(4-Hydroxyphenyl)diphenylphosphine
Also known as: 4-(Diphenylphosphino)phenol, Diphenyl-(4-hydroxyphenyl)phosphine, 4-diphenylphosphanylphenol, p-Hydroxyphenyl(diphenyl)phosphine, Phenol, 4-(diphenylphosphino)-, MFCD00775358
(4-Hydroxyphenyl)diphenylphosphine (CAS 5068-21-3) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C18H15OP and a molecular weight of 278.28500 g/mol. Key properties include a melting point of 105-110ºC(lit.), a boiling point of 406.8ºC at 760 mmHg and a flash point of 199.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 5068-21-3
- Jingsj CID
- J-22465-7
- Molecular Formula
- C18H15OP
- Molecular Weight
- 278.28500 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 105-110ºC(lit.) |
|---|---|
| Boiling Point | 406.8ºC at 760 mmHg |
| Flash Point | 199.8ºC |
| Exact Mass | 278.08600 |
| PSA | 33.82000 |
| LogP | 3.15040 |
Customs & Trade Information
| HS Code | 2907199090 |
|---|---|
| Summary | 2907199090 other monophenols VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of (4-Hydroxyphenyl)diphenylphosphine?
The CAS number of (4-Hydroxyphenyl)diphenylphosphine is 5068-21-3.
What are the molecular formula and molecular weight of (4-Hydroxyphenyl)diphenylphosphine?
(4-Hydroxyphenyl)diphenylphosphine has molecular formula C18H15OP and molecular weight 278.28500 g/mol.
What are the upstream and downstream products of (4-Hydroxyphenyl)diphenylphosphine?
For (4-Hydroxyphenyl)diphenylphosphine, Upstream Products: 4-Iodophenol, Diphenylphosphine, (4-bromophenoxy)-tert-butyldimethylsilane.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "(4-Hydroxyphenyl)diphenylphosphine (CAS 5068-21-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-22465-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.