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Merck
CN

70072

Ethylenediaminetetraacetic acid tripotassium salt dihydrate

≥99.0% (KT), solid, puriss. p.a.

Synonym(s):

EDTA tripotassium salt, Edathamil, Tripotassium ethylenediaminetetraacetate dihydrate

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About This Item

Linear Formula:
(KOOCCH2)2NCH2CH2N(CH2COOK)CH2COOH · 2H2O
CAS Number:
Molecular Weight:
442.54
NACRES:
NA.21
PubChem Substance ID:
UNSPSC Code:
12352100
MDL number:
Beilstein/REAXYS Number:
6762497
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Product Name

Ethylenediaminetetraacetic acid tripotassium salt dihydrate, puriss. p.a., ≥99.0% (KT)

grade

puriss. p.a.

Quality Level

assay

≥99.0% (KT)

form

solid

mp

182 °C (dec.) (lit.)

anion traces

chloride (Cl-): ≤50 mg/kg, sulfate (SO42-): ≤500 mg/kg

cation traces

Ca: ≤20 mg/kg, Co: ≤5 mg/kg, Cr: ≤5 mg/kg, Cu: ≤5 mg/kg, Fe: ≤5 mg/kg, Mg: ≤5 mg/kg, Mn: ≤5 mg/kg, Na: ≤3000 mg/kg, Ni: ≤5 mg/kg, Pb: ≤5 mg/kg, Zn: ≤5 mg/kg

functional group

amine, carboxylic acid

SMILES string

[K+].[K+].[K+].[H]O[H].[H]O[H].OC(=O)CN(CCN(CC([O-])=O)CC([O-])=O)CC([O-])=O

InChI

1S/C10H16N2O8.3K.2H2O/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*1H2/q;3*+1;;/p-3

InChI key

MAPFUJCWRWFQIY-UHFFFAOYSA-K

Application

Used to eliminate inhibition of enzyme catalyzed reactions due to traces of heavy metals


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pictograms

Health hazardExclamation mark

signalword

Warning

hcodes

Hazard Classifications

Acute Tox. 4 Inhalation - STOT RE 2 Inhalation

target_organs

Respiratory Tract

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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Global Trade Item Number

SKUGTIN
70072-250G04061833551127