Carbonic anhydride may refer to:
- Carbon dioxide, the acidic oxide of carbonic acid
- Dicarbonic acid, the monoanhydride of carbonic acid using two molecules
- 1,3-Dioxetanedione, the dianhydride of carbonic acid using two molecules
- 1,3,5-Trioxanetrione, the dianhydride of carbonic acid using three molecules
This page was last edited on 28 August 2023, at 14:50