Tetraethyl dimethylaminomethylenediphosphonate

二甲氨基亚甲基二磷酸四乙酯

Also known as: 1,1-bis(diethoxyphosphoryl)-N,N-dimethylmethanamine, (dimethylaminomethylene)diphosphonic acid tetraethyl ester, tetraethyl [(dimethylamino)methylene]diphosphonate, tetraethyl((dimethylamino)methylene)bisphosphonate, dimethylaminomethanbisphosphonsaeuretetraethylester, [(dimethylamino)methylene]bis(phosphonic acid diethyl) ester, tetraethyl dimethylaminomethylene diphosphonate, tetraethyldimethylaminomethylene bisphosphonate

Tetraethyl dimethylaminomethylenediphosphonate (CAS 18855-52-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H27NO6P2 and a molecular weight of 331.28300 g/mol. It is also known as 1,1-bis(diethoxyphosphoryl)-N,N-dimethylmethanamine, (dimethylaminomethylene)diphosphonic acid tetraethyl ester and tetraethyl [(dimethylamino)methylene]diphosphonate. Key properties include a boiling point of 114ºC, a density of 1.136g/cm3 and a flash point of 188.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
18855-52-2
Jingsj CID
J-2966-3
Molecular Formula
C11H27NO6P2
Chinese Name
二甲氨基亚甲基二磷酸四乙酯
Molecular Weight
331.28300 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point114ºC
Density1.136g/cm3
Flash Point188.3ºC

Frequently Asked Questions

What is the CAS number of Tetraethyl dimethylaminomethylenediphosphonate?

The CAS number of Tetraethyl dimethylaminomethylenediphosphonate is 18855-52-2.

What are the molecular formula and molecular weight of Tetraethyl dimethylaminomethylenediphosphonate?

Tetraethyl dimethylaminomethylenediphosphonate has molecular formula C11H27NO6P2 and molecular weight 331.28300 g/mol.

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

Last updated:

How to cite: Jingsj. "Tetraethyl dimethylaminomethylenediphosphonate (CAS 18855-52-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-2966-3 (accessed 2026-10-22).

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