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603-35-0 - Triphenylphosphine, powder, 99% - TPP - L02502 - Alfa Aesar

L02502 Triphenylphosphine, powder, 99%

Numéro CAS

Dimensions Prix ($) Quantité Disponibilité
50g 29,00
250g 64,10
1000g 210,00
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Triphenylphosphine, powder, 99%


Propriétés chimiques

Poids formulaire
Point de fusion
Point d'ébullition
Point d'éclair
Soluble in ether, benzene, carbon tetrachloride, glacial acetic acid, acetone, chloroform and alcohol. Insoluble in water.


Triphenylphosphine is used in the synthesis of organic compounds due to its nucleophilicity and its reducing character. It is involved in the synthesis of biaryl compounds, phosphonium salts and other phosphorus compounds. As a reducing agent, it is used to prepare aromatic amines from the corresponding aromatic N-oxides. The anionic phosphine is usually isolated as the trisodium salt, which reacts with rhodium to form a complex that finds use in industrial hydroformylation reactions. It is also used to prepare Wilkinson's catalyst, RhCl(PPh3)3 useful to catalyze the hydrogenation of alkenes and tetrakis(triphenylphosphine)palladium(0) that is widely used to catalyse C-C coupling reactions in organic synthesis.


Incompatible with oxidizing agents and acids.

Références bibliographiques

Finds widespread use as a complexing agent with transition metals, either in the preparation of stable complexes, or as an additive in metal-promoted reactions. See also Tri(o-tolyl)­phosphine, A12093 and Tri(2-furyl)­phosphine, L13329.

Azides can be converted selectively to amines, in the presence of ester, epoxide or nitro groups, by reduction to iminophosphoranes (Staudinger reaction), followed by hydrolysis. For reviews, see: Tetrahedron, 37, 437 (1981); 48, 1353 (1992):

In suitable circumstances, the iminophosphorane may undergo intramolecular aza-Wittig reaction: Tetrahedron, 45, 6375 (1989):

Reviews: Aza-Wittig reaction in heterocyclic synthesis: Org. Prep. Proced. Int., 24, 209 (1992); Iminophosphoranes as building blocks for the preparation of N-containing heterocycles: Synthesis, 1197 (1994).

For use in peptide and other coupling reactions, see 2,2'-Dipyridyl­ disulfide, A11118.

For use in the Mitsunobu reaction for conversion of alcohols to alkylating agents, see N-Guanyl­urea sulfate, A19106, and Diisopropyl­ azodicarboxyl­ate, L10386. See also 1,2-Bis(diphenyl­phosphino)­ethane, A11419.

Loghmani, M. H.; Shojaei, A. F. Reduction of cobalt ion improved by lanthanum and zirconium as a triphenylphosphine stabilized nano catalyst for hydrolysis of sodium borohydride. Int. J. Hydrogen Energy 2015, 40 (20), 6573-6581.

Nirmala, M.; Prakash, G.; Viswanathamurthi, P.; Malecki, J. G. An attractive route to transamidation catalysis: Facile synthesis of new o-aryloxide-N-heterocyclic carbene ruthenium (II) complexes containing trans triphenylphosphine donors. J. Mol. Catal. A: Chem. 2015, 403, 15-26.

Mentions de danger et de prudence du SGH

Mentions de danger (UE): H302-H317-H373

Harmful if swallowed. May cause an allergic skin reaction. May cause damage to organs through prolonged or repeated exposure.

Mentions de prudence: P260u-P201-P280-P303+P361+P353-P305+P351+P338-P301+P330+P331-P304+P340-P310a-P405-P501a

Obtain special instructions before use. Wear protective gloves/protective clothing/eye protection/face protection. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

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