Potassium 2,5-dihydroxybenzenesulfonate

2,5-二羟基苯磺酸钾

Also known as: Hydroquinone sulfonic acid potassium salt, 2,5-Dihydroxybenzenesulfonic acid potassium salt, Potassium hydroquinonesulfonate, Potassium dobesilate, Hydroquinonesulfonic acid potassium salt, potassium 2,5-dihydroxybenzenesulfonate

Potassium 2,5-dihydroxybenzenesulfonate (CAS 21799-87-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H5KO5S and a molecular weight of 228.264 g/mol. It is also known as Hydroquinone sulfonic acid potassium salt, 2,5-Dihydroxybenzenesulfonic acid potassium salt and Potassium hydroquinonesulfonate. Key property: a melting point of 251 °C (dec.)(lit.). GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

21799-87-1

Jingsj CID

J-6133-3

Molecular Formula

C₆H₅KO₅S

Chinese Name

2,5-二羟基苯磺酸钾

Molecular Weight

228.264 g/mol

Category

Organic Acids

Last updated

8/21/2026