Trioctylphosphine Oxide Details
Chemical Name: Trioctylphosphine Oxide
Synonyms: Tri-n-octylphosphine oxide; TOPO; 1-Dioctylphosphoryloctane; trioctylphosphinoxide
CAS No.: 78-50-2
Molecular Formula: C24H51OP
Molecular Weight: 386.63
Molecular Structure:

Appearance: Crystalline powder, crystals or flakes
Trioctylphosphine Oxide Typical Properties
Melting point |
50-52 °C(lit.) |
Boiling point |
201-202 °C2 mm Hg(lit.) |
Density |
0,88 g/cm3 |
Water Solubility |
Insoluble |
Storage |
Store below +30°C. |
Appearance |
Crystalline powder, crystals or flakes |
Colour |
White to slightly yellow |
Flash point |
>230 °F |
Vapor Pressure |
0.004Pa at 50℃ |
Trioctylphosphine Oxide Usage
Used as extractant and solvent
Trioctylphosphine Oxide Packaging and Shipping
Packing: 25KG/Drum
Trioctylphosphine Oxide Storage
Keep in a well-closed, light-resistant, dry and cool place.