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Octasodium ethylenediaminetetra(methylenephosphonate)

乙二胺四亚甲基膦酸钠

Also known as: EDTMPS, Sodium EDTMP, Ethylenediaminetetra(methylenephosphonic acid) sodium salt, Phosphonic acid, 1,2-ethanediylbisnitrilobis(methylene)tetrakis-, sodium salt, Sequion 30Na30, Einecs 244-742-5

Octasodium ethylenediaminetetra(methylenephosphonate) (CAS 22036-77-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H16N2Na4O12P4 and a molecular weight of 524.05200 g/mol. It is also known as EDTMPS, Sodium EDTMP and Ethylenediaminetetra(methylenephosphonic acid) sodium salt. Key properties include a boiling point of 878.7ºC at 760mmHg, a density of 1.993g/cm3 and a flash point of 485.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
22036-77-7
Jingsj CID
J-1402404-5
Molecular Formula
C6H16N2Na4O12P4
Chinese Name
乙二胺四亚甲基膦酸钠
Molecular Weight
524.05200 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point878.7ºC at 760mmHg
Density1.993g/cm3
Flash Point485.2ºC

Frequently Asked Questions

What is the CAS number of Octasodium ethylenediaminetetra(methylenephosphonate)?

The CAS number of Octasodium ethylenediaminetetra(methylenephosphonate) is 22036-77-7.

What are the molecular formula and molecular weight of Octasodium ethylenediaminetetra(methylenephosphonate)?

Octasodium ethylenediaminetetra(methylenephosphonate) has molecular formula C6H16N2Na4O12P4 and molecular weight 524.05200 g/mol.

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

Last updated:

How to cite: Jingsj. "Octasodium ethylenediaminetetra(methylenephosphonate) (CAS 22036-77-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1402404-5 (accessed 2026-10-26).

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