Cookies disclaimer

I agree Our site saves small pieces of text information (cookies) on your device in order to deliver better content and for statistical purposes. You can disable the usage of cookies by changing the settings of your browser. By browsing our website without changing the browser settings you grant us permission to store that information on your device.

B21101 Diphenylphosphine oxide, 97%

CAS Number

Stock No. Size Price ($) Quantity Availability
B21101-03 1g 48.80
B21101-06 5g 158.00
B21101-14 25g 582.00
Add to Cart Bulk/Specialty Print Quote View Item

Diphenylphosphine oxide, 97%


Chemical Properties

Formula Weight
Melting point
Storage & Sensitivity
Ambient temperatures.
Slightly soluble in water.


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.


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: P264b-P271-P280-P302+P352-P304+P340-P305+P351+P338-P312-P332+P313-P362-P501c

Wash face, hands and any exposed skin thoroughly after handling Use only outdoors or in a well-ventilated area. Wear protective gloves/protective clothing/eye protection/face protection. IF ON SKIN: Wash with plenty of soap and water. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Call a POISON CENTER or doctor/physician if you feel unwell. If skin irritation occurs: Get medical advice/attention. Take off contaminated clothing and wash before reuse. Dispose of contents/ container to an approved waste disposal plant

Other References

Harmonized Tariff Code


Recently Viewed


Life Science

Metals & Materials


Analytical & Labware