7634. Potassium Guaiacolsulfonate

Nomenclature

CAS number: 1321-14-8
3-Hydroxy-4-methoxybenzenesulfonic acid monopotassium salt mixt with monopotassium 4-hydroxy-3-methoxybenzenesulfonate; sulfogaiacol; Thiocol (Roche); Orthocoll.
C7H7KO5S; mol wt 242.29.
C 34.70%, H 2.91%, K 16.14%, O 33.02%, S 13.23%.

Description and references

A mixture of the potassium salts of 4- and 5-guaiacolsulfonic acid.

Properties

White, odorless crystals or cryst powder; faint bitter taste. Gradually turns pink on exposure to air and light. Soluble in 7.5 parts water. Almost insol in alcohol. Insol in ether. The aq soln is neutral to litmus. Keep well closed and protected from light.

Therapeutic Category

Expectorant.

Keywords

Expectorant