Trioctylphosphine is an organophosphorus compound with the formula P(C8H17)3 sometimes abbreviated TOP.[1] It is usually encountered as a syrup. The compound is colorless.

Trioctylphosphine
Names
Preferred IUPAC name
Tri(octyl)phosphane
Identifiers
3D model (JSmol)
1776995
ChemSpider
ECHA InfoCard 100.022.940 Edit this at Wikidata
UNII
  • InChI=1S/C24H51P/c1-4-7-10-13-16-19-22-25(23-20-17-14-11-8-5-2)24-21-18-15-12-9-6-3/h4-24H2,1-3H3
  • CCCCCCCCP(CCCCCCCC)CCCCCCCC
Properties
C24H51P
Molar mass 370.635498
Density 0.831 g/mL
Boiling point 284 to 291 °C (543 to 556 °F; 557 to 564 K) at 50 mmHg
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Reactions

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Trioctylphosphine reacts with oxygen to form trioctylphosphine oxide. For this reason it is usually handled with air-free techniques.

TOP reacts with elemental selenium to give trioctylphosphine selenide (TOPSe), which is a reagent for the preparation of cadmium selenide and related semiconductors.[2] [3]

See also

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References

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  1. ^ "Triocylphosphine". Chemspider.com.
  2. ^ García-Rodríguez, Raúl; Hendricks, Mark P.; Cossairt, Brandi M.; Liu, Haitao; Owen, Jonathan S. (2013). "Conversion Reactions of Cadmium Chalcogenide Nanocrystal Precursors". Chemistry of Materials. 25 (8): 1233–1249. doi:10.1021/cm3035642.
  3. ^ Pietryga, Jeffrey M.; Hollingsworth, Jennifer A. (2014). Mid-Infrared Emitting Lead Selenide Nanocrystal Quantum Dots. Inorganic Syntheses. Vol. 36. pp. 198–202. doi:10.1002/9781118744994.ch37. ISBN 978-1-118-74487-1.