Fluorescein, rein

Lieferant: Thermo Scientific
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Synonyms: 2-(6-Hydroxy-3-oxo-(3H)-xanthen-9-yl)benzoesäureResorcinphthalein2-(6-Hydroxy-3-oxo-(3H)-xanthen-9-yl)-benzoesäure9-(2-Carboxyphenyl)-6-hydroxy-(3H)-3-xanthenonFluoreszein6-Hydroxy-9-(2-carboxyphenyl)-(3H)-xanthen-3-on3′,6′-Dihydroxyspiro[2-benzofuran-3,9′-xanthen]-1-on6-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
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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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