Bis(4-fluorophenyl)phenylphosphine oxide
双(4-氟苯基)苯基氧化膦
Also known as: 1-fluoro-4-[(4-fluorophenyl)-phenylphosphoryl]benzene, 4,4'-difluorotriphenylphosphine oxide, EINECS 259-079-7, MFCD00239478
Bis(4-fluorophenyl)phenylphosphine oxide (CAS 54300-32-2) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C18H13F2OP and a molecular weight of 314.26600 g/mol. It is also known as 1-fluoro-4-[(4-fluorophenyl)-phenylphosphoryl]benzene, 4,4'-difluorotriphenylphosphine oxide and EINECS 259-079-7. Key properties include a melting point of 125-131ºC(lit.), a boiling point of 454.5ºC at 760 mmHg, a density of 1.28 g/cm3 and a flash point of 228.7ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 54300-32-2
- Jingsj CID
- J-19965-0
- Molecular Formula
- C18H13F2OP
- Chinese Name
- 双(4-氟苯基)苯基氧化膦
- Molecular Weight
- 314.26600 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 125-131ºC(lit.) |
|---|---|
| Boiling Point | 454.5ºC at 760 mmHg |
| Density | 1.28 g/cm3 |
| Flash Point | 228.7ºC |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of Bis(4-fluorophenyl)phenylphosphine oxide?
The CAS number of Bis(4-fluorophenyl)phenylphosphine oxide is 54300-32-2.
What are the molecular formula and molecular weight of Bis(4-fluorophenyl)phenylphosphine oxide?
Bis(4-fluorophenyl)phenylphosphine oxide has molecular formula C18H13F2OP and molecular weight 314.26600 g/mol.
Is Bis(4-fluorophenyl)phenylphosphine oxide hazardous?
Bis(4-fluorophenyl)phenylphosphine oxide has GHS signal word Warning.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Bis(4-fluorophenyl)phenylphosphine oxide (CAS 54300-32-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-19965-0 (accessed 2026-10-23).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.