Tetramethyl Ethylenediphosphonate

四甲基乙二膦酸

Also known as: Phosphonic acid, P,P'-(1,2-ethanediyl)bis-, P,P,P',P'-tetramethyl ester, Phosphonic acid, ethylenedi-, tetramethyl ester, 1,2-bis(dimethoxyphosphoryl)ethane, Ethan-1,2-bis-phosphonsaeure-tetramethylester, Ethylen-diphosphonsaeure-tetramethylester

Tetramethyl Ethylenediphosphonate (CAS 5927-50-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H16O6P2 and a molecular weight of 246.13500 g/mol. It is also known as Phosphonic acid, P,P'-(1,2-ethanediyl)bis-, P,P,P',P'-tetramethyl ester, Phosphonic acid, ethylenedi-, tetramethyl ester and 1,2-bis(dimethoxyphosphoryl)ethane. Key properties include a boiling point of 324.2ºC at 760 mmHg, a density of 1.222g/cm3 and a flash point of 163.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
5927-50-4
Jingsj CID
J-1331207-7
Molecular Formula
C6H16O6P2
Chinese Name
四甲基乙二膦酸
Molecular Weight
246.13500 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point324.2ºC at 760 mmHg
Density1.222g/cm3
Flash Point163.7ºC

Frequently Asked Questions

What is the CAS number of Tetramethyl Ethylenediphosphonate?

The CAS number of Tetramethyl Ethylenediphosphonate is 5927-50-4.

What are the molecular formula and molecular weight of Tetramethyl Ethylenediphosphonate?

Tetramethyl Ethylenediphosphonate has molecular formula C6H16O6P2 and molecular weight 246.13500 g/mol.

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

Last updated:

How to cite: Jingsj. "Tetramethyl Ethylenediphosphonate (CAS 5927-50-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1331207-7 (accessed 2026-10-22).

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