DMI ref. omg199 Image title: 2,4-Dinitro Phenyl hydrazine melt, from omg029.
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. Micrograph made with dark ground illumination.