Chemistry Uses Of SO2 Uses Of SO2(g) It is used in the production of tetraoxosulphate (vi) acid. Liquid SO2 is used as a refrigerant. It is used in making germicide and fumigants. It is use as a bleaching agent. Was this helpful?👍 Yes👎 No ← Previous Tests For SO2 Next → Tetraoxosulphate (VI) Acid Leave a comment Cancel replyYou must be logged in to post a comment.