How should (2-Methyl-3-nitrophenyl)acetic acid (CAS: 23876-15-5) be stored?

(2-Methyl-3-nitrophenyl)acetic acid (CAS: 23876-15-5) should be stored in a tightly sealed container in a cool, dry place, away from direct sunlight and heat sources to prevent degradation. It should be kept at temperatures below 30°C and at a relative humidity below 50%. Proper storage containers should be made of materials that do not react with the compound to ensure its stability and safety.