Diphenylphosphine oxide
Synonym(s):HPOPh2
- CAS NO.：4559-70-0
- Empirical Formula: C12H11OP
- Molecular Weight: 202.19
- MDL number: MFCD00002079
- EINECS: 625-671-2
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-09-05 20:24:49
What is Diphenylphosphine oxide?
Chemical properties
Yellow to light orange crystals
The Uses of Diphenylphosphine oxide
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.
The Uses of Diphenylphosphine oxide
suzuki reaction
Definition
ChEBI: Diphenylphosphine oxide is a member of benzenes.
Synthesis Reference(s)
Journal of the American Chemical Society, 45, p. 165, 1923 DOI: 10.1021/ja01654a024
Properties of Diphenylphosphine oxide
| Melting point: | 56-57 °C(lit.) |
| Boiling point: | 102-105°C 0,2mm |
| refractive index | 1.608-1.61 |
| storage temp. | Inert atmosphere,Room Temperature |
| form | Crystals |
| color | Yellow to light orange |
| Water Solubility | Slightly soluble in water. |
| Sensitive | Moisture Sensitive |
| InChI | InChI=1S/C12H11OP/c13-14(11-7-3-1-4-8-11)12-9-5-2-6-10-12/h1-10,14H |
| CAS DataBase Reference | 4559-70-0(CAS DataBase Reference) |
Safety information for Diphenylphosphine oxide
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P270:Do not eat, drink or smoke when using this product. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for Diphenylphosphine oxide
| InChIKey | ASUOLLHGALPRFK-UHFFFAOYSA-N |
| SMILES | P(=O)(C1=CC=CC=C1)C1=CC=CC=C1 |
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