How should 2,2'-({4-[(2-Hydroxyethyl)amino]-3-nitrophenyl}imino)diethanol (CAS: 33229-34-4) be stored?

2,2'-({4-[(2-Hydroxyethyl)amino]-3-nitrophenyl}imino)diethanol should be stored in a tightly closed container in a cool, dry place away from direct sunlight and heat. It is recommended to keep it at a temperature below 30°C and with a relative humidity below 60%. Avoid storing it in a damp or humid environment to prevent degradation. Ensure proper ventilation in the storage area and handle with care to avoid spills and contamination.