• Product NameTriphenylphosphine oxide
  • CasNo. 791-28-6
  • MFC18H15OP
  • MW278.29
  • Purity
  • AppearanceWhite solid
  • Packing
  • Contact usInquiry

Product Details

CasNo: 791-28-6

MF: C18H15OP

Appearance: White solid

Buy High Quality Triphenylphosphine oxide 791-28-6 Safe Delivery

  • Molecular Formula:C18H15OP
  • Molecular Weight:278.29
  • Appearance/Colour:White solid 
  • Vapor Pressure:2.62E-08mmHg at 25°C 
  • Melting Point:154-158 °C 
  • Refractive Index:1.619 
  • Boiling Point:462.9 °C at 760 mmHg 
  • Flash Point:233.8 °C 
  • PSA:26.88000 
  • Density:1.17g/cm3 
  • LogP:3.32600 

Triphenylphosphine oxide(Cas 791-28-6) Usage

Description

Triphenylphosphine oxide (TPPO) is a coordinating solvent used to activate crystallization of chemical compounds. It has been used in flame retardant applications, as an epoxy cure catalyst, and more recently, to produce nanostructures.

Chemical Properties

White solid

Uses

Triphenylphosphine oxide is a phosphine ligand used for coupling reactions, epoxidations, and Michael reactions

Definition

ChEBI: A phosphine oxide in which the substituents on phosphorus are three phenyl groups.

Synthesis Reference(s)

Tetrahedron Letters, 31, p. 5463, 1990 DOI: 10.1016/S0040-4039(00)97873-0

Flammability and Explosibility

Notclassified

Purification Methods

It crystallises from absolute EtOH and is dried in vacuo. The gold chloride complex has m 177.5-178.5o. [Addison & Sheldon J Chem Soc 2705 1956, Cox & Westheimer J Am Chem Soc 80 5441 1958, Beilstein 16 III 864, 16 1011.]

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

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791-28-6 Process route

formaldehyd
50-00-0,30525-89-4,61233-19-0

formaldehyd

benzyltriphenylphosphonium chloride
1100-88-5

benzyltriphenylphosphonium chloride

styrene
100-42-5,25038-60-2,25247-68-1,28213-80-1,28325-75-9,79637-11-9,9003-53-6

styrene

Triphenylphosphine oxide
791-28-6

Triphenylphosphine oxide

Conditions
Conditions Yield
With Carbowax 6000 (liquid); potassium carbonate; at 150 ℃; under 15 Torr;
18%
4-nitrophenyl azide
1516-60-5

4-nitrophenyl azide

4-nitro-aniline
100-01-6,104810-17-5

4-nitro-aniline

Triphenylphosphine oxide
791-28-6

Triphenylphosphine oxide

Conditions
Conditions Yield
With water; for 3h; Yield given; Ambient temperature;
 

791-28-6 Upstream products

  • 60-29-7
    60-29-7

    diethyl ether

  • 115-86-6
    115-86-6

    phosphoric acid triphenyl ester

  • 64-17-5
    64-17-5

    ethanol

  • 1109-01-9
    1109-01-9

    diphenyldiazomethane triphenylphosphazine

791-28-6 Downstream products

  • 101608-81-5
    101608-81-5

    (3-benzyl-phenyl)-diphenyl-phosphine oxide

  • 2001-45-8
    2001-45-8

    tetraphenyl phosphonium chloride

  • 1707-03-5
    1707-03-5

    diphenyl-phosphinic acid

  • 603-35-0
    603-35-0

    triphenylphosphine

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