How should 5-Pyrimidinol, 2,4-diamino-, hydrochloride (CAS: 141124-58-5) be stored?

5-Pyrimidinol, 2,4-diamino-, hydrochloride (CAS: 141124-58-5) should be stored in a tightly closed container in a cool, dry place, away from direct sunlight and heat sources. It should be kept at a temperature not exceeding 30°C and in a well-ventilated area to avoid the risk of decomposition or hygroscopicity. Avoid exposure to moisture and maintain a relative humidity below 60%.