Fluorescein sodium salt

• Catalog No.: 28803
• CAS Number: 518-47-8
• M. F.: C20H10Na2O5
• M. W.: 376.26994
• Purity: 98.5-100.5% (calc. on dry substance)

SYNONYMS

• Title: 荧光素 钠盐
• IUPAC name: disodium 3-oxo-3H-spiro[2-benzofuran-1,9'-xanthene]-3',6'-bis(olate)
• IUPAC Traditional name: disodium 3-oxospiro[2-benzofuran-1,9'-xanthene]-3',6'-bis(olate)
• Synonyms: NaFluo; 荧光素钠; Uranine; NaFl; Sodium fluorescein; Acid Yellow 73; 酸性黄 73

DATABASE IDS

• EC Number: 208-253-0
• Color Index Number: 45350
• MDL Number: MFCD00167039
• CAS Number: 518-47-8
• PubChem SID: 24857309
• Beilstein Number: 3833041

PROPERTIES

• Antion Traces: chloride (Cl-): ≤3500 mg/kg
• Antion Traces: sulfate (SO42-): ≤1.2%
• Empirical Formula (Hill Notation): C20H10Na2O5
• Grade: indicator
• Loss on Drying: ≤10% loss on drying, 105 °C
• Purity: 98.5-100.5% (calc. on dry substance)
• Purity: 98.5-100.5%
• Suitability: complies for TLC
• Fluorescence: λex 460 nm; λem 515 nm(lit.)
• Personal Protective Equipment: Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
• German water hazard class: 1

DETAILS

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