Uranin, rein
Lieferant: Thermo Scientific
Synonyme:
Fluorescein Natriumsalz
, Resorcinphthalein Dinatriumsalz
, 3′,6′-Dihydroxyspiro[2-benzofuran-3,9′-xanthen]-1-on Dinatriumsalz
, 2-(6-Hydroxy-3-oxo-(3H)-xanthen-9-yl)benzoesäure Dinatriumsalz
, 6-Hydroxy-9-(2-carboxyphenyl)-(3H)-3-xanthenon Dinatriumsalz
, Dinatrium-2-(3-oxo-6-oxidoxanthen-9-yl)benzoat
, Fluorescein-Natrium
, Fluoreszein Dinatriumsalz
, 9-(2-Carboxyphenyl)-6-hydroxy-(3H)-3-xanthenon Dinatriumsalz
, Fluorescein Dinatriumsalz
, 6-Hydroxy-9-(2-carboxyphenyl)- (3H)-xanthen-3-on Dinatriumsalz
, 6-Hydroxy-9-(2-carboxyphenyl)-(3H)-xanthen-3-on Dinatriumsalz
, 2-(6-Hydroxy-3-oxo-(3H)-xanthen-9-yl)-benzoesäure Dinatriumsalz
Formel:
C₂₀H₁₀Na₂O₅ Molecular Weight: 376,28 g/mol Schmelzpunkt: 320 °C Lagertemperatur: Raumtemperatur |
MDL:
MFCD00167039 CAS-Nummer: 518-47-8 EINECS: 208-253-0 Merck Index: 13,04185 |
Spezifikation Testergebnisse
Appearance | Orange-red to green-brown to dark brown Powder |
Infrared spectrum | Conforms |
Loss on drying | ≤10 % (105°C) |
UV Lambda max | 488 to 491 nm (in buffer pH 8) |
Absorption Ratio P-15/P+15 | 1.2 to 1.7 |
Specific absorbance A (1%/1cm) | ≥1700 (at lambda max.) |
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