MilliporeSigma
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46960

Sigma-Aldrich

Fluorescein sodium salt

BioReagent, suitable for fluorescence

Synonym(s):
Acid Yellow 73, NaFl, Sodium fluorescein, Yellow No. 8, D&C;Yellow No. 8, NaFluo, Uranine
Empirical Formula (Hill Notation):
C20H10Na2O5
CAS Number:
Molecular Weight:
376.27
Colour Index Number:
45350
Beilstein:
3833041
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.32

product line

BioReagent

Quality Level

form

powder

technique(s)

titration: suitable

fluorescence

λex 460 nm; λem 515 nm(lit.)
λex 490 nm; λem 514 nm in 0.1 M Tris pH 8.0

suitability

suitable for fluorescence

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 Code

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

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

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Certificate of Origin

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