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Triphenylphosphine oxide

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Triphenylphosphine oxide Structure
Triphenylphosphine oxide
  • CAS No.791-28-6
  • Chemical Name:Triphenylphosphine oxide
  • CBNumber:CB8296821
  • Molecular Formula:C18H15OP
  • Formula Weight:278.28
  • MOL File:791-28-6.mol
Triphenylphosphine oxide Property
  • Melting point: :150-157 °C(lit.)
  • Boiling point: :360 °C
  • Density  :1,212 g/cm3
  • vapor pressure  :<1 hPa (50 °C)
  • Flash point: :180 °C
  • storage temp.  :Store below +30°C.
  • solubility  :methanol: 25 mg/mL, clear
  • form  :Crystalline Powder or Flakes
  • Specific Gravity :1.212
  • color  :White to pink-brown
  • Water Solubility  :slightly soluble
  • Hydrolytic Sensitivity :4: no reaction with water under neutral conditions
  • BRN  :745854
  • CAS DataBase Reference :791-28-6(CAS DataBase Reference)
  • EWG's Food Scores :1
  • FDA UNII :Z69161FKI3
  • NIST Chemistry Reference :(C6H5)3PO(791-28-6)
  • EPA Substance Registry System :Triphenylphosphine oxide (791-28-6)
Safety
  • Hazard Codes  :Xn,Xi
  • Risk Statements  :22-36/37/38-52/53
  • Safety Statements  :26-61-36
  • RIDADR  :3077
  • WGK Germany  :2
  • RTECS  :SZ1676000
  • Autoignition Temperature :590 °C
  • TSCA  :Yes
  • HazardClass  :9
  • PackingGroup  :III
  • HS Code  :29310095
  • Toxicity :LD50 orally in Rabbit: 685 mg/kg
Hazard and Precautionary Statements (GHS)
  • Symbol(GHS)
  • Signal wordWarning
  • Hazard statements H402-H411-H302-H315-H319-H335-H412
  • Precautionary statements P301+P312+P330-P305+P351+P338-P261-P273-P280a-P304+P340-P405-P501a-P301+P312a-P330-P264-P270-P280-P302+P352+P332+P313+P362+P364-P305+P351+P338+P337+P313-P391-P501
Triphenylphosphine oxide Price More Price(19)
  • Brand: Sigma-Aldrich
  • Product number: 08902
  • Product name : Triphenylphosphine oxide
  • Purity: analytical standard
  • Packaging: 100mg
  • Price: $84.3
  • Updated: 2021/03/22
  • Buy: Buy
  • Brand: Sigma-Aldrich
  • Product number: PHR2544
  • Product name : Orlistat Related Compound C
  • Purity: Pharmaceutical Secondary Standard; Certified Reference Material
  • Packaging: 50MG
  • Price: $449
  • Updated: 2021/03/22
  • Buy: Buy
  • Brand: Sigma-Aldrich
  • Product number: 1478833
  • Product name : Orlistat Related Compound C
  • Purity: United States Pharmacopeia (USP) Reference Standard
  • Packaging: 25mg
  • Price: $1260
  • Updated: 2020/08/18
  • Buy: Buy
  • Brand: TCI Chemical
  • Product number: T0625
  • Product name : Triphenylphosphine Oxide
  • Purity: >98.0%(GC)
  • Packaging: 25g
  • Price: $23
  • Updated: 2021/03/22
  • Buy: Buy
  • Brand: TCI Chemical
  • Product number: T0625
  • Product name : Triphenylphosphine Oxide
  • Purity: >98.0%(GC)
  • Packaging: 100g
  • Price: $49
  • Updated: 2021/03/22
  • Buy: Buy

Triphenylphosphine oxide Chemical Properties,Usage,Production

  • Uses Triphenylphosphine Oxide (Orlistat USP Related Compound C) is a catalyst in the conversion of aldehydes into 1,1-dichlorides. Triphenylphosphine Oxide is used as a catalyst for the synthesis of hightly functionalized α-CF3 γ-keto esters.
  • 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
  • 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.]
Triphenylphosphine oxide Preparation Products And Raw materials
Raw materials
Preparation Products
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