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Fluorescein dvojsodná sůl, pure

Dodavatel: Thermo Scientific

Synonyms: 3',6'-Dihydroxy-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one, disodium salt, Acid Yellow 73, Yellow No. 8, Fluorescein sodium salt, 2-(6-hydroxy-3-oxo-(3H)-xanthen-9-yl)benzoic acid disodium salt, Disodium 2-(3-oxo-6-oxidoxanthen-9-yl)benzoate

173241000 173245000 173240025
ACRO173241000EA 2060 CZK
ACRO173241000 ACRO173245000 ACRO173240025
Fluorescein dvojsodná sůl, pure
Fluorescein dvojsodná sůl
Vzorec: C₂₀H₁₀Na₂O₅
MW: 376,28 g/mol
Bod tání: 320 °C
Hustota: 1,601 g/cm³ (20 °C)
Storage Temperature: Ambient
MDL Number: MFCD00167039
CAS číslo: 518-47-8
EINECS: 208-253-0
Merck Index: 13,04185
https://digitalassets.avantorsciences.com/adaptivemedia/rendition?id=949f2473a2f0c6f8d00fd80ca2f80b730bc8076a&vid=fe174603ab8c1727364c1e09d665a1ad5a6d9106&prid=web&clid=SAPDAM

Objednat

Výsledky specifikačního testu

Appearance Orange-red to green-brown to dark brown Powder
Infrared spectrum Conforms
Loss on drying ≤10 % (105°C)
UV Lambda max 488 to 491 nm (in buffer pH 8)
Absorption Ratio P-15/P+15 1.2 to 1.7
Specific absorbance A (1%/1cm) ≥1700 (at lambda max.)

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