How should 2,7-Diazaspiro[4.4]nonane dihydrobromide (CAS: 77415-55-5) be stored?

2,7-Diazaspiro[4.4]nonane dihydrobromide should be stored in tightly sealed containers to protect it from moisture and air. Maintain a temperature below 25°C and store it in a cool, dry place away from direct sunlight and heat sources. Ensure good ventilation to avoid the risk of inhalation. Avoid exposure to extremes of temperature and humidity to preserve its stability and reactivity.