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H7154

Sigma-Aldrich

N-(2-Hydroxyethyl)ethylenediamine-N,N′,N′-triacetic acid

BioXtra, ≥98%

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Synonym(s):
N-Carboxymethyl-N′-(2-hydroxyethyl)-N,N′-ethylenediglycine, HEDTA, HEEDTA
Linear Formula:
HOCH2CH2N(CH2CO2H)CH2CH2N(CH2CO2H)2
CAS Number:
150-39-0
Molecular Weight:
278.26
Beilstein:
1804795
EC Number:
205-759-3
MDL number:
MFCD00004294
UNSPSC Code:
12352116
PubChem Substance ID:
24895788
NACRES:
NA.22

product line

BioXtra

Quality Level

200

Assay

≥98%

impurities

≤0.0005% Phosphorus (P)
≤0.1% Insoluble matter

ign. residue

≤1%

mp

212 °C (dec.) (lit.)

solubility

3  M NaOH: 0.1 M, clear, colorless

anion traces

chloride (Cl-): ≤0.05%
sulfate (SO42-): ≤1%

cation traces

Al: ≤0.0005%
Ca: ≤0.0005%
Cu: ≤0.0005%
Fe: ≤0.0005%
K: ≤0.005%
Mg: ≤0.0005%
NH4+: ≤0.05%
Na: ≤0.5%
Pb: ≤0.001%
Zn: ≤0.0005%

SMILES string

OCCN(CCN(CC(O)=O)CC(O)=O)CC(O)=O

InChI

1S/C10H18N2O7/c13-4-3-11(5-8(14)15)1-2-12(6-9(16)17)7-10(18)19/h13H,1-7H2,(H,14,15)(H,16,17)(H,18,19)

InChI key

URDCARMUOSMFFI-UHFFFAOYSA-N

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Application

N-(2-Hydroxyethyl)ethylenediamine-N,N′,N′-triacetic acid (HEDTA) is a chelating agent that is used to form complexes with metal ions such as iron(II), zinc(II), manganese(II) and uranium(VI) ions. It can also be used to prepare fluorescent carbon dots (CDs).

Pictograms

CorrosionExclamation mark
GHS05,GHS07

Signal Word

Danger

Hazard Statements

H302,H315,H318

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1 - Skin Irrit. 2

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Determination of sunset yellow in soft drinks based on fluorescence quenching of carbon dots.
Yuan, Yusheng et al.
Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy, 167(22), 106-110 (2016)
Complexation of Uranium (VI) with N-(2-Hydroxyethyl) ethylenediamine-N, N?, N?-triacetic Acid in Aqueous Solution: Thermodynamic Studies and Coordination Analyses.
Li, Xingliang et al.
Inorganic Chemistry, 204(11), 1391-1397 (2018)
Supramolecular branching and crosslinking of terpyridine-modified copolymers: complexation and decomplexation studies in diluted solution.
Hofmeier, Harald and Schubert, Ulrich S
Macromolecular Chemistry and Physics, 204(11), 1391-1397 (2003)
A novel manganese complex effective as superoxide anion scavenger and therapeutic agent against cell and tissue oxidative injury.
Failli, Paola et al.
Journal of Medicinal Chemistry, 52(22), 7273-7283 (2009)
Patrícia Graça Zanichelli et al.
Journal of inorganic biochemistry, 98(11), 1921-1932 (2004-11-04)
The [Ru(II)(Hedta)NO(+)] complex is a diamagnetic species crystallizing in a distorted octahedral geometry, with the Ru-N(O) length 1.756(4) A and the RuNO angle 172.3(4) degrees . The complex contains one protonated carboxylate (pK(a)=2.7+/-0.1). The [Ru(II)(Hedta)NO(+)] complex undergoes a nitrosyl-centered one-electron
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