Sodium Hydroxide → HCID 13179811, compound

Participants

Reaction Steps

To an aqueous solution containing 129 g (0.974 mole) of sodium sulfite were added in small amounts and with stirring 115 g (0.487 mole) of 2,4-dimethoxy benzenesulfonyl chloride. During this operation, the pH was kept alkaline by the addition of caustic soda. After standing for 3 h, the reaction medium was filtered. The filtrate was acidified with 2N sulfuric acid until the precipitation of the sulfinic acid.

Provenance & Evidence