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791-28-6 - Triphenylphosphine oxide, 99% - A12455 - Alfa Aesar

A12455 Triphenylphosphine oxide, 99%

CAS Number
791-28-6
Synonyms

Size Price ($) Quantity Availability
25g 17.24
100g 42.44
500g 163.11
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Triphenylphosphine oxide, 99%

MDL
MFCD00002080
EINECS
212-338-8

Chemical Properties

Formula
C18H15OP
Formula Weight
278.29
Melting point
153-159°
Boiling Point
360°
Flash Point
180°(356°F)
Density
1.200
Solubility
Soluble in polar organic solvents. Slightly soluble in hexane and diethyl ether. Insoluble in water.

Applications

Triphenylphosphine oxide is used as a catalyst, Lewis base, ligand for metals and starting material for the preparation of other phosphorus compounds. It is also used in epoxidations, Michael reactions and coupling reactions. It reacts with copper(II) halides and form coordination complexes of Copper(II). Further, it acts as a crystallization aid for chemical compounds. In addition to this, it is used for processing, extraction, separation and spectrophotometric determination of cadmium and mercury.

Notes

Incompatible with strong oxidizing agents.

Literature References

The reagent prepared from a 2:1 molar ratio of the phosphine oxide and triflic anhydride is a useful dehydrating agent, e.g. for preparation of nitriles from amides or oximes, or of amides from acids and amines: J. Org. Chem., 52, 4137 (1987). In combination with triethylamine, the reagent also dehydrates activated ketones to alkynes: Synthesis, 217 (1989).

Zhang, Y.; Miyake, J.; Akiyama, R.; Miyatake, K. Ladder-type aromatic block copolymers containing sulfonated triphenylphosphine oxide moieties as proton conductive membranes. Polymer 2015, 77, 152-155.

Sun, D.; Fu, Q.; Ren, Z.; Li, H.; Ma, D.; Yan, S. Synthesis of well-defined poly(phenylcarbazole-alt-triphenylphosphine oxide) siloxane as a bipolar host material for solution-processed deep blue phosphorescent devices. Polym. Chem. 2014, 5 (1), 220-226.

GHS Hazard and Precautionary Statements

Hazard Statements: H302-H402-H412

Harmful if swallowed. Harmful to aquatic life. Harmful to aquatic life with long lasting effects.

Precautionary Statements: P273-P264-P270-P301+P312-P330-P501a

Avoid release to the environment. Wash thoroughly after handling. Do not eat, drink or smoke when using this product. IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell. Rinse mouth. Dispose of contents/container in accordance with local/regional/national/international regulations.

Other References

Beilstein
745854
Harmonized Tariff Code
2931.90
TSCA
Yes
RTECS
SZ1676000

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