Active ingredient	Clopyralid
Chemical name	3,6-dichloro-2-pyridinecarboxylic acid
Classification	Herbicide / Agrochemical
Formulation	30%sl
Biochemistry	Synthetic auxin (acting like indolylacetic acid).
Mode of action	Selective systemic herbicide, absorbed by the leaves and roots, with translocation both acropetally and basipetally, and accumulation in meristematic tissue. Exhibits an auxin-type reaction. Acts on cell elongation and respiration.
Usage	Post-emergence control of many annual and perennial broad-leaved weeds of the families Polygonaceae, Compositae, Leguminosae, and Umbelliferae, in sugar beet, fodder beet, oilseed rape, maize, cereals, brassicas, onions, leeks, strawberries and flax (at 70-300 g a.e./ha), and in grassland and non-crop land (at 300-560 g a.e./ha). Provides particularly good control of creeping thistle (Cirsium arvense), perennial sow-thistle, coltsfoot, mayweeds, and Polygonum spp.
Mammalian Toxicology	Oral: Acute oral LD50 for male rats 3738, female rats 2675 mg/kg. Skin and eye: Acute percutaneous LD50 for rabbits >2000 mg/kg; a severe eye irritant, not a skin irritant. Inhalation: LC50 (4 h) for rats >0.38 mg/l.
Certificate of quality	Clopyralid 30%SL
	Item Appearance Content of A.I. pH value Content of Methanal	Specification Pale Yellow Transparent Liquid ≥30% 4.0-8.5 ≤10%

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