Fluorescin
[CAS 518-44-5]

Identification

• Name: Fluorescin
• Synonyms: Fds; Chebi:42492; 2-(3,6-Dihydroxyxanthen-9-Yl)Benzoic Acid
• Molecular Formula: C₂₀H₁₄O₅
• Molecular Weight: 334.33
• CAS Registry Number: 518-44-5
• EINECS: 208-252-5
• SMILES: C3=C2C(C1=C(C=C(O)C=C1)OC2=CC(=C3)O)C4=CC=CC=C4C(O)=O
• InChI: 1S/C20H14O5/c21-11-5-7-15-17(9-11)25-18-10-12(22)6-8-16(18)19(15)13-3-1-2-4-14(13)20(23)24/h1-10,19,21-22H,(H,23,24)
• InChIKey: MURGITYSBWUQTI-UHFFFAOYSA-N

Properties

• Density: 1.4±0.1g/cm³ (Cal.)
• Boiling point: 549.8±50.0°C at 760 mmHg (Cal.)
• Flash point: 201.9±23.6°C (Cal.)