Diethyl (4-chlorophenyl)phosphonate

(4-氯苯基)-磷酸二乙酯

Also known as: (4-Chlorophenyl)phosphonic acid diethyl ester, 1-chloro-4-diethoxyphosphorylbenzene, 1-chloro-4-diethoxyphosphoryl-benzene, p-Chlorophenyl diethoxy phosphine oxide, p-chloro-benzenephosphonic acid diethyl ester, p-chlorophenyldiethoxyphosphineoxide, Phosphonic acid, P-(4-chlorophenyl)-, diethyl ester, Benzenephosphonic acid, p-chloro-, diethyl ester

Diethyl (4-chlorophenyl)phosphonate (CAS 2373-43-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H14ClO3P and a molecular weight of 248.64300 g/mol. It is also known as (4-Chlorophenyl)phosphonic acid diethyl ester, 1-chloro-4-diethoxyphosphorylbenzene and 1-chloro-4-diethoxyphosphoryl-benzene. Key properties include a boiling point of 309.2ºC at 760mmHg, a density of 1.21g/cm3 and a flash point of 185.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

2373-43-5

Jingsj CID

J-1131420-2

Molecular Formula

C₁₀H₁₄ClO₃P

Chinese Name

(4-氯苯基)-磷酸二乙酯

Molecular Weight

248.64300 g/mol

Category

Organic Acids

Last updated

8/21/2026