Diphenylphosphine oxide
- CAS No.
- 4559-70-0
- Chemical Name:
- Diphenylphosphine oxide
- Synonyms
- DPPO;HPOPh2;Diphenylphosphinoxid;GC-DPO;AURORA KA-1314;Diphenylphosphinit;Diphenylphosphorus;TIMTEC-BB SBB005946;Diphenylphosphaneoxide;Diphenylphosphinigsαure
- CBNumber:
- CB1471001
- Molecular Formula:
- C12H11OP
- Molecular Weight:
- 202.19
- MDL Number:
- MFCD00002079
- MOL File:
- 4559-70-0.mol
- MSDS File:
- SDS
| Product description | Number | Pack Size | Price |
| Diphenylphosphine oxide 97% | 287881 | 1g | $80.5 |
| Diphenylphosphine oxide 97% | 287881 | 5g | $174 |
| Diphenylphosphine Oxide >98.0%(GC) | D2826 | 5g | $146 |
| Diphenylphosphine Oxide >98.0%(GC) | D2826 | 25g | $501 |
| Diphenylphosphine oxide | 273793 | 1g | $347 |
| More product size | |||
| 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 |
| InChIKey | ASUOLLHGALPRFK-UHFFFAOYSA-N |
| SMILES | P(=O)(C1=CC=CC=C1)C1=CC=CC=C1 |
| CAS DataBase Reference | 4559-70-0(CAS DataBase Reference) |
| FDA UNII | XXW49HG6X3 |
| UNSPSC Code | 12352002 |
| NACRES | NA.22 |
SAFETY
Risk and Safety Statements
| Symbol(GHS) | ![]() GHS07 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Warning | |||||||||
| Hazard statements | H302-H315-H319-H335 | |||||||||
| Precautionary statements | P261-P264-P270-P301+P312-P302+P352-P305+P351+P338 | |||||||||
| Hazard Codes | Xn | |||||||||
| Risk Statements | 22-36/37/38 | |||||||||
| Safety Statements | 26 | |||||||||
| WGK Germany | 2 | |||||||||
| HS Code | 29319090 | |||||||||
| NFPA 704 |
|
Diphenylphosphine oxide price More Price(47)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | 287881 | Diphenylphosphine oxide 97% | 4559-70-0 | 1g | $80.5 | 2025-07-31 | Buy |
| Sigma-Aldrich | 287881 | Diphenylphosphine oxide 97% | 4559-70-0 | 5g | $174 | 2025-07-31 | Buy |
| TCI Chemical | D2826 | Diphenylphosphine Oxide >98.0%(GC) | 4559-70-0 | 5g | $146 | 2025-07-31 | Buy |
| TCI Chemical | D2826 | Diphenylphosphine Oxide >98.0%(GC) | 4559-70-0 | 25g | $501 | 2025-07-31 | Buy |
| Usbiological | 273793 | Diphenylphosphine oxide | 4559-70-0 | 1g | $347 | 2021-12-16 | Buy |
Diphenylphosphine oxide Chemical Properties,Uses,Production
Chemical Properties
Yellow to light orange crystals
Uses
suzuki reaction
Uses
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.
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
reaction suitability
reagent type: ligand
reaction type: Buchwald-Hartwig Cross Coupling Reaction
reagent type: ligand
reaction type: Hydrophosphonylations
reagent type: ligand
reaction type: Suzuki-Miyaura Coupling
Diphenylphosphine oxide Preparation Products And Raw materials
Raw materials
1of3
Preparation Products
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Hebei Chuanghai Biotechnology Co., Ltd | +8615350571055 | Sibel@chuanghaibio.com | China | 8760 | 58 |
| Hebei Yanxi Chemical Co., Ltd. | +8618531123677 | faithe@yan-xi.com | China | 5853 | 58 |
| Henan Fengda Chemical Co., Ltd | +86-371-86557731 +86-13613820652 | info@fdachem.com | China | 20132 | 58 |
| Hebei Zhuanglai Chemical Trading Co.,Ltd | +8613343047651 | admin@zlchemi.com | China | 3692 | 58 |
| HEBEI SHENGSUAN CHEMICAL INDUSTRY CO.,LTD | +86-15350851019; +8615350851019 | admin@86-ss.com | China | 999 | 58 |
| ZHENGZHOU JIUYI TIME NEW MATERIALS CO,.LTD | +86-13017695106 +86-13676922317 | jiuyitime@fdachem.com | China | 16513 | 58 |
| Capot Chemical Co.,Ltd. | +86-(0)57185586718; +8613336195806 | sales@capot.com | China | 29735 | 60 |
| Henan Tianfu Chemical Co.,Ltd. | +86-0371-55170693 +86-19937530512 | info@tianfuchem.com | China | 21610 | 55 |
| Shanghai Time Chemicals CO., Ltd. | +86-021-57951555 +8617317452075 | jack.li@time-chemicals.com | China | 1803 | 55 |
| Nanjing ChemLin Chemical Industry Co., Ltd. | 025-83697070 | product@chemlin.com.cn | CHINA | 3009 | 60 |
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View Lastest Price from Diphenylphosphine oxide manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
![]() |
2025-12-24 | Diphenylphosphine oxide
4559-70-0
|
US $448.00 / KG | 1KG | 99% | 1000 tons | Shaanxi Dideu Medichem Co. Ltd | |
![]() |
2025-12-16 | Diphenylphosphine oxide
4559-70-0
|
US $100.00-75.00 / kg | 1kg | 99% | 5000 | HEBEI SHENGSUAN CHEMICAL INDUSTRY CO.,LTD | |
![]() |
2025-12-11 | Diphenylphosphine oxide
4559-70-0
|
US $10.00 / KG | 1KG | 99% | 5tons | Hebei Chuanghai Biotechnology Co., Ltd |
-

- Diphenylphosphine oxide
4559-70-0
- US $448.00 / KG
- 99%
- Shaanxi Dideu Medichem Co. Ltd
-

- Diphenylphosphine oxide
4559-70-0
- US $100.00-75.00 / kg
- 99%
- HEBEI SHENGSUAN CHEMICAL INDUSTRY CO.,LTD
-

- Diphenylphosphine oxide
4559-70-0
- US $10.00 / KG
- 99%
- Hebei Chuanghai Biotechnology Co., Ltd





