DMI ref. omg198 Image title: 2:4 Dinitro phenyl hydrazine combo (from omg028)
In real life, 2,4-Dinitrophenylhydrazine (CAS# 119-26-6) is a reddish, crystalline compound. It is unstable (explodes) when heated and is toxic. In the form of Brady's reagent is used as a test for for carbonyl compounds (aldehydes and ketones) and has other industrial chemical uses.