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32318

Supelco

Diethylenetriaminepentaacetic acid

for complexometry, ≥99.0%

Synonym(s):

(Carboxymethylimino)bis(ethylenenitrilo)tetraacetic acid, N,N-Bis(2-[bis(carboxymethyl)amino]ethyl)glycine, DETAPAC, DTPA, Penta(carboxymethyl)diethylenetriamine, Pentetic acid

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About This Item

Linear Formula:
[(HOOCCH2)2NCH2CH2]2NCH2COOH
CAS Number:
67-43-6
Molecular Weight:
393.35
Beilstein:
1810219
EC Number:
200-652-8
MDL number:
MFCD00004289
UNSPSC Code:
12000000
PubChem Substance ID:
24859222

grade

for complexometry

Assay

≥99.0% (KT)
≥99.0%

ign. residue

≤0.05% (as SO4)

loss

≤0.1% loss on drying, 20 °C (HV)

mp

219-220 °C (lit.)

solubility

0.1 M NaOH: 0.1 M at 20 °C, clear, colorless

SMILES string

OC(=O)CN(CCN(CC(O)=O)CC(O)=O)CCN(CC(O)=O)CC(O)=O

InChI

1S/C14H23N3O10/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)

InChI key

QPCDCPDFJACHGM-UHFFFAOYSA-N

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General description

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Other Notes

Preparation of the complexes: Na2Fe(DTPA)], Na2(Cr(DTPA)) and H2[Gd(DTPA)], which have been found to function extremely well as water soluble paramagnetic relaxation reagents for 13C NMR spectroscopy

Pictograms

Health hazardExclamation mark
GHS08,GHS07

Signal Word

Danger

Hazard Statements

H319,H332,H360D,H373

Hazard Classifications

Acute Tox. 4 Inhalation - Eye Irrit. 2 - Repr. 1B - STOT RE 2 Inhalation

Target Organs

Respiratory Tract

Storage Class Code

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 2

Flash Point(F)

392.0 °F - closed cup

Flash Point(C)

200 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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T.J. Wenzel et al.
Analytical Chemistry, 54, 615-615 (1982)
Katsuhiko Sueda et al.
Health physics, 105(2), 208-214 (2013-06-27)
Diethylenetriaminepentaacetic acid (DTPA) is a chelating agent that is used to facilitate the elimination of radionuclides such as americium from contaminated individuals. Its primary site of action is in the blood, where it competes with various biological ligands, including transferrin
Sébastien Leguay et al.
Inorganic chemistry, 51(23), 12638-12649 (2012-11-17)
Complexation of trivalent actinides with DTPA (diethylenetriamine pentaacetic acid) was studied as a function of pcH and temperature in (Na,H)Cl medium of 0.1 M ionic strength. Formation constants of both complexes AnHDTPA(-) and AnDTPA(2-) (where An stands for Am, Cm
Justin Hoffman et al.
Bioconjugate chemistry, 23(10), 2098-2104 (2012-09-22)
Protease activated receptor-2 (PAR(2)) is one of four G-protein coupled receptors (GPCRs) that can be activated by exogenous or endogenous proteases, which cleave the extracellular amino-terminus to expose a tethered ligand and subsequent G-protein signaling. Alternatively, PAR(2) can be activated
Ngoc H On et al.
Journal of neuro-oncology, 111(2), 133-143 (2012-11-28)
The present study evaluates, both functionally and biochemically, brain tumor-induced alterations in brain capillary endothelial cells. Brain tumors were induced in Balb/c mice via intracranial injection of Lewis Lung carcinoma cells into the right hemisphere of the mouse brain using
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