Uranin (Konzentrat) zur Untersuchung von unterirdischen Gewässern (Uranine AP) (C.I. 45350)

Lieferant: Merck

Synonyme: 6-Hydroxy-9-(2-carboxyphenyl)-(3H)-xanthen-3-on Dinatriumsalz, 6-Hydroxy-9-(2-carboxyphenyl)- (3H)-xanthen-3-on Dinatriumsalz, Fluoreszein Dinatriumsalz, Fluorescein Natriumsalz, 2-(6-Hydroxy-3-oxo-(3H)-xanthen-9-yl)-benzoesäure Dinatriumsalz, Dinatrium-2-(3-oxo-6-oxidoxanthen-9-yl)benzoat, 6-Hydroxy-9-(2-carboxyphenyl)-(3H)-3-xanthenon Dinatriumsalz, Fluorescein-Natrium, Resorcinphthalein Dinatriumsalz, 2-(6-Hydroxy-3-oxo-(3H)-xanthen-9-yl)benzoesäure Dinatriumsalz, Fluorescein Dinatriumsalz, 3′,6′-Dihydroxyspiro[2-benzofuran-3,9′-xanthen]-1-on Dinatriumsalz, 9-(2-Carboxyphenyl)-6-hydroxy-(3H)-3-xanthenon Dinatriumsalz

M-Clarity™ Qualitätsstufe = MQ200

1.08462.0100 1.08462.1000
1.08462.0100EA 92 EUR
1.08462.0100 1.08462.1000
Uranin (Konzentrat) zur Untersuchung von unterirdischen Gewässern (Uranine AP) (C.I. 45350)
Uranin
Formel: C₂₀H₁₀Na₂O₅
Molecular Weight: 376,28 g/mol
Schmelzpunkt: > 300 °C
Dichte: 1,601 g/cm³ (20 °C)
Lagertemperatur: Raumtemperatur
MDL: MFCD00167039
CAS-Nummer: 518-47-8
EINECS: 208-253-0
Merck Index: 13,04185
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Spezifikation Testergebnisse

Identity (UV/VIS-Spectrum) passes test
Appearance Reddish-brown powder, eventually with granular and bright parts.
Absorption maximum λmax. (buffer pH 8.0) 489 - 491 nm
Spec. Absorptivity A 1%/1cm (λmax; 0.005 g/l; buffer pH 8.0; calc. on dried substance) ≥ 1800
Loss on drying (110 °C) ≤ 7 %

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