Glyphosate

Glyphosate is a white, crystalline solid at room temperature, odorless and non-volatile, with a melting point of approximately 230 °C (with decomposition). It is an organophosphorus compound classified as a glycine derivative and a phosphonic acid. Glyphosate is primarily used as a broad-spectrum, non-selective herbicide in agriculture, forestry, and horticulture, acting by inhibiting the EPSP synthase enzyme in the shikimate pathway. Its main commercial applications are in formulated herbicidal products for weed control in crop production—including glyphosate-tolerant soybean, corn, and cotton—and in non-crop areas such as rights-of-way and industrial vegetation management. It is not used as a chemical intermediate in significant downstream synthesis; its value lies predominantly in its direct agrochemical application.

It was originally used for controlling of grass weeds in rubber plantations and can allow the rubber tapping a year earlier and increase the production capacity of the old rubber tree. It is currently gradually extended to forestry, orchards, mulberry fields, tea plantations, rice and wheat, and rape rotation land. Different kinds of weeds have different sensitivity to glyphosate and therefore the dosage is also different. For example, for weeds such as barnyardgrass, green bristlegrass, Alopecurus aequalis, Eleusine indica, crabgrass, cleavers and other annual weeds, the dosage calculated according to the amount of the active ingredient should be 6~10.5 g/ 100 m2. For semen plantaginis, horseweed, and dayflower, the dosage of being an active ingredient should be 11.4~15g/100m2. For cogon, Panicum repens, and reeds, the dosage can be 18~30 g /100m2, generally the used amount of water should be 3~4.5 kg. Apply direct and even spray to the stems and leaves of the weed. It is a kind of non-selective, post-emergent herbicide with short residue life. It can be used for control of perennial deep roots weeds, annual and biennial weeds, sedges and broadleaf weeds. Glyphosate is an organic phosphorus herbicide and its herbicidal property was found by D. D. Baird (US) in 1971. Until to the 1980s, it has become an important species in the world herbicide.

This chemical is included in Fine Chemicals. See more about what is Glyphosate and Glyphosate SDS information.

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