How should Tributyl(hexadecyl)phosphonium bromide (CAS: 14937-45-2) be stored?

Tributyl(hexadecyl)phosphonium bromide should be stored in a cool, dry place away from direct sunlight and heat sources. It is stable at room temperature but should be kept in tightly sealed containers to prevent moisture and air from affecting its properties. Avoid storing it near incompatible materials and ensure good ventilation in the storage area to prevent hazardous conditions.