Cornstarch: Does it expire?
YES — Unopened: pantry 18–24 months • Opened: pantry 18 months
Related searches:
| Storage | Unopened | Opened |
|---|---|---|
| Pantry | 18–24 months | 18 months |
Sources & safety note
Sources: USDA FoodKeeper (CC0 open data). Freezer safety note: commercially frozen foods are safe indefinitely at 0°F (-18°C); posted times reflect best quality.
New to this? See our storage & safety guide for quick best practices.