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Tag search results for: "dihydropyran application"
The 4-dihydropyran application class of herbicides began to be
developed in the late 1950s. This kind of herbicide has the
characteristics of wide insecticidal spectrum, quick contact and
non-selectivity. Main physical and chemical properties: ionic paraquat
colorless or light yellow solid. The relative density is 1.24 (20℃/20℃).
The vapor pressure is close to 0 (20℃).
Soluble in water, almost insoluble in organic solvents. Corrosive to
metal. Pure white crystal. Melting point 300℃ (decomposition). Vapor
pressure < 1... more
