Potassium 2,5-dihydroxybenzenesulfonate CAS 21799-87-1

Potassium 2,5-dihydroxybenzenesulfonate

Name	Potassium 2,5-dihydroxybenzenesulfonate
Synonyms	Hydroquinone sulfonic acid potassium salt; 2,5-Dihydroxybenzenesulfonic acid potassium salt
Molecular Structure
Molecular Formula	C6H5KO5S
Molecular Weight	228.26
CAS Registry Number	21799-87-1
EC Number	244-584-7

Uses:

1. Pharmaceutical industry

As a key intermediate, it is used to synthesize active pharmaceutical ingredients containing sulfonated aromatic structures.

2. Dye industry

Used for manufacturing special dyes to enhance their solubility and stability in aqueous systems.

3. Fine chemical industry

Relying on hydroxyl and sulfonic acid functional groups, it is widely used in various organic synthesis reactions.