Phosphonic acid, P-[4-(trifluoromethyl)phenyl]-, diethyl ester

(4-三氟甲基-苯基)-磷酸二乙酯

Also known as: Diethyl (4-(trifluoromethyl)phenyl)phosphonate, Diethyl p-(trifluoromethyl)phenylphosphonate, Diethyl P-[4-(trifluoromethyl)phenyl]phosphonate, 1-diethoxyphosphoryl-4-(trifluoromethyl)benzene, (4-trifluoromethyl)benzenephosphonic acid diethyl ester, CHEMPACIFIC 60131, Phosphonic acid, [4-(trifluoromethyl)phenyl]-, diethyl ester

Phosphonic acid, P-[4-(trifluoromethyl)phenyl]-, diethyl ester (CAS 77918-46-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H14F3O3P and a molecular weight of 282.19600 g/mol. It is also known as Diethyl (4-(trifluoromethyl)phenyl)phosphonate, Diethyl p-(trifluoromethyl)phenylphosphonate and Diethyl P-[4-(trifluoromethyl)phenyl]phosphonate. Key properties include a boiling point of 291ºC at 760 mmHg, a density of 1.24g/cm3 and a flash point of 129.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
77918-46-8
Jingsj CID
J-1174805-6
Molecular Formula
C11H14F3O3P
Chinese Name
(4-三氟甲基-苯基)-磷酸二乙酯
Molecular Weight
282.19600 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point291ºC at 760 mmHg
Density1.24g/cm3
Flash Point129.8ºC

Frequently Asked Questions

What is the CAS number of Phosphonic acid, P-[4-(trifluoromethyl)phenyl]-, diethyl ester?

The CAS number of Phosphonic acid, P-[4-(trifluoromethyl)phenyl]-, diethyl ester is 77918-46-8.

What are the molecular formula and molecular weight of Phosphonic acid, P-[4-(trifluoromethyl)phenyl]-, diethyl ester?

Phosphonic acid, P-[4-(trifluoromethyl)phenyl]-, diethyl ester has molecular formula C11H14F3O3P and molecular weight 282.19600 g/mol.

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

Last updated:

How to cite: Jingsj. "Phosphonic acid, P-[4-(trifluoromethyl)phenyl]-, diethyl ester (CAS 77918-46-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1174805-6 (accessed 2026-10-25).

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