1.04819
Ethylenedinitrilotetraacetic acid dipotassium salt dihydrate
for analysis
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Quality Level
form
solid
potency
>2000 mg/kg LD50, oral (Rat)
reaction suitability
reaction type: Complexometric reactions
technique(s)
titration: suitable
pH
4-5 (20 °C, 50 g/L in H2O)
mp
272 °C
bulk density
310 kg/m3
storage temp.
15-25°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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This Item | 03659 | ED2P | 1.08445 |
|---|---|---|---|
| form solid | form powder | form powder | form solid |
| technique(s) titration: suitable | technique(s) - | technique(s) - | technique(s) titration: suitable |
| pH 4-5 (20 °C, 50 g/L in H2O) | pH 4.0-5.0 (25 °C, 0.1 M 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 255-280 °C (dec.) (lit.) | mp 255-280 °C (dec.) (lit.) | mp 180-185 °C |
| storage temp. 15-25°C | storage temp. - | storage temp. room temp | storage temp. no temp limit |
| Quality Level 100 | Quality Level 100 | Quality Level 200 | Quality Level 100 |
Analysis Note
Identity (IR): conforms
Identity (Potassium): conforms
Appearance of solution (50 g/l; water): Clear and colourless
pH (50 g/l; water): 4.0 - 5.0
In water insoluble matter: ≤ 0.003 %
Chloride (Cl): ≤ 0.004 %
Sulfate (SO₄): ≤ 0.01 %
Cyanide (CN): ≤ 0.001 %
Heavy metals (as Pb): ≤ 0.0005 %
Cu (Copper): ≤ 0.0001 %
Fe (Iron): ≤ 0.001 %
Nitrilotriacetic acid: ≤ 0.05 %
Loss on drying (150 °C; 6 h): 8.5 - 9.5 %
Legal Information
Signal Word
Warning
Hazard Statements
Precautionary Statements
Hazard Classifications
Acute Tox. 4 Inhalation
Storage Class Code
13 - Non Combustible Solids
WGK
WGK 2
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