EDTA Dinatriumsalz Dihydrat 99,0-101,0% (durch titrimetrische Analyse) für die HPLC, 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
79884-50GEA
61.2
EUR
79884-50G
79884-10G
EDTA Dinatriumsalz Dihydrat 99,0-101,0% (durch titrimetrische Analyse) für die HPLC, Supelco®
EDTA Dinatriumsalz Dihydrat
Chelator of divalent cations. Inhibits enzymes, such as metalloproteases, that require divalent cations for activity.
Formel:
C₁₀H₁₄N₂Na₂O₈·2H₂O Molecular Weight: 372,24 g/mol Schmelzpunkt: 248 °C (Zers., Lit.) |
MDL:
MFCD00150037 CAS-Nummer: 6381-92-6 EINECS: 205-358-3 |
Spezifikation Testergebnisse
Appearance (Color) | Colorless or White |
Appearance (Form) | Powder or crystals |
Titration (Kt) ZnSO4 0.1M | 99.0 - 101.0 % |
Suitability Test (HPLC) | Corresponds to Standard |
Metal Trace Analysis (ICP) | Corresponds to Requirements |
Aluminium (ICP) | ≤ 5.0 mg/kg |
Barium (ICP) | ≤ 5.0 mg/kg |
Bismuth (ICP) | ≤ 5.0 mg/kg |
Calcium (ICP) | ≤ 10 mg/kg |
Cadmium (ICP) | ≤ 5.0 mg/kg |
Cobalt (ICP) | ≤ 5.0 mg/kg |
Chromium (ICP) | ≤ 5.0 mg/kg |
Copper (ICP) | ≤ 5.0 mg/kg |
Iron (ICP) | ≤ 5.0 mg/kg |
Potassium (ICP) | ≤ 50 mg/kg |
Lithium (ICP) | ≤ 5.0 mg/kg |
Magnesium (ICP) | ≤ 5.0 mg/kg |
Manganese (ICP) | ≤ 5.0 mg/kg |
Molybdenum (ICP) | ≤ 5.0 mg/kg |
Nickel (ICP) | ≤ 5.0 mg/kg |
Lead (ICP) | ≤ 5.0 mg/kg |
Strontium (ICP) | ≤ 5.0 mg/kg |
Zinc (ICP) | ≤ 5.0 mg/kg |
Total Sulfur As SO4 (ICP) | ≤ 50 mg/kg |
Chloride (Cl) | ≤ 50 mg/kg |
Solubility (Method) | 1.117 g in 30 ml H2O=0.1M |
Appearance (Solution) | Clear Colorless |
Residue (Filter Test) | No Residue |
UV - Abs. At 260 nm | ≤ 0.145 |
UV - Abs. At 280 nm | ≤ 0.025 |
Recommended Retest Period | 54 Months |
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