How should 2,4-Diethyl-5-methyl-1,3-benzenediamine (CAS: 68479-98-1) be stored?

2,4-Diethyl-5-methyl-1,3-benzenediamine (CAS: 68479-98-1) should be stored in a cool, dry, and well-ventilated area away from light. It is best kept in a sealed container made of non-reactive material such as glass or stainless steel. Storage conditions should maintain a temperature below 25°C and a relative humidity level below 60% to ensure stability and prevent degradation.