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Catalog ID 6932 / 50 mg

Chromoionophore XI

AKA: Fluorescein octadecyl ester
Formula Weight CAS#
C38H48O5 584.78 138833-46-2
For 25+ Units, Contact us.

Lipophilic Fluorescent pH indicator, fluorescein octadecyl ester binds to membranes with the fluorophore at the aqueous interface and the alkyl tail protruding into the lipid interior. It is also used in an alcohol-selective electrode.

Product Size 50 mg
Form Red-Orange Solid
Absorption (estimated) Wavelength (λmax) 504 ± 3 nm (0.2M KOH/MeOH)
Fluorescence (estimated) Wavelength (λmax) 525 ± 4 nm (*0.2M KOH/MeOH)
Storage conditions Refrigerate: Store at 4-8°C (Ref) Protect from moisture (D) Protect from light (L)
MDL# MFCD00467709

* Fluorescein octadecyl ester
* Octadecyl 2-(6-hydroxy-3-oxo-3H-xanthen-9-yl)benzoate

Fluorescent Probes and Related Products:   Fluorescein, Naphthofluorescein and seminaphthofluorescein
Cellular Sensors, Ion and pH Indicators (Fluorescent/Non-Fluorescent):   Fluorescent pH Indicators

Safety Data Sheet
SDS-PDF
Certificates of Analysis
Lot 52060 02-Jul-2021

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