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Merck
CN

00676

Trioctylphosphine oxide

≥98.5% (GC), for extraction analysis

Sustainability features

Synonym(s):

(Oct)3PO, TOPO®

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About This Item

Linear Formula:
[CH3(CH2)7]3PO
CAS Number:
Molecular Weight:
386.63
NACRES:
NA.22
PubChem Substance ID:
UNSPSC Code:
12352001
EC Number:
201-121-3
MDL number:
Beilstein/REAXYS Number:
1796648
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Product Name

Trioctylphosphine oxide, for extraction analysis, ≥98.5%

Quality Segment

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

sustainability

Sustainability features

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

greener alternative category

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

General description

This productaligns with the Green Chemistry Principle of Catalysis. Click here for more information.

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


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Pictograms

Corrosion

Signal Word

Danger

Hazard Codes

Hazard Classifications

Aquatic Chronic 3 - Eye Dam. 1 - Skin Irrit. 2

Storage Class

11 - Combustible Solids

WGK

WGK 3

Flash Point (°F)

446.0 °F - closed cup

Flash Point (°C)

230 °C - closed cup

PPE (personal protective equipment)

dust mask type N95 (US), Eyeshields, Gloves



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