(4-Hydroxyphenyl)diphenylphosphine

(4-羟基苯基)二苯基膦

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. It is also known as 4-(Diphenylphosphino)phenol, Diphenyl-(4-hydroxyphenyl)phosphine and 4-diphenylphosphanylphenol. 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-22465-9
Molecular Formula
C18H15OP
Chinese Name
(4-羟基苯基)二苯基膦
Molecular Weight
278.28500 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point105-110ºC(lit.)
Boiling Point406.8ºC at 760 mmHg
Flash Point199.8ºC

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.

Data compiled from public chemical databases 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-22465-9 (accessed 2026-10-23).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.