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Condiments & Spreads
How long does ketchup (opened) last?
Opened ketchup bottle.
Quick answer
Pantry (room temp)
1 month
1 month opened at room temp (acidic — surprisingly stable)
After opening
6 months
6 months refrigerated
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Signs ketchup (opened) has gone bad
- •Mold around cap
- •Watery separation
- •Darker color
- •Off smell
Storage tips
- ✓Refrigeration preserves color/flavor longest
- ✓Squeeze bottles last longer than wide-mouth
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More condiments & spreads
Sources & review
Compiled by the BestByDates editorial team. Last reviewed: January 2025. Spotted an error? Let us know.
Disclaimer: Times shown are USDA/FDA-recommended best quality periods, not absolute safety guarantees. Storage conditions, packaging, and food handling all affect actual shelf life. When in doubt, throw it out.