How Long Does Ketchup Last?
Ketchup lasts 1 month when stored in the refrigerator. Discard if you notice off or sour smell or change in color (darkening or discoloration). Store properly to maximize freshness and safety.
Ketchup lasts 1 month under proper refrigerator storage. Always inspect before use if approaching the end of this window.
Refrigerator
1 month
Pantry (Unopened)
1 year
After Opening
1 month
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Can I Still Use This Ketchup?
Quick decision guide based on how you stored it:
In the fridge
Safe for 1 month. Check for spoilage signs before use.
In the fridge (opened)
Use within 1 month. Cover or seal to maintain freshness.
Left out at room temp
Pantry-stable for 1 year if sealed.
Left out at room temp (opened)
Opened and unrefrigerated — use immediately or discard after 2 hours.
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Ketchup Shelf Life by Storage Method
| Storage Method | Duration | Safety Level |
|---|---|---|
| Pantry / Room Temp (Unopened) | 1 year | SAFE |
| After Opening | 1 month | SAFE |
| Refrigerator | 1 month | SAFE |
About Ketchup
Ketchup shelf life information including storage tips and signs of spoilage.
Signs Ketchup Has Gone Bad
- Off or sour smell
- Change in color (darkening or discoloration)
- Mold growth on surface or inside cap
- Change in texture (separation or thickening)
How to Store Ketchup Properly
- Store unopened ketchup in a cool, dry pantry away from direct sunlight.
- Refrigerate ketchup promptly after opening to maintain quality.
- Keep the cap tightly closed to prevent contamination and spoilage.
Safety Notes & Expiration Risks
Consuming expired ketchup can lead to gastrointestinal discomfort due to bacterial growth or mold contamination. While ketchup's acidity inhibits many pathogens, spoiled product may cause foodborne illness or allergic reactions in sensitive individuals.
Common Questions About Ketchup Safety
Is ketchup still safe after being left out overnight?
Ketchup that is shelf-stable and was sealed can generally be left out overnight without safety concerns. However, if it was opened or is a perishable variety, the USDA 2-hour rule applies — discard any perishable food left in the "danger zone" (40–140°F) for more than 2 hours.
Can you eat ketchup that smells fine but is past its expiration date?
"Best by" and "sell by" dates on ketchup typically indicate peak quality, not a hard safety cutoff. If ketchup smells normal, shows no visible mold or discoloration, and has been stored properly, it is often safe shortly past the printed date. However, use your judgment and when in doubt, discard it.
What does it mean if ketchup has changed color or texture?
Minor color changes in ketchup may be natural and do not always indicate spoilage. However, significant discoloration, mold growth, unusual sliminess, or a major texture change typically means the product has degraded. If the change is accompanied by an off smell, discard the product. When only the color has shifted slightly and everything else seems normal, the product may still be usable but is past peak quality.
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Frequently Asked Questions
How long does Ketchup last?
Unopened ketchup lasts about 1 year in the pantry or refrigerator, while opened ketchup should be used within 1 month when refrigerated.
Does Ketchup expire?
Yes, ketchup can expire. While its acidity helps preserve it, over time it can lose quality and become unsafe to consume.
How can you tell if Ketchup has gone bad?
Signs include an off or sour smell, mold growth, discoloration, and changes in texture such as separation or thickening.