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8.19040

Sigma-Aldrich

Ethylenediaminetetraacetic acid dipotassium salt dihydrate

for synthesis

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Synonym(s):
Ethylenediaminetetraacetic acid dipotassium salt dihydrate, Ethylenedinitrilotetraacetic acid dipotassium salt, Titriplex® Potassium salt
Empirical Formula (Hill Notation):
C10H14K2N2O8 · 2H2O
CAS Number:
Molecular Weight:
404.45
EC Index Number:
217-895-0

Quality Level

form

solid

potency

>2000 mg/kg LD50, oral (Rat)

pH

4-5 (20 °C, 50 g/L in H2O)

mp

272 °C

bulk density

310 kg/m3

storage temp.

2-30°C

InChI

1S/C10H16N2O8.2K.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;2*+1;;/p-2

InChI key

JFROQFOCFOKDKU-UHFFFAOYSA-L

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1 of 4

This Item
1.04819ED2P1.08445
potency

>2000 mg/kg LD50, oral (Rat)

potency

>2000 mg/kg LD50, oral (Rat)

potency

-

potency

-

pH

4-5 (20 °C, 50 g/L in H2O)

pH

4-5 (20 °C, 50 g/L in H2O)

pH

4.0-5.0 (25 °C, 40.4 g/L)

pH

8-9 (20 °C, 50 g/L in H2O)

mp

272 °C

mp

272 °C

mp

255-280 °C (dec.) (lit.)

mp

180-185 °C

bulk density

310 kg/m3

bulk density

310 kg/m3

bulk density

-

bulk density

-

storage temp.

2-30°C

storage temp.

15-25°C

storage temp.

room temp

storage temp.

no temp limit

Analysis Note

Assay (complexometric; calculated on dried substance): 99.0 - 101.5 %
Identity (IR): passes test

Legal Information

Titriplex is a registered trademark of Merck KGaA, Darmstadt, Germany

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Precautionary Statements

Hazard Classifications

Acute Tox. 4 Inhalation

Storage Class Code

11 - Combustible Solids

WGK

WGK 2


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