5,5'-Dithiobis(2-nitrobenzoesäure) (Ellman's Reagenz, DTNB) 99%
Lieferant: Thermo Scientific
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Achtung
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Synonyme:
Bis(4-nitrophenyl)disulfid-3,3'-dicarbonsäure, DTNB, 2,2'-Dinitro-5,5'-dithiodibenzoesäure, Ellman's Reagenz, 3,3'-Dithiobis(6-nitrobenzoesäure)
117540050
117540010
117540250
ACRO117540050EA
72.6
EUR
ACRO117540050
ACRO117540010
ACRO117540250
5,5'-Dithiobis(2-nitrobenzoesäure) (Ellman's Reagenz, DTNB) 99%
5,5'-Dithiobis(2-nitrobenzoesäure) (Ellman's Reagenz, DTNB)
Formel:
C₁₄H₈N₂O₈S₂ Molecular Weight: 396,36 g/mol Schmelzpunkt: 240…245 °C (Zersetzung) Lagertemperatur: Kühlschrank |
MDL:
MFCD00007140 CAS-Nummer: 69-78-3 EINECS: 200-714-4 |
Spezifikation Testergebnisse
Appearance | Off-white to yellow Crystalline powder |
Infrared spectrum | Conforms |
Melting point | 240 to 245 °C |
Loss on drying | ≤0.5 % |
Titration with NaOH | ≥98.5 % |
Sulfate (SO4) | ≤0.005 % |
Ammonium (NH4) | ≤0.003 % |
Barium (Ba) | ≤0.005 % |
Calcium (Ca) | ≤0.01 % |
Iron (Fe) | ≤5 ppm |
Manganese (Mn) | ≤5 ppm |
Potassium (K) | ≤0.005 % |
Sodium (Na) | ≤0.005 % |
Strontium (Sr) | ≤0.005 % |
Heavy metals (ICP-OES) | ≤5 ppm |
Insoluble matter | ≤0.005 % |
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