46970

Fluorescein sodium salt

p.a., for source staining

• Synonym(s): Acid Yellow 73, D&C;Yellow No. 8, NaFl, NaFluo, Sodium fluorescein, Uranine
• Empirical Formula (Hill Notation): C₂₀H₁₀Na₂O₅
• CAS Number: 518-47-8
• Molecular Weight: 376.27
• Colour Index Number: 45350
• Beilstein: 3833041
• EC Number: 208-253-0
• MDL number: MFCD00167039
• UNSPSC Code: 12171501
• PubChem Substance ID: 329757279
• NACRES: NA.32

Properties

• grade: for source staining; p.a.
• form: powder
• fluorescence: λ_ex 460 nm; λ_em 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

Description

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.

Safety Information

• 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