3',3'',5',5''-Tetraiodophenolphthalein, Sodium Salt
[CAS# 632-73-5]

Identification

• Name: 3',3'',5',5''-Tetraiodophenolphthalein, Sodium Salt
• Synonyms: Disodium 2-[(3,5-Diiodo-4-Oxido-Phenyl)-(3,5-Diiodo-4-Oxo-1-Cyclohexa-2,5-Dienylidene)Methyl]Benzoate; Disodium 2-[(3,5-Diiodo-4-Keto-1-Cyclohexa-2,5-Dienylidene)-(3,5-Diiodo-4-Oxido-Phenyl)Methyl]Benzoate; Antinosin
• Molecular Formula: C₂₀H₈I₄Na₂O₄
• Molecular Weight: 865.88
• CAS Registry Number: 632-73-5
• SMILES: C1=CC=CC(=C1C(=C2C=C(C(=O)C(=C2)I)I)C3=CC(=C(C(=C3)I)[O-])I)C(=O)[O-].[Na+].[Na+]
• InChI: 1S/C20H10I4O4.2Na/c21-13-5-9(6-14(22)18(13)25)17(10-7-15(23)19(26)16(24)8-10)11-3-1-2-4-12(11)20(27)28;;/h1-8,25H,(H,27,28);;/q;2*+1/p-2
• InChIKey: CWHBCTLVWOCMPQ-UHFFFAOYSA-L

Properties

• Boiling point: 658.1°C at 760 mmHg (Cal.)
• Flash point: 351.8°C (Cal.)