1.04819
乙二胺四乙酸二钾盐二水合物
suitable for titration
别名:
Ethylenedinitrilotetraacetic acid dipotassium salt dihydrate, Ethylenedinitrilotetraacetic acid dipotassium salt, Titriplex® Potassium salt
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关于此项目
经验公式（希尔记法）:
C10H14K2N2O8 · 2H2O
化学文摘社编号:
分子量:
404.45
MDL number:
UNSPSC Code:
12352107
EC Index Number:
217-895-0
NACRES:
NA.21
产品名称
乙二胺四乙酸二钾盐二水合物, for analysis
SMILES string
[K+].[K+].N(CCN(CC(=O)[O-])CC(=O)[O-])(CC(=O)[O-])CC(=O)[O-].O.O.[H+].[H+]
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
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
Quality Level
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Analysis Note
Assay (complexometric; calculated on dried substance): ≥ 99.0 %
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): ≤ 0.05 %
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 %
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): ≤ 0.05 %
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
Titriplex is a registered trademark of Merck KGaA, Darmstadt, Germany
signalword
Warning
hcodes
Hazard Classifications
Acute Tox. 4 Inhalation
存储类别
11 - Combustible Solids
wgk
WGK 2
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