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330507

Sigma-Aldrich

Ethylenediaminetetraacetic acid diammonium salt hydrate

97%

Synonym(s):

Diammonium EDTA monohydrate

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About This Item

Linear Formula:
HO2CCH2N(CH2CO2NH4)CH2CH2N(CH2CO2NH4)CH2CO2H·xH2O
CAS Number:
304675-80-7
Molecular Weight:
326.30 (anhydrous basis)
EC Number:
244-063-4
MDL number:
MFCD00150463
UNSPSC Code:
12352116
PubChem Substance ID:
24859865
NACRES:
NA.22

Quality Level

100

assay

97%

form

solid

mp

218 °C (dec.) (lit.)

SMILES string

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

InChI

1S/C10H16N2O8.2H3N.H2O/c13-7(14)3-11(4-8(15)16)1-2-12(5-9(17)18)6-10(19)20;;;/h1-6H2,(H,13,14)(H,15,16)(H,17,18)(H,19,20);2*1H3;1H2

InChI key

WRSUMHYBOYWMTD-UHFFFAOYSA-N

General description

Ethylenediaminetetraacetic acid diammonium salt hydrate, also known as EDTA diammonium salt hydrate. It is a derivative of ethylenediaminetetraacetic acid (EDTA) and is commonly used as a chelating agent in various applications due to its ability to bind to various metal ions and form stable complexes.

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

Certificates of Analysis (COA)

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Atsushi Hirano et al.
ACS nano, 13(2), 1805-1816 (2019-01-27)
Nanomaterials introduced into biological systems are immediately coated by proteins in vivo. They induce oxidative stress on adsorbed proteins and hence alter the protein structures, which determines the fate pathways and biological impacts of nanomaterials. Carbon nanotubes (CNTs) have been

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