How should 2-(3,4-Dihydroxyphenyl)-5,7-dihydroxy-3-chromeniumolate hydrochloride (1:1) (CAS: 528-58-5) be stored?

This compound should be stored in a cool, dry, and dark place, preferably at 2-8°C, to maintain its stability. It is sensitive to moisture and light, so it should be kept in a sealed container and away from direct sunlight. Proper storage is essential to prevent degradation and ensure chemical integrity, particularly in laboratory and industrial settings.