Only situations with a published figure are listed. A blank isn't “forever” — it means no reliable number is published for it.
Storage
Store at: Pantry unopened; refrigerate at 40°F (4°C) or below after opening
Refrigerate after opening: Yes — refrigerate at 40°F (4°C) or below
Tip: USDA FoodKeeper: 1 year in the pantry unopened, about 4 months refrigerated after opening.
USDA FoodKeeper tip (pantry storage): Refrigeration ensures that commercial sauces and condiments stay fresh for a longer period of time.
USDA FoodKeeper tip (pantry storage): Shelf-stable commercial barbecue sauce is safe when stored at room temperature after opening.
USDA FoodKeeper tip (pantry storage): Quality, not safety, is the reason the labels on these products suggest that they be refrigerated after opening.
How to tell if Barbecue sauce has gone bad
Mold
Off or fermented smell
Fizzing or bubbling
Color darkening
USDA FoodKeeper publishes no spoilage note for Barbecue sauce specifically, so these are the general signs for condiments & sauces — never taste something to test it. When in doubt, throw it out.
Air and warmth are what shorten an opened item's life — the right container buys back the days the packaging gives up once the seal's broken.
About 4 months refrigerated at 40°F (4°C) or below, according to USDA FoodKeeper. Refrigerate it once it's open.
Does Barbecue sauce need to be refrigerated after opening?
Yes — keep Barbecue sauce at 40°F (4°C) or below once it's open. Pantry unopened; refrigerate at 40°F (4°C) or below after opening.
How can you tell if Barbecue sauce is bad?
Look for: Mold; Off or fermented smell; Fizzing or bubbling; Color darkening. Those are the general signs for condiments & sauces — USDA FoodKeeper publishes no spoilage note for Barbecue sauce specifically. Never taste something to test it — when in doubt, throw it out.