Diethyl (4-biphenylylmethyl)phosphonate

(4-联苯基甲基)膦酸二乙酯

Also known as: DIETHYL (4-BIPHENYLYLMETHYL)PHOSPHONATE, Diethyl (4-phenylbenzyl)phosphonate, Phosphonic acid, P-([1,1'-biphenyl]-4-ylmethyl)-, diethyl ester, 1-(diethoxyphosphorylmethyl)-4-phenylbenzene, 4-[(Diethoxyphosphoryl)methyl]-1,1'-biphenyl, Diethyl P-([1,1'-biphenyl]-4-ylmethyl)phosphonate, diethyl 4-phenylbenzylphosphonate, diethyl biphenyl-4-ylmethylphosphonate

Diethyl (4-biphenylylmethyl)phosphonate (CAS 30818-70-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C17H21O3P and a molecular weight of 304.32100 g/mol. It is also known as DIETHYL (4-BIPHENYLYLMETHYL)PHOSPHONATE, Diethyl (4-phenylbenzyl)phosphonate and Phosphonic acid, P-([1,1'-biphenyl]-4-ylmethyl)-, diethyl ester. Key properties include a melting point of 58-60ºC, a boiling point of 438.3ºC at 760 mmHg, a density of 1.11g/cm3 and a flash point of 232.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

30818-70-3

Jingsj CID

J-1439734-1

Molecular Formula

C₁₇H₂₁O₃P

Chinese Name

(4-联苯基甲基)膦酸二乙酯

Molecular Weight

304.32100 g/mol

Category

Organic Acids

Last updated

8/21/2026