(2-Phenylethyl)phosphonic acid

(2-苯乙基)膦酸

Also known as: 2-Phenylethylphosphonic acid, Phenethylphosphonic acid, 2-Phenethylphosphonic acid, Phenylethanephosphonic acid, Phosphonic acid, P-(2-phenylethyl)-, Phosphonic acid, (2-phenylethyl)- (9CI), Phenaethyl-phosphonsaeure, benzyl methylphosphonic acid (incorrect)

(2-Phenylethyl)phosphonic acid (CAS 4672-30-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H11O3P and a molecular weight of 186.14500 g/mol. It is also known as 2-Phenylethylphosphonic acid, Phenethylphosphonic acid and 2-Phenethylphosphonic acid. Key properties include a melting point of 138 °C, a boiling point of 386.4ºC at 760 mmHg, a density of 1.316 g/cm3 and a flash point of 187.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
4672-30-4
Jingsj CID
J-1093072-2
Molecular Formula
C8H11O3P
Chinese Name
(2-苯乙基)膦酸
Molecular Weight
186.14500 g/mol
Category
Organic Acids
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point138 °C
Boiling Point386.4ºC at 760 mmHg
Density1.316 g/cm3
Flash Point187.5ºC

Frequently Asked Questions

What is the CAS number of (2-Phenylethyl)phosphonic acid?

The CAS number of (2-Phenylethyl)phosphonic acid is 4672-30-4.

What are the molecular formula and molecular weight of (2-Phenylethyl)phosphonic acid?

(2-Phenylethyl)phosphonic acid has molecular formula C8H11O3P and molecular weight 186.14500 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "(2-Phenylethyl)phosphonic acid (CAS 4672-30-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1093072-2 (accessed 2026-10-24).

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