1,3-Propylenediaminetetraacetic acid

1,3-丙二胺-N,N,N',N'-四乙酸

Also known as: PDTA, Trimethylenediaminetetraacetic acid, 1,3-Diaminopropane-N,N,N',N'-tetraacetic acid, 1,3-Propanediamine-N,N,N',N'-tetraacetic acid, Propylenedinitrilotetraacetic acid, 2-[3-[bis(carboxymethyl)amino]propyl-(carboxymethyl)amino]acetic acid, Glycine, N,N'-1,3-propanediylbis(N-(carboxymethyl)

1,3-Propylenediaminetetraacetic acid (CAS 1939-36-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H18N2O8 and a molecular weight of 306.26900 g/mol. It is also known as PDTA, Trimethylenediaminetetraacetic acid and 1,3-Diaminopropane-N,N,N',N'-tetraacetic acid. Key properties include a melting point of ~250 °C (dec.), a boiling point of 620.5ºC at 760mmHg, a density of 1.507g/cm3 and a flash point of 329.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

1939-36-2

Jingsj CID

J-1108021-3

Molecular Formula

C₁₁H₁₈N₂O₈

Chinese Name

1,3-丙二胺-N,N,N',N'-四乙酸

Molecular Weight

306.26900 g/mol

Category

Organic Acids

Last updated

8/21/2026