Uranine K
[CAS# 6417-85-2]

Identification

• Name: Uranine K
• Synonyms: Dipotassium 3-Oxospiro[Isobenzofuran-1,9'-Xanthene]-3',6'-Diolate; Dipotassium 3-Ketospiro[Isobenzofuran-1,9'-Xanthene]-3',6'-Diolate; Dipotassium 2-(6-Oxido-3-Oxoxanthen-9-Yl)Benzoate
• Molecular Formula: C₂₀H₁₀K₂O₅
• Molecular Weight: 408.49
• CAS Registry Number: 6417-85-2
• EINECS: 229-143-9
• SMILES: C4=C3C1(OC(=O)C2=C1C=CC=C2)C5=C(OC3=CC(=C4)[O-])C=C([O-])C=C5.[K+].[K+]
• InChI: 1S/C20H12O5.2K/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
• InChIKey: DZSPMLRDMGJVAT-UHFFFAOYSA-L

Properties

• Boiling point: 620.8°C at 760 mmHg (Cal.)
• Flash point: 232.6°C (Cal.)