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N9877

Sigma-Aldrich

Nitrilotriacetic acid

Sigma Grade, ≥99%

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:
139-13-9
Molecular Weight:
191.14
Beilstein:
1710776
EC Number:
205-355-7
MDL number:
MFCD00004287
UNSPSC Code:
12352106
PubChem Substance ID:
24897916
NACRES:
NA.31

grade

Sigma Grade

Quality Level

200

Assay

≥99%

form

powder

reaction suitability

reagent type: reductant

pH

1.7-2.7 (23 °C, 10 g/L)

mp

245 °C (dec.) (lit.)

solubility

1 M NaOH: 100 mg/mL, clear to very slightly hazy, colorless to light yellow

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

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Application

An excellent chelating agent.

Pictograms

Health hazardExclamation mark
GHS08,GHS07

Signal Word

Warning

Hazard Statements

H302,H319,H351

Hazard Classifications

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

Storage Class Code

11 - Combustible Solids

WGK

WGK 2

Flash Point(F)

212.0 °F - closed cup

Flash Point(C)

100 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
MKCT9955
MKCS9058
MKCS9057
MKCS4599
MKCM6783

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