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Fluoresceina, puro

Fornitore: Thermo Scientific
Attenzione

Synonyms: 3',6'-Dihydroxy-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one, 2-(6-Hydroxy-3-oxo-(3H)-xanthen-9-yl)benzoic acid

119241000 119245000 119240025 119240250
ACRO119241000EA 57.1 EUR
ACRO119241000 ACRO119245000 ACRO119240025 ACRO119240250
Fluoresceina, puro
Fluoresceina
Formula: C₂₀H₁₂O₅
Peso molecolare: 332,31 g/mol
Punto di fusione: 314…316 °C
Temperatura di stoccaggio: Ambiente
MDL Number: MFCD00005050
CAS Number: 2321-07-5
EINECS: 219-031-8
Merck Index: 13,04185
https://digitalassets.avantorsciences.com/adaptivemedia/rendition?id=97b9d8d37f0106f4c8ef2d7759759d21bd43cc03&vid=ea15403d0d87742ab36b797965416e48615f5c15&prid=web&clid=SAPDAM https://digitalassets.avantorsciences.com/adaptivemedia/rendition?id=7b0e97bec9c9f44dd58e1cd0ca79d7e94c3ba82d&vid=99c7a879410fccd4dd9ea4e0af25e198d3b15f24&prid=web&clid=SAPDAM

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Risultati del test di specificazione

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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