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4559-70-0 - Diphenylphosphine oxide, 97% - B21101 - Alfa Aesar

B21101 Diphenylphosphine oxide, 97%

CAS Number
4559-70-0
Synonyms

Size Price ($) Quantity Availability
1g 42.58
5g 158.62
25g 501.60
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Diphenylphosphine oxide, 97%

MDL
MFCD00002079

Chemical Properties

Formula
C12H11OP
Formula Weight
202.20
Melting point
51-56°
Solubility
Slightly soluble in water.

Applications

Used in the preparation of triarylphosphine oxides, and as asymmetric catalysts, preparation of alkenyldiphenylphosphine oxides, and Horner-Wittig reagents. It is a ligand for Buchwald-Hartwig Cross Coupling Reaction, Hydrophosphonylations and Suzuki-Miyaura Coupling.

Notes

Store away from oxidizing agents. Keep the container tightly closed and place it in a cool, dry and well ventilated condition.

Literature References

Li-Biao Han, et al. Rhodium-Catalyzed Regio- and Stereoselective Addition of Diphenylphosphine Oxide to Alkynes.J. Org. Chem.,200166(17), 5929-5932.

Koichi Yamakoshi, et al. Catalytic asymmetric addition of diphenylphosphine oxide to cyclic imines.Tetrahedron Lett.,1999,40(13), 2565-2568.

GHS Hazard and Precautionary Statements

Hazard Statements: H315-H319-H335

Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Precautionary Statements: P261-P280-P305+P351+P338-P304+P340-P362-P312-P321-P405-P403+P233-P501a

Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye protection/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Take off contaminated clothing and wash before reuse. Call a POISON CENTER or doctor/physician if you feel unwell. Specific treatment (see label). Store locked up. Store in a well-ventilated place. Keep container tightly closed. Dispose of contents/container in accordance with local/regional/national/international regulations.

Other References

Harmonized Tariff Code
2931.90
TSCA
No

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