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T7633

Sigma-Aldrich

Triethylenetetramine-N,N,N′,N′′,N′′′,N′′′-hexaacetic acid

for complexometry, ≥98.0%

Synonym(s):

TTHA

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About This Item

Linear Formula:
[-CH2N(CH2CO2H)CH2CH2N(CH2CO2H)2]2
CAS Number:
869-52-3
Molecular Weight:
494.45
Beilstein/REAXYS Number:
1811090
EC Number:
212-790-6
MDL number:
MFCD00004290
UNSPSC Code:
12352100
PubChem Substance ID:
57654699
NACRES:
NA.22

grade

for complexometry

Quality Level

200

assay

≥98.0%

form

powder

mp

232-233 °C (lit.)

SMILES string

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

InChI

1S/C18H30N4O12/c23-13(24)7-19(3-5-21(9-15(27)28)10-16(29)30)1-2-20(8-14(25)26)4-6-22(11-17(31)32)12-18(33)34/h1-12H2,(H,23,24)(H,25,26)(H,27,28)(H,29,30)(H,31,32)(H,33,34)

InChI key

RAEOEMDZDMCHJA-UHFFFAOYSA-N

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Related Categories

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

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Certificates of Analysis (COA)

Lot/Batch Number
0000376023
0000338939
0000376023
0000338939
0000309285

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Agnieszka Gawin et al.
Scientific reports, 10(1), 12470-12470 (2020-07-29)
Bacterial alginate initially consists of 1-4-linked β-D-mannuronic acid residues (M) which can be later epimerized to α-L-guluronic acid (G). The family of AlgE mannuronan C-5-epimerases from Azotobacter vinelandii has been extensively studied, and three genes putatively encoding AlgE-type epimerases have
S M Eleff et al.
Magnetic resonance in medicine, 30(1), 11-17 (1993-07-01)
The intracellular to extracellular sodium distribution is one of the primary determinants of action potentials necessary for the electrical function of organs such as brain, heart and skeletal muscle. The ability of shift reagent enhanced 23Na MRS to directly measure
Y Boulanger et al.
NMR in biomedicine, 5(1), 1-10 (1992-01-01)
The effects of two widely used paramagnetic shift reagents for cationic NMR, dysprosium tripolyphosphate [Dy(PPP)2(7-)] and dysprosium triethylenetetramine hexaacetate [Dy(TTHA)3-], on the cell structure of dog and human erythrocytes, dog kidney cortical tubules and rat hepatocytes were investigated. The effect
Concetta De Stefano et al.
Analytical and bioanalytical chemistry, 375(7), 956-967 (2003-04-23)
The binding ability of diethylene triamine pentaacetate (dtpa(5-)) and triethylene tetraamine hexaacetate (ttha(6-)) ligands towards major components, H(+), Na(+), Mg(2+) and Ca(2+), of natural waters was studied in both single and mixed ionic media at different ionic strengths and at
T Simor et al.
NMR in biomedicine, 6(3), 201-208 (1993-05-01)
Shift-reagent-aided 23Na NMR spectroscopy allows differentiation of the intracellular (Na(i)) and extracellular sodium (Na(o)) signals. The goal of the present study has been to develop a 23Na NMR spectroscopic method to minimize the intensity of the shift-reagent-shifted Na(o) signal and
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