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46970

Sigma-Aldrich

Fluorescein sodium salt

p.a., for source staining

Sinónimos:

Acid Yellow 73, D&C;Yellow No. 8, NaFl, NaFluo, Sodium fluorescein, Uranine

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About This Item

Fórmula empírica (notación de Hill):
C20H10Na2O5
Número de CAS:
518-47-8
Peso molecular:
376.27
Colour Index Number:
45350
Beilstein/REAXYS Number:
3833041
EC Number:
208-253-0
MDL number:
MFCD00167039
UNSPSC Code:
12171501
PubChem Substance ID:
329757279
NACRES:
NA.32

grade

for source staining
p.a.

Quality Level

100

form

powder

fluorescence

λex 460 nm; λem 515 nm(lit.)

SMILES string

[Na+].[Na+].[O-]c1ccc2c(Oc3cc([O-])ccc3C24OC(=O)c5ccccc45)c1

InChI

1S/C20H12O5.2Na/c21-11-5-7-15-17(9-11)24-18-10-12(22)6-8-16(18)20(15)14-4-2-1-3-13(14)19(23)25-20;;/h1-10,21-22H;;/q;2*+1/p-2

InChI key

RGPLGPBQJOQFJS-UHFFFAOYSA-L

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General description

Fluorescein Sodium Salt (FSS) is a xanthene dye having a polycrystalline structure with a monoclinic system. Fluorescein is a synthetic organic compound available as a dark orange/red powder soluble in water and alcohol.

Application

Fluorescein Sodium Salt (FSS) is used to conduct in-vivo skin studies.

Xanthene fluorophores, like Fluorescein Sodium Salt (FSS), are versatile compounds used across diverse fields of chemistry and life sciences.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 1

flash_point_f

423.7 °F - Pensky-Martens closed cup

flash_point_c

217.6 °C - Pensky-Martens closed cup

ppe

Eyeshields, Gloves, type N95 (US)

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Joshua L Turnbull et al.
Journal of the American Chemical Society, 143(16), 6194-6201 (2021-04-03)
Xanthene fluorophores, like fluorescein, have been versatile molecules across diverse fields of chemistry and life sciences. Despite the ubiquity of 3-carboxy and 3-sulfonofluorescein for the last 150 years, to date, no reports of 3-phosphonofluorescein exist. Here, we report the synthesis
Jacob Beal et al.
Communications biology, 3(1), 512-512 (2020-09-19)
Optical density (OD) is widely used to estimate the density of cells in liquid culture, but cannot be compared between instruments without a standardized calibration protocol and is challenging to relate to actual cell count. We address this with an
Wee Yang Ng et al.
Biomicrofluidics, 3(2), 22405-22405 (2009-08-21)
This paper investigates the phenomenon of Faradaic charging in ac electrokinetics. Faradaic reactions were suggested as a key effect responsible for the reversal of pumping direction in ac micropumps. However, this hypothesis has yet to be proven convincingly and directly.
Tomoaki Murakami et al.
Ophthalmology, 120(12), 2596-2603 (2013-08-21)
To study the association between the fluorescence levels on fluorescein angiography images and the characteristics on spectral-domain optical coherence tomography (SD OCT) images in diabetic macular edema (DME). Retrospective, observational, cross-sectional study. One hundred sixty-seven consecutive eyes of 116 patients
Christopher Price et al.
Journal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research, 26(2), 277-285 (2010-08-18)
Since proposed by Piekarski and Munro in 1977, load-induced fluid flow through the bone lacunar-canalicular system (LCS) has been accepted as critical for bone metabolism, mechanotransduction, and adaptation. However, direct unequivocal observation and quantification of load-induced fluid and solute convection
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