Søkte litt rundt på internett for deg og her er svaret jeg fant:


Amphetamine and amphetamine derivatives (meth, MDMA, MDA,2C-X, DO-X…) are simple, stable molecules. Their rate of degradation over time is very low, and they can keep their properties during years if they are kept in a dry, dark place, out of direct sunlight. There is no need to keep them in the fridge (in fact, moisture can facilitate degradation). They can be kept for years without problems.

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