46970

Fluorescein sodium salt

p.a.

• 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
• EC Number: 208-253-0
• UNSPSC Code: 12171501
• NACRES: NA.32
• PubChem Substance ID: 329757279
• MDL number: MFCD00167039
• Beilstein/REAXYS Number: 3833041
• Colour Index Number: 45350

Properties

• grade: p.a.
• Quality Segment: 100
• 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.[1]

Xanthene fluorophores, like Fluorescein Sodium Salt (FSS), are versatile compounds used across diverse fields of chemistry and life sciences.[2]

Safety Information

• 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)