Chemical Name: 3, 6-dichloro-2-pyridinecarboxylic acid
Formula: C6H3Cl2NO2
Molecular Weight: 192.0
CAS No.: 1702-17-6
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.
Formulation: 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.
| Clopyralid 95% TC |
| ITEMS | STANDARDS |
| Appearance | White powder |
| Content of a.i. | 95 % |
| Water | 0.5 % |
| Acidity(as H 2 SO 4 ) | 0.3 % |
| Clopyralid 30% SL |
| ITEMS | STANDARDS |
| Appearance | Homogeneous liquid |
| Content of a.i. | 30% |
| pH | 0.5 % |
| Persistent foam(1 min) | 0.3 % |