CAS 78-50-2 Tri-n-octylphosphine Oxide - Catalysts / Alfa Chemistry

Synonyms

Tri-n-octylphosphine Oxide; MCULE-3240423260; SC-18217; A839436; W-104278; Hostarex PX 324; Trioctylphosphine oxide, technical grade, 90%; TOPO; trioctylphosphino-1-one; BB0266001;

IUPAC Name

1-dioctylphosphoryloctane;

Molecular Weight

386.645g/mol

Molecular Formula

C24H51OP;

Canonical SMILES

CCCCCCCCP(=O)(CCCCCCCC)CCCCCCCC;

InChI

InChI=1S/C24H51OP/c1-4-7-10-13-16-19-22-26(25,23-20-17-14-11-8-5-2)24-21-18-15-12-9-6-3/h4-24H2,1-3H3;

InChI Key

ZMBHCYHQLYEYDV-UHFFFAOYSA-N;

Storage

Store below +30°C.

Complexity

266

Covalently-Bonded Unit Count

EC Number

201-121-3

Exact Mass

386.368g/mol

H-Bond Acceptor

Heavy Atom Count

Monoisotopic Mass

386.368g/mol

NSC Number

41937

Rotatable Bond Count

Topological Polar Surface Area

17.1A^2

Application

Tri-n-octylphosphine Oxide (TOPO) serves multiple purposes due to its unique properties, most notably as a high boiling point solvent and a stabilizing agent. This white crystalline compound is extensively utilized in the extraction and recovery of metals, particularly uranium, zirconium, and hafnium, thanks to its strong complexing ability. In industrial settings, TOPO plays a crucial role in solvent extraction processes, aiding in the extraction of valuable byproducts like acetic acid and furfural during wood pulping, and serving as an auxiliary reagent. Its chemical stability and surfactant properties make it indispensable in nanocrystal synthesis, where it acts as a capping ligand, essential for producing high-quality quantum dots and ensuring good crystallinity of nanoparticles. Furthermore, TOPO's capacity to prevent particle aggregation, along with its use in wastewater treatment for removing heavy metals and toxins, underscores its versatility. It even finds applications as a catalyst in specialized chemical reactions, reflecting its indispensable nature across various scientific and industrial domains.

December 04, 2024

Essential Solvent for Nanocrystal Synthesis

Tri-n-octylphosphine Oxide (TOPO) has been indispensable in my lab for synthesizing high-quality nanocrystals. Its high boiling point ensures uniform nanoparticle formation, and its stability as a surfactant simplifies preventing aggregation. Highly recommend!