1,5-Pentamethylenetetrazole appears as white crystalline powder or granular solid with a slightly pungent odor. Bitter taste. Aqueous solutions neutral to litmus. is an organic heterobicyclic compound and an organonitrogen heterocyclic compound.
1,5-Pentamethylenetetrazole is a tetrazole derivative and inhibitor of the γ aminobutyric acid (GABAA) and its receptor complex.Pentylenetetrazole is a non-specific central nervous system (CNS) stimulant and convulsant.