Fluorescein, rein
Lieferant: Thermo Scientific
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Achtung
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Synonyme:
6-Hydroxy-9-(2-carboxyphenyl)-(3H)-3-xanthenon, Resorcinphthalein, 2-(6-Hydroxy-3-oxo-(3H)-xanthen-9-yl)benzoesäure, 9-(2-Carboxyphenyl)-6-hydroxy-(3H)-3-xanthenon, 3′,6′-Dihydroxyspiro[2-benzofuran-3,9′-xanthen]-1-on, 6-Hydroxy-9-(2-carboxyphenyl)-(3H)-xanthen-3-on, 2-(6-Hydroxy-3-oxo-(3H)-xanthen-9-yl)-benzoesäure, Fluoreszein
119241000
119245000
119240025
119240250
ACRO119241000EA
58.2
EUR
ACRO119241000
ACRO119245000
ACRO119240025
ACRO119240250
Fluorescein, rein
Fluorescein
Formel:
C₂₀H₁₂O₅ Molecular Weight: 332,31 g/mol Schmelzpunkt: 314…316 °C Lagertemperatur: Raumtemperatur |
MDL:
MFCD00005050 CAS-Nummer: 2321-07-5 EINECS: 219-031-8 Merck Index: 13,04185 |
Spezifikation Testergebnisse
Appearance | Red-brown to rust brown to brown Powder |
Infrared spectrum | Conforms |
Loss on drying | ≤3 % |
Sulfated ash | ≤0.5 % |
Specific absorbance A (1%/1cm) | ≥1800 (490 +/- 5 nm , 0.5% aq. soln. of Na2CO3) |
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