How should 2-Methyl-2,7-diazaspiro[4.4]nonane dihydrochloride (CAS: 91188-26-0) be stored?

2-Methyl-2,7-diazaspiro[4.4]nonane dihydrochloride should be stored in a cool, dry place away from direct sunlight and sources of heat. Store it in a tightly sealed container to prevent moisture absorption. The ideal temperature range for storage is between 15-25°C. Avoid storing it near incompatible chemicals and ensure it is protected from temperature extremes to maintain its stability.