How should 1-(2-Hydroxyethyl)-1,2-dihydro-5H-tetrazole-5-thione (CAS: 56610-81-2) be stored?

1-(2-Hydroxyethyl)-1,2-dihydro-5H-tetrazole-5-thione should be stored in a cool, dry place, away from direct sunlight and heat sources. It is recommended to keep it in a tightly sealed container to prevent evaporation and contamination. The temperature should be maintained below 25°C to ensure stability. It should not be stored near flammable materials to avoid any potential risks.