How should p-Toluenesulfonic acid monohydrate (CAS: 6192-52-5) be stored?

P-Toluenesulfonic acid monohydrate should be stored in a cool, dry, and dark place, ideally at temperatures below 25°C. It is sensitive to moisture and should be kept in a sealed container to maintain its stability. To prevent degradation, it should be protected from light and stored away from incompatible materials. Proper storage ensures its effectiveness and safety in both industrial and research applications.