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Merck
CN

72560

Nitrilotriacetic acid

ACS reagent grade, ≥99.0% (T), ≥99.0%, powder

Synonym(s):

N,N-Bis(carboxymethyl)glycine, NTA, Tris(carboxymethyl)amine

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About This Item

Linear Formula:
N(CH2COOH)3
CAS Number:
Molecular Weight:
191.14
NACRES:
NA.21
PubChem Substance ID:
UNSPSC Code:
12352100
EC Number:
205-355-7
MDL number:
Beilstein/REAXYS Number:
1710776
Assay:
≥99.0% (T), ≥99.0%
Form:
powder
Grade:
ACS reagent
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Product Name

Nitrilotriacetic acid, ACS reagent, ≥99.0%

grade

ACS reagent

Quality Level

assay

≥99.0% (T), ≥99.0%

form

powder

ign. residue

≤0.1% (as SO4)

loss

≤0.1% loss on drying

mp

245 °C (dec.) (lit.)

anion traces

chloride (Cl-): ≤100 mg/kg

cation traces

Ca: ≤10 mg/kg, Cd: ≤5 mg/kg, Co: ≤5 mg/kg, Cr: ≤5 mg/kg, Cu: ≤5 mg/kg, Fe: ≤20 mg/kg, K: ≤50 mg/kg, Mg: ≤5 mg/kg, Mn: ≤5 mg/kg, Na: ≤500 mg/kg, Ni: ≤5 mg/kg, Pb: ≤5 mg/kg, Zn: ≤5 mg/kg

functional group

amine, carboxylic acid

SMILES string

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

InChI

1S/C6H9NO6/c8-4(9)1-7(2-5(10)11)3-6(12)13/h1-3H2,(H,8,9)(H,10,11)(H,12,13)

InChI key

MGFYIUFZLHCRTH-UHFFFAOYSA-N

Application

An excellent chelating agent.


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pictograms

Health hazardExclamation mark

signalword

Warning

Hazard Classifications

Acute Tox. 4 Oral - Carc. 2 - Eye Irrit. 2

Storage Class

11 - Combustible Solids

wgk

WGK 2

flash_point_f

212.0 °F - closed cup

flash_point_c

100 °C - closed cup

ppe

Eyeshields, Gloves, type P3 (EN 143) respirator cartridges



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John I Njagi et al.
Journal of colloid and interface science, 421, 27-32 (2014-03-07)
We report for the first time that nitrilotriacetic acid (NTA) is an effective reductant for the preparation of stable dispersions of uniform gold nanoparticles. The method described is capable of generating stable sols with a metal concentration as high as
Eagleson M.
Concise Encyclopedia Chemistry, 253-253 (1994)
Syntheses and structures of bismuth (III) complexes with nitrilotriacetic acid, ethylenediaminetetraacetic acid, and diethylenetriaminepentaacetic acid.
Summers SP, et al.
Inorganic Chemistry, 33(1), 88-92 (1994)



Global Trade Item Number

SKUGTIN
45615-250MG04061833948156
72560-500G04061832861852
72560-100G04061832861845