- How long does kosher salt last? The answer depends to a large extent on storage conditions - store kosher salt in a cool, dry area and keep tightly covered at all times.
How long does kosher salt last at room temperature? Properly stored, kosher salt will remain safe to consume indefinitely.
Is kosher salt safe to use after the "expiration date"? Yes, kosher salt will remain safe to use indefinitely provided it has been stored properly and the package is undamaged - commercially packaged kosher 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 kosher salt will remain at peak quality.
Does kosher salt ever expire? No, when properly stored and kept free from contaminants, kosher salt has an indefinite shelf life.
If kosher salt changes color, is it still safe to use? Yes, after prolonged storage, kosher 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