PRODUCTS
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86-755-82327106 86-755-82327107 86-755-82322950 |
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86-755-82321302 |
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agrochem@topsencn.com |
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ray@topsencn.com |
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Ms. Alice Zhang |
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Mr. Ray Wang |
Introduction
Clopyralid is an herbicide used to kill unwanted annual and perennial broadleaf weeds such as chicory, sticktight, in turf and lawn, rang, pasture, and some agricultural crops.
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Chemical Name: 3,6-dichloro-2-pyridinecarboxylic acid
Formula: C6H3Cl2NO2
Molecular Weight: 192.0
CAS No.: 1702-17-6
Structure:
Description:
Appearance: Colourless crystals.
Melting Point: 151-152 °C.
Vapour Pressure: 1.33 mPa (pure, 24°C); 1.36 mPa (tech., 25°C)
Solubility: Pure (99.2%) 7.85 (in distilled water), 118 (pH 5), 143 (pH 7), 157 (pH 9) (all in g/l, 20°C). In acetonitrile 121, n-hexane 6, methanol 104 (all in g/kg). Forms water-soluble salts, for example potassium, solubility >300 g/l (25°C).
Stability Decomposes above m.p. Stable in acidic media and to light; on hydrolysis, DT50 >30 d at pH range 5-9 (25°C) in sterile water.
Specification: 95%TC, 30%SL, 75%WDG
Uses: 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, brassicas, onions, leeks, strawberries, flax and grassland. Provides particularly good control of creeping thistle (Cirsium arvense), perennial sow-thistle, coltsfoot, mayweeds, and Polygonum spp.
