Sulfentrazone is a member of the class of triazoles that is 5-oxo-1,2,4-triazole which is substituted at positions 1, 3, and 4 by 2,4-dichloro-5-[(methylsulfonyl)amino]phenyl, methyl, and difluoromethyl groups, respectively. A protoporphyrinogen oxidase inhibitor, it is used as a herbicide to control broad-leaved weeds in soya and tobacco crops. Not approved for use within the European Union. It has a role as a herbicide, an agrochemical and an EC 1.3.3.4 (protoporphyrinogen oxidase) inhibitor. It is a dichlorobenzene, a sulfonamide, a member of triazoles and an organofluorine compound.