How should Calcium bis{2-[(E)-(2-hydroxy-1-naphthyl)diazenyl]-1-naphthalenesulfonate} (CAS: 1103-39-5) be stored?

Calcium bis{2-[(E)-(2-hydroxy-1-naphthyl)diazenyl]-1-naphthalenesulfonate} should be stored in a tightly sealed container in a cool, dry place, away from direct sunlight and heat sources. It should be kept at a temperature below 30°C (86°F) to maintain its stability and prevent degradation. Avoiding exposure to moisture and light is crucial to ensure the compound remains effective and safe for use.