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CAS 791-28-6

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Triphenylphosphine oxide

Description:
Triphenylphosphine oxide (TPPO) is an organophosphorus compound characterized by its chemical formula C18H15OP. It appears as a white crystalline solid and is known for its high stability and solubility in organic solvents such as acetone, ether, and chloroform, while being less soluble in water. TPPO is commonly used as a reagent in organic synthesis, particularly in the Wittig reaction and as a ligand in coordination chemistry. Its structure features a phosphorus atom bonded to three phenyl groups and an oxygen atom, which contributes to its polar nature. The presence of the oxygen atom also enhances its ability to act as a Lewis base, making it useful in various catalytic processes. Additionally, TPPO is recognized for its role in the purification of organic compounds and as a solvent in certain chemical reactions. Safety considerations include handling it with care, as it can cause irritation upon contact with skin or eyes. Overall, triphenylphosphine oxide is a versatile compound with significant applications in both academic and industrial chemistry.
Formula:C18H15OP
InChI:InChI=1/C18H15OP/c19-20(16-10-4-1-5-11-16,17-12-6-2-7-13-17)18-14-8-3-9-15-18/h1-15H
InChI key:InChIKey=FIQMHBFVRAXMOP-UHFFFAOYSA-N
SMILES:P(=O)(C1=CC=CC=C1)(C2=CC=CC=C2)C3=CC=CC=C3
Synonyms:
  • (Diphenylphosphoroso)benzene
  • Nsc 398
  • Oxido De Trifenilfosfina
  • Oxyde de triphenylphosphine
  • Pp 560
  • Tppo
  • Triphenyl phosphorus oxide
  • Triphenylphosphine Oxide
  • Triphenylphosphine monoxide
  • Triphenylphosphinoxid
  • See more synonyms
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