Fluorescein, rein
Lieferant: Thermo Scientific
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Achtung
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Synonyms:
2-(6-Hydroxy-3-oxo-(3H)-xanthen-9-yl)benzoesäure
, Resorcinphthalein
, 2-(6-Hydroxy-3-oxo-(3H)-xanthen-9-yl)-benzoesäure
, 9-(2-Carboxyphenyl)-6-hydroxy-(3H)-3-xanthenon
, Fluoreszein
, 6-Hydroxy-9-(2-carboxyphenyl)-(3H)-xanthen-3-on
, 3′,6′-Dihydroxyspiro[2-benzofuran-3,9′-xanthen]-1-on
, 6-Hydroxy-9-(2-carboxyphenyl)-(3H)-3-xanthenon
ACRO119240250EA
27
CHF
ACRO119240250
ACRO119241000
ACRO119240025
ACRO119245000
Fluorescein, rein
Fluorescein
Formel:
C₂₀H₁₂O₅ MW: 332,31 g/mol Melting Pt: 314…316 °C Lager Temperatur: Raumtemperatur |
MDL Number:
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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