How should 3,4,5-Trimethoxyphenylacetic acid (CAS: 951-82-6) be stored?

3,4,5-Trimethoxyphenylacetic acid should be stored in a cool, dry place away from direct light. It is best kept in a sealed, airtight container to prevent moisture absorption. The recommended storage temperature is between 2°C and 8°C, and it should be stored in a well-ventilated area to avoid exposure to air. Proper storage helps maintain its chemical stability and prolong its shelf life.