View Full Version : Pyrogallol
kev curry
15-Feb-2011, 16:19
Anyone know the shelf life of Pyrogallol (raw chem)?
My search was fruitless.
Cheers
Drew Wiley
15-Feb-2011, 16:26
Seems to last a long, long time.
evan clarke
15-Feb-2011, 16:35
Mine's about ten years old and still working fine...
Kirk Keyes
16-Feb-2011, 14:08
I've used some that's at least 40 years old, and it performs identically to some that I fresh pyrogallol that I bought recently.
As long as it's not getting dark brown, it should work fine. (My old stuff is a light tan color.)
kev curry
16-Feb-2011, 16:31
Thats great, thanks.
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