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

(4-甲硫基苯基)磷酸二乙酯

Also known as: (4-Methylsulfanyl-phenyl)-phosphonic acid diethyl ester, 1-Diethoxyphosphoryl-4-methylsulfanylbenzene, Diethyl 4-methylthiophenylphosphonate, Phosphonic acid, [4-(methylthio)phenyl]-, diethyl ester, Phosphonicacid, [4-(methylthio)phenyl]-, diethyl ester

Phosphonic acid, P-[4-(methylthio)phenyl]-, diethyl ester (CAS 77918-45-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H17O3PS and a molecular weight of 260.29000 g/mol. It is also known as (4-Methylsulfanyl-phenyl)-phosphonic acid diethyl ester, 1-Diethoxyphosphoryl-4-methylsulfanylbenzene and Diethyl 4-methylthiophenylphosphonate. Key properties include a boiling point of 345.222ºC at 760 mmHg, a density of 1.16g/cm3 and a flash point of 162.585ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
77918-45-7
Jingsj CID
J-1500330-2
Molecular Formula
C11H17O3PS
Chinese Name
(4-甲硫基苯基)磷酸二乙酯
Molecular Weight
260.29000 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point345.222ºC at 760 mmHg
Density1.16g/cm3
Flash Point162.585ºC

Frequently Asked Questions

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

The CAS number of Phosphonic acid, P-[4-(methylthio)phenyl]-, diethyl ester is 77918-45-7.

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

Phosphonic acid, P-[4-(methylthio)phenyl]-, diethyl ester has molecular formula C11H17O3PS and molecular weight 260.29000 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-(methylthio)phenyl]-, diethyl ester (CAS 77918-45-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1500330-2 (accessed 2026-10-24).

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