2,5-dihydroxybenzenesulphonic acid

Originator

Dicynone,Delalande,France,1965

The Uses of 2,5-dihydroxybenzenesulphonic acid

Isopropyl Quinonesulfonate is a derivative of Sodium quinonesulfonate(51579-78-3), and an impurity of Calcium Dobesilate (C145100).

Definition

ChEBI: A dihydroxybenzenesulfonic acid that is hydroquinone in which one of the phenyl hydrogens is substituted by a sulfonic acid group.

Manufacturing Process

163 grams of pure diethylamine bisulfite are added to an ethyl alcohol solution of 108 grams of 1,4-benzoquinone at a temperature not above 5°C and under continuous stirring. After reaction, the alcohol is removed by distilling under vacuum. The product is recrystallized from ethyl alcohol at 80°C. Yield: 198 grams of diethylammonium cyclohexadienol 4-one-1- sulfonate-4. MP 125°C.

Therapeutic Function

Hemostatic