How should 1,3-Dioxo-1,3-dihydro-2-benzofuran-5-carboxylic acid (CAS: 552-30-7) be stored?

1,3-Dioxo-1,3-dihydro-2-benzofuran-5-carboxylic acid (CAS: 552-30-7) should be stored in a cool, dry place, away from light and moisture. It is typically kept in airtight containers to maintain stability and prevent degradation. Storage conditions should avoid exposure to high temperatures and humidity, ensuring long-term preservation of its chemical properties.