EDTA dinatriumsalt dihydrat 99.0-101.0% för HPLC, Supelco®
Leverantör: Merck
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Varning
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Synonyms:
Ethylenediaminetetraacetic acid, disodium salt, dihydrate, Ethylenediaminetetraacetic acid disodium salt dihydrate, Kestranal® 2S dihydrate, Disodium dihydrogen ethylenediaminetetraacetate dihydrate, Ethylenedinitrilotetra-acetic acid disodium salt dihydrate, Ethylenediaminetetraacetic acid disodium dihydrate, Titriplex III, Ethylenediaminetetra-acetic acid disodium salt dihydrate, Kestranal® 2S 2 H2O, Sequestrene Na₂, Edetate disodium dihydrate, Edetic acid disodium salt dihydrate
Chelator of divalent cations. Inhibits enzymes, such as metalloproteases, that require divalent cations for activity.
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Formel:
C₁₀H₁₄N₂Na₂O₈·2H₂O MW: 372,24 g/mol Smältpunkt: 248 °C (dec., lit.) |
MDL Number:
MFCD00150037 CAS nummer: 6381-92-6 EINECS: 205-358-3 |
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Specifikation testresultat
| 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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