How long is the ketchup good for in the packets given out by restaurants and do they need to be refrigerated?

Answer

You should call the manufacturer listed on the packet.. to be certain...but refrigerating the packets do extend their shelf life..
-----------


:Better Answer with Source:

(Heinz Products, but others can, but vary, be compared to be about the same)
Product -- Shelf Life
(for a single serving)
  • Ketchup -- 7 months
  • Chopped onions -- 7 months
  • Mayonnaise -- 8 months
  • Fat-free mayonnaise -- 8 months
  • Relish -- 9 months
  • Mild taco sauce -- 9 months
  • Hot taco sauce -- 4 months
  • Yellow mustard -- 9 months
  • BBQ sauce -- 9 months
  • Steak sauce -- 9 months
  • Tartar sauce -- 8 months
  • Horseradish sauce -- 8 months
  • Cocktail sauce -- 9 months
  • Tabasco sauce -- 8 months
My Source: http://www.wisn.com/food/9536721/detail.html


Also, because of the preservatives used, refrigeration is NOT needed unless specifically stated on the package, which is about 2% of condiments.