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Merck
CN

46970

Fluorescein sodium salt

p.a.

Synonym(s):

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

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About This Item

Empirical Formula (Hill Notation):
C20H10Na2O5
CAS Number:
Molecular Weight:
376.27
EC Number:
208-253-0
UNSPSC Code:
12171501
NACRES:
NA.32
PubChem Substance ID:
MDL number:
Beilstein/REAXYS Number:
3833041
Colour Index Number:
45350
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grade

p.a.

Quality Level

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

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.


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Storage Class

11 - Combustible Solids

wgk

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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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
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
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



Global Trade Item Number

SKUGTIN
46970-500G-F04061832359076
46970-100G-F04061832359069