7124. Pentetate Calcium Trisodium

Nomenclature

CAS number: 12111-24-9
[N-[2-[Bis(carboxy-κO)methyl]amino-κN]ethyl]-N-[2-[[(carboxy-κO)methyl](carboxymethyl)amino-κN]ethyl]glycinato(5-)-κN-calciate(3-) trisodium; [N,N-bis[2-[bis(carboxymethyl)amino]ethyl]glycinato(5-)]calciate(3-) trisodium; calcium trisodium pentetate; sodium[[[(carboxymethyl)imino]bis(ethylenenitrilo)]tetraacetato]calciate; [[(carboxymethyl)imino]bis(ethylenenitrilo)]tetraacetic acid calcium complex trisodium salt; trisodium calcium diethylenetriaminepentaacetate; pentacin; Calcium Chel 330 (Geigy); Ditripentat (Heyl); Penthamil (Geigy).
C14H18CaN3Na3O10; mol wt 497.35.
C 33.81%, H 3.65%, Ca 8.06%, N 8.45%, Na 13.87%, O 32.17%.

Description and references

Prepn: Rubin, Dexter, US 3062719 (1962 to Geigy). Effects in uranium poisoning in rats: R. Dagirmanjian et al., J. Pharmacol. Exp. Ther. 117, 20 (1956); in mixed fusion products poisoning: K. Kostial et al., J. Appl. Toxicol. 3, 291 (1983).

Chemical structure

Properties

Solid. Sol in water. Practically insol in alcohol. Used in aq soln. LD50 i.p. in rats: 3.8 g/kg (Dagirmanjian).

Therapeutic Category

Chelating agent (plutonium and other transuranium elements).

Keywords

Chelating Agent