- How long does plain table salt last? The answer depends to a large extent on storage conditions - store plain table salt in a cool, dry area and keep tightly covered at all times.
How long does plain table salt last at room temperature? Properly stored, plain table salt that has not been iodized will remain safe to consume indefinitely.
Is plain table salt safe to use after the "expiration date"? Yes, plain table salt will remain safe to use indefinitely provided it has been stored properly and the package is undamaged - commercially packaged plain table salt will typically carry a "Best By," "Best if Used By," "Best Before, or "Best When Used By" date but this is not a safety date, it is the manufacturer's estimate of how long the plain table salt will remain at peak quality.
Does plain table salt ever expire? No, when properly stored and kept free from contaminants, plain table salt has an indefinite shelf life.
If plain table salt changes color, is it still safe to use? Yes, after prolonged storage, plain table salt may change color somewhat, but it will still be safe to consume if it has been stored properly.
Sources: For details about data sources used for food storage information, please click here