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CAS 797-70-6

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Tris(4-methylphenyl)phosphine oxide

Description:
Tris(4-methylphenyl)phosphine oxide, with the CAS number 797-70-6, is an organophosphorus compound characterized by its three 4-methylphenyl groups attached to a central phosphorus atom, which is also bonded to an oxygen atom, forming a phosphine oxide. This compound typically appears as a white to light yellow solid and is known for its high thermal stability and solubility in organic solvents such as dichloromethane and acetone. It exhibits properties that make it useful as a ligand in coordination chemistry and as a reagent in organic synthesis. Additionally, it can act as a phosphine oxide in various catalytic processes. The presence of the methyl groups enhances its steric bulk and electronic properties, influencing its reactivity and interactions with other chemical species. Tris(4-methylphenyl)phosphine oxide is also noted for its potential applications in materials science, particularly in the development of polymers and as a component in photonic devices. Safety data should be consulted for handling and exposure guidelines, as with any chemical substance.
Formula:C21H21OP
InChI:InChI=1S/C21H21OP/c1-16-4-10-19(11-5-16)23(22,20-12-6-17(2)7-13-20)21-14-8-18(3)9-15-21/h4-15H,1-3H3
InChI key:InChIKey=SPKBYIYIZQARNX-UHFFFAOYSA-N
SMILES:P(=O)(C1=CC=C(C)C=C1)(C2=CC=C(C)C=C2)C3=CC=C(C)C=C3
Synonyms:
  • 1-Bis(4-methylphenyl)phosphoryl-4-methylbenzene
  • Phosphine oxide, tri-p-tolyl-
  • Phosphine oxide, tris(4-methylphenyl)-
  • Tri(p-methylphenyl)phosphine monoxide
  • Tri-p-tolylphosphine oxide
  • Tris(4-Methylphenyl)Phosphane Oxide
  • Tris(4-methylphenyl)phosphine oxide
  • Tris(4-tolyl)phosphine oxide
  • Tris-p-tolylphosphine oxide
  • Trismethylphenylphosphineoxide
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