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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

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)
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)
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)
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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