Condiments, Sauces & Canned Goods
How long does bottled vinaigrette last once opened?
An opened bottle of vinaigrette holds 4 weeks in the fridge, and an unopened one sits out its 6 months in the pantry without complaint.
How long does it keep?
| Pantry, from purchase | 6 months |
|---|---|
| Fridge, opened | 4 weeks |
Can it sit out?
Unopened, bottled vinaigrette is shelf-stable. Once opened, treat it as perishable — the FSIS 2-hour rule applies.
Perishable food left at room temperature for more than 2 hours should be thrown out — 1 hour if it’s 90°F or hotter (a picnic, a hot car, a summer kitchen).
How to tell if bottled vinaigrette has gone bad
- A paint-like or crayon smell from oxidized oil
- Sediment that goes muddy instead of settling clean
- A bitter, scratchy finish at the back of the tongue
When in doubt, throw it out.
Vinaigrette separates by design — cloudy after a shake is the emulsion doing its job, not a warning.
Quick answers
How long does bottled vinaigrette last once opened?
An opened bottle of vinaigrette holds 4 weeks in the fridge, and an unopened one sits out its 6 months in the pantry without complaint.
How long can bottled vinaigrette sit out?
Sitting out isn’t the safety question for unopened bottled vinaigrette — once opened, the FSIS 2-hour rule applies. Perishable food left at room temperature for more than 2 hours should be thrown out — 1 hour if it’s 90°F or hotter (a picnic, a hot car, a summer kitchen).