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Common Name Clopyralid CAS NO. 1702-17-6
Chemical Formula C6H3Cl2NO2 Molecular Mass 192.0
Structural Formula
Mode of Action Selective, systemic, absorbed through leaves and roots. Synthetic auxin.
Uses Post-emergence control of many annual and perennial broad-leaved ****s 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, may****s, and Polygonum spp.
Clopyralid 97% TC
Clopyralid 97% TC
 Appearance  White powder
 Content of a.i.   ≥97%
 Water  ≤0.5%
 Acidity(as H2SO4)   ≤0.3%
Clopyralid 75% WDG
Clopyralid 75%WDG
 Appearance  Homogeneous flowable granules
 Content of a.i.  ≥75%
 Water  ≤3.0%
  Disintegration time  ≤180s
 Suspensibility  ≥80%
 Wet sieve( 44µm sieve)  ≥98%
Clopyralid 75%SG
Clopyralid 75%SG




Dry, flowable granules

Content of a.i.


Persistent foaming



Essentially non-dusty.


≥ 99%(5mm sieve, 20drops)


Residue ≤ 2%(75μm sieve,18h)

Storage stability


Clopyralid 300g/L SL
Clopyralid 300g/L SL
 Appearance  Homogeneous liquid
 Content of a.i.  ≥30%
 pH  5.0~8.5
 Persistent foam(1 min)  ≤60ml

 Solution stability

Stability at 0 No separation or the volume of solid and/or liquid which separates shall not be more than 0.3 ml.
Note:Other formulations are available on request.
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