Pentetic Acid
Title: Pentetic Acid
CAS Registry Number: 67-43-6
CAS Name: N,N-Bis[2-[bis(carboxymethyl)amino]ethyl]glycine
Additional Names: [[(carboxymethyl)imino]bis(ethylenenitrilo)]tetraacetic acid; pentacarboxymethyl diethylenetriamine; diethylenetriamine pentaacetic acid; DTPA
Molecular Formula: C14H23N3O10
Molecular Weight: 393.35
Percent Composition: C 42.75%, H 5.89%, N 10.68%, O 40.67%
Literature 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).
 
Derivative Type: Trisodium calcium salt see Pentetate Calcium Trisodium
 
Use: Chelating agent.
Therap-Cat: Chelating agent (iron).
Keywords: Chelating Agent.

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