How should 3-Methyl-2-oxobutanoic acid (CAS: 759-05-7) be stored?

3-Methyl-2-oxobutanoic acid should be stored in a cool, dry place away from direct sunlight and heat sources. The container should be tightly sealed to prevent evaporation and contamination. It should be stored in an airtight container made of appropriate material to minimize exposure to air and moisture. Refrigeration is not typically necessary but can be considered for longer storage periods.