7125. Pentetic Acid

Nomenclature

CAS number: 67-43-6
N,N-Bis[2-[bis(carboxymethyl)amino]ethyl]glycine; [[(carboxymethyl)imino]bis(ethylenenitrilo)]tetraacetic acid; pentacarboxymethyl diethylenetriamine; diethylenetriamine pentaacetic acid; DTPA.
C14H23N3O10; mol wt 393.35.
C 42.75%, H 5.89%, N 10.68%, O 40.67%.

Description and references

Prepn of the acid: Curme et al., US 2384816 (1945 to Carbide and Carbon Chem.); Samoilova, Yashunskii, SU 144479 (1962), C.A. 57, 12326d (1962); of Na salt: GB 601816; GB 601817 (both 1948 to Carbide and Carbon Chem.). Structure and infrared spectrum: Nakamoto et al., J. Am. Chem. Soc. 85, 309 (1963).

Chemical structure

Derivative

Trisodium calcium salt see Pentetate Calcium Trisodium.

Use

Chelating agent.

Therapeutic Category

Chelating agent (iron).

Keywords

Chelating Agent