Tetrasodium (3-Oxo-1,3-Dihydro-2-Benzofuran-1,1-Diyl)Di-4,1-Phenylene Bis(Phosphate)
[CAS# 123334-09-8]

Identification

• Name: Tetrasodium (3-Oxo-1,3-Dihydro-2-Benzofuran-1,1-Diyl)Di-4,1-Phenylene Bis(Phosphate)
• Synonyms: Phenolphthalein Diphosphate Tetrasodium Salt [Substrate for Phosphatase Test]; Phenolphthalein Diphosphate Tetrasodium Salt Hydrate [Substrate for Phosphatase Test]
• Molecular Formula: C₂₀H₁₂Na₄O₁₀P₂
• Molecular Weight: 566.21
• CAS Registry Number: 123334-09-8
• SMILES: [Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)Oc1ccc(cc1)C3(OC(=O)c2ccccc23)c4ccc(OP([O-])([O-])=O)cc4
• InChI: 1S/C20H16O10P2.4Na/c21-19-17-3-1-2-4-18(17)20(28-19,13-5-9-15(10-6-13)29-31(22,23)24)14-7-11-16(12-8-14)30-32(25,26)27;;;;/h1-12H,(H2,22,23,24)(H2,25,26,27);;;;/q;4*+1/p-4
• InChIKey: HTMKLCRJVFFVDW-UHFFFAOYSA-J

Properties

• Boiling point: 762.1°C at 760 mmHg (Cal.)
• Flash point: 414.7°C (Cal.)
• Refractive index: (Cal.)