Phenolphthalein disulfate tripotassium salt trihydrate

酚酞二硫酸三钾三水合物

Also known as: Phenolphthalein disulfate potassium salt hydrate, Phenolphthalein disulfate tripotassium salt, Tripotassium 2-(hydroxy{bis[4-(sulfonatooxy)phenyl]}methyl)benzoate, 2-[Hydroxybis[4-(sulfooxy)phenyl]methyl]benzoic acid tripotassium salt, Benzoic acid, 2-[hydroxybis[4-(sulfooxy)phenyl]methyl]-, potassium salt (1:3)

Phenolphthalein disulfate tripotassium salt trihydrate (CAS 62625-16-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C20H13K3O11S2 and a molecular weight of 610.735 g/mol. It is also known as Phenolphthalein disulfate potassium salt hydrate, Phenolphthalein disulfate tripotassium salt and Tripotassium 2-(hydroxy{bis[4-(sulfonatooxy)phenyl]}methyl)benzoate. Key property: a melting point of 230 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

62625-16-5

Jingsj CID

J-902077-5

Molecular Formula

C₂₀H₁₃K₃O₁₁S₂

Chinese Name

酚酞二硫酸三钾三水合物

Molecular Weight

610.735 g/mol

Category

Organic Acids

Last updated

8/21/2026