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Product:
  Imazapyr
C.A.S:
  81334 34 1
Assay:
  TC,EC; GR; SL
Package:
  Upon request
Usage:
  Biochemistry: Branched chain amino acid synthesis (ALS or AHAS) inhibitor. Thus causes disruption of protein synthesis, which leads to interference in DNA synthesis and cell growth. This results in chlorosis and tissue necrosis of new leaves. Mode of action: Non-selective systemic herbicide, absorbed by the foliage and roots, with rapid translocation in the xylem and phloem to the meristematic regions, where it accumulates. Uses: Imazapyr isopropylammonium is used for pre and post-emergence control of annual and perennial grasses, sedges and broad-leaved weeds, as well as many brush and deciduous tree species. Used in non-crop areas, such as industrial sites, railways, roads, drainage channels, etc., at 0.25-1.7 kg a.i./ha; in forestry management, at 0.25-1.7 kg/ha; and in plantations of rubber trees and oil palms, at 0.125-1.0 kg/ha. Phytotoxicity: Non-phytotoxic to conifers. Rubber trees and oil palms show good tolerance, though application onto foliage is not selective, and care should be taken to avoid contact of the spray with the foliage of oil palms and the leaves and young bark of rubber trees.
Description:
  M.F.: C13H15N3O3 Mol Wt: 261.3 Form (appearance): White to tan powder, with a slight odour of acetic acid. M.P.: 169-173℃ V.P.: <0.013 mPa (60℃) Solubility.: In water 9.74 g/l (15℃), 11.3 g/l (25℃). In acetone 3.39, dimethyl sulfoxide 47.1, hexane 0.00095, methanol 10.5, methylene chloride 8.72, toluene 0.180 (all in g/100 ml). Stability: Stable for at least 2 years at 25℃, 1 year at 37℃, and 3 months at 45℃. Stable in aqueous media at pH 5 to pH 9 in the dark; avoid storage >45℃. In solution, the acid is decomposed in simulated sunlight; DT50 6 d at pH 5to pH 9. KowlogP: 0.11 (22℃, unstated pH) Pka: pKa11.9, pKa23.6, pKa311

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