Phenolphthalein Disulfate Potassium Salt
[CAS# 52322-16-4]

Identification

• Name: Phenolphthalein Disulfate Potassium Salt
• Synonyms: Dipotassium [4-[3-Oxo-1-(4-Sulfonatooxyphenyl)Isobenzofuran-1-Yl]Phenyl] Sulfate; Dipotassium [4-[3-Oxo-1-(4-Sulfonatooxyphenyl)-1-Isobenzofuranyl]Phenyl] Sulfate; Dipotassium [4-[3-Keto-1-(4-Sulfatophenyl)Isobenzofuran-1-Yl]Phenyl] Sulfate
• Molecular Formula: C₂₀H₁₂K₂O₁₀S₂
• Molecular Weight: 554.62
• CAS Registry Number: 52322-16-4
• EINECS: 257-849-7
• SMILES: C2=C1C(OC(=O)C1=CC=C2)(C3=CC=C(O[S]([O-])(=O)=O)C=C3)C4=CC=C(O[S]([O-])(=O)=O)C=C4.[K+].[K+]
• InChI: 1S/C20H14O10S2.2K/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,(H,22,23,24)(H,25,26,27);;/q;2*+1/p-2
• InChIKey: WJZHEUVHGMOFRC-UHFFFAOYSA-L