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Paraquat, also known as Baragli, is called paraquat in Taiwan Province, China. The chemical names are N,N'- dimethyl -4,4- bipyridine dichloride and methyl disulfate, and the chemical formula is (C12H14N2)2+, which exists in the form of divalent cations. There are two kinds of products, namely dichloride and methyl disulfate, which belong to bipyridine heterocyclic compounds in chemistry.

It is a colorless and odorless liquid. In order to prevent accidental ingestion, warning color, odorant and emetic are often added in production, so that it is a green and blue water-soluble liquid with pungent smell. Not flammable, not explosive. It is a fast-killing herbicide, which has contact killing effect and certain systemic effect. Can be quickly absorbed by the green tissues of plants and make them die. It has no effect on non-green organizations.

the above content reference: Baidu encyclopedia-paraquat