Name: sulfogaiacol;4 - hydroxy - 3 - potassium methoxybenzenesulphonate - potassium 3 - hydroxy - 4 - methoxybenzenesulphonate; CAS no. : 1321-14-8 EINECS no. : 215-215-5 Molecular formula: C7H7KO5S. Molecular weight: 242.2908. Purpose: irritant and expectorant to treat chronic bronchitis and bronchiectasis. Packing: 25KG carton. Content: 99%Pet Bottle Flakes