| Clue | Source | Date |
|---|---|---|
| Chemical compound used in its gaseous state as a pesticide or disinfectant (8) | ||
| What's used to clear the air — faint gum (anag) | The Guardian Quick | 19 Jan 2022 |
| Livid at dropping new air freshener? | The Telegraph Toughie | 20 Mar 2015 |
| Gaseous pesticide |