Triethylenetetramine-N,N,N',N'',N''',N'''-hexaacetic acid

三亚乙基四胺六乙酸

Also known as: TTHA, Triethylenetetraminehexaacetic acid, 2,2',2'',2'''-[Ethylenebis(carboxymethylimino)bisethylenebisnitrilo]tetraacetic acid, 2,2',2'',2'''-[Ethylenebis[(carboxymethylimino)ethylenenitrilo]]tetraacetic acid, 3,6,9,12-Tetrakis(carboxymethyl)-3,6,9,12-tetraazatetradecane-1,14-dioic acid

Triethylenetetramine-N,N,N',N'',N''',N'''-hexaacetic acid (CAS 869-52-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C18H30N4O12 and a molecular weight of 494.450 g/mol. It is also known as TTHA, Triethylenetetraminehexaacetic acid and 2,2',2'',2'''-[Ethylenebis(carboxymethylimino)bisethylenebisnitrilo]tetraacetic acid. Key properties include a melting point of 232-233 °C(lit.), a boiling point of 818.3±65.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 448.7±34.3 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
869-52-3
Jingsj CID
J-1523445-4
Molecular Formula
C18H30N4O12
Chinese Name
三亚乙基四胺六乙酸
Molecular Weight
494.450 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point232-233 °C(lit.)
Boiling Point818.3±65.0 °C at 760 mmHg
Density1.5±0.1 g/cm3
Flash Point448.7±34.3 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of Triethylenetetramine-N,N,N',N'',N''',N'''-hexaacetic acid?

The CAS number of Triethylenetetramine-N,N,N',N'',N''',N'''-hexaacetic acid is 869-52-3.

What are the molecular formula and molecular weight of Triethylenetetramine-N,N,N',N'',N''',N'''-hexaacetic acid?

Triethylenetetramine-N,N,N',N'',N''',N'''-hexaacetic acid has molecular formula C18H30N4O12 and molecular weight 494.450 g/mol.

Is Triethylenetetramine-N,N,N',N'',N''',N'''-hexaacetic acid hazardous?

Triethylenetetramine-N,N,N',N'',N''',N'''-hexaacetic acid has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "Triethylenetetramine-N,N,N',N'',N''',N'''-hexaacetic acid (CAS 869-52-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1523445-4 (accessed 2026-10-24).

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