How should 5-(Bromomethyl)-2,4-pyrimidinediamine dihydrobromide (CAS: 89446-58-2) be stored?

5-(Bromomethyl)-2,4-pyrimidinediamine dihydrobromide (CAS: 89446-58-2) should be stored in a cool, dry place away from direct sunlight and heat sources to maintain its stability. It should be kept in a tightly sealed container to prevent moisture absorption and degradation. The storage area should have good ventilation to minimize the risk of flammable or explosive conditions. It is also advisable to store it in a secure location to prevent accidental exposure or misuse.