It is widely-accepted that explosive materials are electron deficient. The exposure of fluorescent material to explosive vapors could hold back electron movement with fluorescence quenching. We report on the porous melamine-based resin (MF) as a novel sensing element regarding explosive vapors detection. MF resin's average pore diameter is 94.7 (Å) and, a surface area of 162 m2/g could effectively-adsorb explosive vapors via its porous structure. MF resin confirmed unique fluorescent properties over visible band 400–450 nm, and infrared band 700–800 nm when illuminated with 385 nm UV laser light. The fluorescence light signal was quenched as MF resin, and was subjected to ammonium nitrate (the most common industrial explosive material). These novel optical properties could be ascribed to wired series of π bonds, and lone pairs of an electron, along the macromolecule chain. The aligned series of electron donor sites could offer a high affinity to capture explosive molecules and could strengthen the chemosensory response. Fluorescence/quenching signal was precisely-recorded using hyperspectral imaging beside a 2D moving average filter.