00676

Trioctylphosphine oxide

for extraction analysis, ≥98.5%

• Synonym(s): (Oct)₃PO, TOPO^®
• Linear Formula: [CH₃(CH₂)₇]₃PO
• CAS Number: 78-50-2
• Molecular Weight: 386.63
• Beilstein/REAXYS Number: 1796648
• EC Number: 201-121-3
• MDL number: MFCD00002083
• UNSPSC Code: 12352001
• PubChem Substance ID: 329747118
• NACRES: NA.22

Properties

• grade: for extraction analysis
• Quality Level: 200
• assay: ≥98.5% (GC); ≥98.5%
• reaction suitability: reaction type: Buchwald-Hartwig Cross Coupling Reaction; reaction type: Heck Reaction; reaction type: Hiyama Coupling; reaction type: Negishi Coupling; reaction type: Sonogashira Coupling; reaction type: Stille Coupling; reaction type: Suzuki-Miyaura Coupling; reagent type: ligand
• impurities: ≤0.2% free acid (as H₃PO₄); ≤0.5% water
• bp: 201-202 °C/2 mmHg (lit.)
• mp: 50-52 °C (lit.); 52-55 °C
• cation traces: Ca: ≤10 mg/kg; Cd: ≤5 mg/kg; Co: ≤5 mg/kg; Cr: ≤5 mg/kg; Cu: ≤5 mg/kg; Fe: ≤5 mg/kg; K: ≤10 mg/kg; Mg: ≤5 mg/kg; Mn: ≤5 mg/kg; Na: ≤10 mg/kg; Ni: ≤5 mg/kg; Pb: ≤5 mg/kg; Zn: ≤5 mg/kg
• functional group: phosphine oxide
• SMILES string: CCCCCCCCP(=O)(CCCCCCCC)CCCCCCCC
• 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

Description

Application

Catalyst in:

• Preparation of tetradentate planar-chiral hydroxy-substituted ferrocenecarboxaldimine Schiff base ligands
• Reactions of allyl esters with hydrosilanes
• Asymmetric cyanosilylation of aldehydes
• Preparation of chlorothiol formates from thiols and phosgene

Legal Information

TOPO is a registered trademark of Life Technologies

Safety Information

• pictograms: GHS05
• signalword: Danger
• hcodes: H315,H318,H412
• pcodes: P264 - P273 - P280 - P302 + P352 - P305 + P351 + P338 - P332 + P313
• Hazard Classifications: Aquatic Chronic 3 - Eye Dam. 1 - Skin Irrit. 2
• wgk_germany: WGK 3
• flash_point_f: closed cup
• flash_point_c: closed cup
• ppe: dust mask type N95 (US), Eyeshields, Gloves