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Tris(4-methoxyphenyl)phosphine

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Tris(4-methoxyphenyl)phosphine
Names
Preferred IUPAC name Tris(4-methoxyphenyl)phosphane
Identifiers
CAS Number
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.011.567 Edit this at Wikidata
EC Number
  • 212-723-0
PubChem CID
UNII
CompTox Dashboard (EPA)
InChI
  • InChI=1S/C21H21O3P/c1-22-16-4-10-19(11-5-16)25(20-12-6-17(23-2)7-13-20)21-14-8-18(24-3)9-15-21/h4-15H,1-3H3Key: UYUUAUOYLFIRJG-UHFFFAOYSA-N
SMILES
  • COC1=CC=C(C=C1)P(C2=CC=C(C=C2)OC)C3=CC=C(C=C3)OC
Properties
Chemical formula P(C6H4OCH3)3
Appearance white solid
Melting point 131 °C (268 °F; 404 K)
Hazards
GHS labelling:
Pictograms GHS07: Exclamation mark
Signal word Warning
Hazard statements H315, H319, H335
Precautionary statements P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, P501
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). Infobox references
Chemical compound

Tris(4-methoxyphenyl)phosphine is the organophosphorus compound with the formula (CH3OC6H4)3P. Several isomers of this formula are known, but the symmetrical derivative with methoxy groups in the 4-position is most studied. The compound is used as a ligand in organometallic chemistry and homogeneous catalysis.

Related ligands

References

  1. Evans, D.; Osborn, J. A.; Wilkinson, G. (1968). "Hydroformylation of alkenes by use of rhodium complex catalysts". Journal of the Chemical Society A: Inorganic, Physical, Theoretical: 3133. doi:10.1039/j19680003133.
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