CH2N2

CH2N2 may refer to:


 * Cyanamide, an organic compound
 * Diazirine, class of organic molecules with a cyclopropene-like ring, 3H-diazirene
 * Diazomethane, chemical compound discovered in 1894
 * Isodiazomethane, parent compound of a class of derivatives of general formula R2N–NC
 * Nitrilimine, class of organic compounds sharing a common functional group with the general structure R-CN-NR