How should [7-hydroxy-8-[(4-sulpho-1-naphthyl)azo]naphthalene-1,3-disulphonato(3-)]aluminium (CAS: 15876-47-8) be stored?

[7-hydroxy-8-[(4-sulpho-1-naphthyl)azo]naphthalene-1,3-disulphonato(3-)]aluminium should be stored in a cool, dry place away from direct sunlight and heat sources. It is recommended to keep the compound in a tightly sealed container to prevent moisture absorption. The storage temperature should not exceed 25°C, and the relative humidity should be kept below 60%. Adequate ventilation should be provided to ensure safety. If the compound becomes wet, it should be dried before use to maintain its effectiveness.