EDTA Dinatriumsalz Dihydrat 99,0-101,0%, Supelco®
Lieferant: Merck
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Achtung
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Synonyme:
EDTA-Na2 Dihydrat
, Kestranal® 2S 2 H2O
, Ethylendinitrilotetratetraessigsäure Dinatriumsalz Dihydrat
, Titriplex III
, Ethylendiamintetraessigsäure Dinatriumsalz Dihydrat
, Ethylendiamin-N,N,N',N'-tetraessigsäure Dinatriumsalz Dihydrat
, Kestranal® 2S Dihydrat
, Edetinsäure Dinatriumsalz Dihydrat
, Dinatriumdihydrogenethylendiamintetraacetat Dihydrat
M-Clarity™ Qualitätsstufe = MQ100
Synonyms: Disodium dihydrogen ethylenediaminetetraacetate; Ethylenediaminetetraacetic acid disodium salt
Formel:
C₁₀H₁₄N₂Na₂O₈·2H₂O Molecular Weight: 372,24 g/mol Schmelzpunkt: 255 °C Lagertemperatur: Raumtemperatur |
MDL:
MFCD00150037 CAS-Nummer: 6381-92-6 EINECS: 205-358-3 Merck Index: 13,03543 |
Spezifikation Testergebnisse
Solubility | 100 g/l (20 °C) |
Melting Point | 110 °C Elimination of water of crystallisation |
Molar Mass | 372,24 g/mol |
Bulk Density | 700 kg/m3 |
pH | 4 - 5 (50 g/l, H2O, 20 °C) |
Assay | 99,0 - 101,0 % |
Identity (IR-spectrum, Sodium, Complexation) | Passes test |
In water insoluble matter | ≤ 0,003 % |
Chloride (Cl) | ≤ 0,004 % |
Sulphate (SO₄) | ≤ 0,01 % |
Cyanide (CN) | ≤ 0,001 % |
Heavy metals (as Pb) | ≤ 0,0005 % |
Nitrilotriacetic acid (HPLC) | ≤ 0,05 % |
Loss on drying (150 °C; 6 h) | 8,7 - 11,4 % |
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