Phosphonic acid, P-[(4-ethenylphenyl)methyl]-, diethyl ester

4-乙烯基苄基膦酸二乙酯

Also known as: diethyl 4-vinylbenzylphosphonate, Diethyl (p-Vinylbenzyl)phosphonate, 4-Vinylbenzylphosphonic acid diethyl ester, Phosphonic acid, [(4-ethenylphenyl)methyl]-, diethyl ester, 1-(diethoxyphosphorylmethyl)-4-ethenylbenzene, diethyl p-vinylbenzylphosphonate, ethyl 4-phosphonatomethylstyrene

Phosphonic acid, P-[(4-ethenylphenyl)methyl]-, diethyl ester (CAS 726-61-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C13H19O3P and a molecular weight of 254.262 g/mol. It is also known as diethyl 4-vinylbenzylphosphonate, Diethyl (p-Vinylbenzyl)phosphonate and 4-Vinylbenzylphosphonic acid diethyl ester. Key properties include a boiling point of 364.2±21.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 187.7±42.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

726-61-4

Jingsj CID

J-1357978-0

Molecular Formula

C₁₃H₁₉O₃P

Chinese Name

4-乙烯基苄基膦酸二乙酯

Molecular Weight

254.262 g/mol

Category

Organic Acids

Last updated

8/21/2026