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32325

Sigma-Aldrich

Diethylenetriamine-pentaacetic acid calcium trisodium salt hydrate

≥97.0% (dried material, KT)

Synonym(s):

CaNa3-DTPA, Calcium-trisodium diethylenetriamine-pentaacetate hydrate

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About This Item

Empirical Formula (Hill Notation):
C14H18CaN3Na3O10 · xH2O
CAS Number:
Molecular Weight:
497.35 (anhydrous basis)
Beilstein:
8182304
MDL number:
UNSPSC Code:
12352116
PubChem Substance ID:
NACRES:
NA.22

Quality Level

Assay

≥97.0% (dried material, KT)

form

powder

impurities

~10% water

functional group

amine

SMILES string

[Na+].[Na+].[Na+].[H]O[H].[O-]C(=O)CN(CCN(CC([O-])=O)CC([O-])=O)CCN1CC(=O)O[Ca]OC(=O)C1

InChI

1S/C14H23N3O10.Ca.3Na.H2O/c18-10(19)5-15(1-3-16(6-11(20)21)7-12(22)23)2-4-17(8-13(24)25)9-14(26)27;;;;;/h1-9H2,(H,18,19)(H,20,21)(H,22,23)(H,24,25)(H,26,27);;;;;1H2/q;+2;3*+1;/p-5

InChI key

AWBWYUNJDQLQGT-UHFFFAOYSA-I

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Application

Diethylenetriamine-pentaacetic acid calcium trisodium salt hydrate (CaNa3-DTPA) is a chelator, which can be used as an antidote to metal poisoning. It is generally used to sequester cadmium, beryllium, actinides including plutonium and americium.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Chelators as antidotes of metal toxicity: therapeutic and experimental aspects.
Blanusa M, et al.
Current Medicinal Chemistry, 12(23), 2771-2794 (2005)
Comparative effectiveness of CaNa 3 DTPA and tiron along with α-tocopherol against beryllium-induced biochemical alterations in rats.
Mathur R, et al.
Indian Journal of Experimental Biology (2004)
Influence of methionine administration during chelation of cadmium by CaNa3DTPA and DMPS in the rat1.
Tandon S K, et al.
Environmental Toxicology and Pharmacology, 3(3), 159-165 (1997)
Competitive binding of Pu and Am with bone mineral and novel chelating agents.
Guilmette R A, et al.
Radiation Protection Dosimetry, 105(1-4), 527-534 (2003)

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