1.08445
Ethylenedinitrilotetraacetic acid tripotassium salt dihydrate
suitable for titration
Synonym(s):
Ethylenedinitrilotetraacetic acid tripotassium salt dihydrate
About This Item
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Product Name
Ethylenedinitrilotetraacetic acid tripotassium salt dihydrate, Ethylenedinitrilotetraacetic acid tripotassium salt dihydrate. CAS 65501-24-8, pH 8 - 9 (50 g/l, H2O, 20 °C).
SMILES string
[K+].[K+].[K+].[N+H](CCN(CC(=O)[O-])CC(=O)[O-])(CC(=O)[O-])CC(=O)[O-].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
form
solid
reaction suitability
reaction type: Complexometric reactions
technique(s)
titration: suitable
pH
8-9 (20 °C, 50 g/L in H2O)
mp
180-185 °C
storage temp.
no temp limit
Quality Level
Related Categories
1 of 4
This Item | 1.04819 | 03664 | 03660 |
|---|---|---|---|
| reaction suitability reaction type: Complexometric reactions | reaction suitability reaction type: Complexometric reactions | reaction suitability - | reaction suitability - |
| technique(s) titration: suitable | technique(s) titration: suitable | technique(s) - | technique(s) - |
| form solid | form solid | form powder or crystals | form - |
| pH 8-9 (20 °C, 50 g/L in H2O) | pH 4-5 (20 °C, 50 g/L in H2O) | pH 7.0-9.0 (25 °C, 0.1 M in H2O) | pH 4-5 (25 °C, 50 mg/mL in H2O) |
| mp 180-185 °C | mp 272 °C | mp 182 °C (dec.) (lit.) | mp 255-280 °C (dec.) (lit.) |
| storage temp. no temp limit | storage temp. 15-25°C | storage temp. - | storage temp. - |
Analysis Note
Identity (IR-spectrum): passes test
Identity (Potassium): passes test
pH (50 g/l; water): 7.0 - 9.0
Chloride (Cl): ≤ 0.01 %
Heavy metals (as Pb): ≤ 0.002 %
Fe (Iron): ≤ 0.001 %
Water (according to Karl Fischer): 7 - 9 %
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
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