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AR15.COM
9/9/2014 6:22:21 PM EDT
Is there a 'life span' for Denatured alcohol?  I use mine often in the backpacking stove I carry, but was thinking of putting some aside.
9/9/2014 9:19:15 PM EDT
[#1]
Quoted:
Is there a 'life span' for Denatured alcohol?  I use mine often in the backpacking stove I carry, but was thinking of putting some aside.
View Quote


As long as it remains sealed it will be fine.  Any alcohol open to the air will start to absorb moisture from the air and or evaporate leaving you with watery alcohol that isn't an effective fuel or with nothing.
9/10/2014 12:26:57 AM EDT
[#2]
FPNI.

I've got some in storage I rarely used that I think I bought in 1989 or so. There's really nothing that can go "bad,"
denatured alcohol is just ethanol with methanol added to poison it. Neither decomposes/degrades into something
else, so it has effectively infinite shelf life if sealed.