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Merck
CN

H7154

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

BioXtra, ≥98%

Synonym(s):

N-Carboxymethyl-N′-(2-hydroxyethyl)-N,N′-ethylenediglycine, HEDTA, HEEDTA

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About This Item

Linear Formula:
HOCH2CH2N(CH2CO2H)CH2CH2N(CH2CO2H)2
CAS Number:
Molecular Weight:
278.26
UNSPSC Code:
12352116
NACRES:
NA.22
PubChem Substance ID:
EC Number:
205-759-3
Beilstein/REAXYS Number:
1804795
MDL number:
Assay:
≥98%
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product line

BioXtra

Quality Segment

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

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).


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pictograms

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signalword

Danger

Hazard Classifications

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

Storage Class

11 - Combustible Solids

wgk

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves



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