Acetic Acid is used mainly as a solvent

Acetic acid is used for treatments such as iontophoresis, bladder and wound irrigations, treatment of ear canal/outer ear infections, and during colposcopy to identify cervical dysplasia.

Acetic Acid mains use is to be a monomer of Vinyl acetate which can be polymerised to polyvinyl acetate or other polymers, which are components in paints and adhesives