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2,4-D
Chemical: 2,4-D
Use category: Herbicide
Content & formulation:
2,4-D 98% TC
2,4-D 720 g/L SL
2,4-D 860 g/L SL
2,4-D 340 g/L+Dicamba 120 g/L SL
| Chemical | 2,4-D |
| Structure Formula |  |
| Common Name | 2,4-D (BSI, E-ISO, (m) F-ISO, WSSA); 2,4-PA (JMAF) |
| CAS No. | 94-75-7 |
| CAS Name | (2,4-dichlorophenoxy)acetic acid |
| Molecular Formula | C8H6Cl2O3 |
| Agrochemical Type | Herbicide,phenoxycarboxylic acids |
| Mode of Action | Selective systemic herbicide. Salts are readily absorbed by the roots, whilst esters are readily absorbed by the foliage. Translocation occurs, with accumulation principally at the meristematic regions of shoots and roots. Acts as a growth inhibitor. |
| Characteristics and Uses | Post-emergence control of annual and perennial broad-leaved weeds in cereals, maize, sorghum, grassland, established turf, grass seed crops, orchards (pome fruit and stone fruit), cranberries, asparagus, sugar cane, rice, forestry, and on non-crop land (including areas adjacent to water), at 0.28-2.3 kg/ha. Control of broad-leaved aquatic weeds. The isopropyl ester can also be used as a plant growth regulator to prevent premature fruit fall in citrus fruit. |
| 2,4-D 98% TC | ||
 |
ITEMS | STANDARDS |
| Appearance | White loose powder, free from visible extraneous matter | |
| Content of a.i. | ¡Ý98 % | |
| Loss on drying | ¡Ü1.5% | |
| Triethanolamine insolubles | ¡Ü0.5% | |
| Free phenol(as 2,4-dichlorophenol) | ¡Ü0.3% | |
| 2,4-D 72% SL | ||
 |
ITEMS | STANDARDS |
| Appearance | Brown transparent liquid free from visible extraneous material | |
| Content of a.i. | ¡Ý720g/L | |
| Free phenol | ¡Ü0.3% | |
| pH | 7.0~9.0 | |
| Persistent foam(1 min) | ¡Ü60ml | |
| Solution stability (as 5% aqueous solution) | No color change; Sediment maxium: trace; Solid particles: pass throug 45¦Ìm sieve. | |
| Stability at 0¡æ | The volume of solid and/or liquid which separates shall not be more than 0.3 ml. | |
| 2,4-D 860g/LSL | ||
 |
ITEMS | STANDARDS |
| Appearance | Brown transparent liquid free from visible extraneous material. | |
| Content of a.i. | ¡Ý860g/L | |
| Free phenol | ¡Ü0.3% | |
| pH | 7.0~9.0 | |
| Persistent foam(1 min) | ¡Ü60ml | |
| Solution stability (as 5% aqueous solution) | No color change; Sediment maxium: trace; Solid particles: pass throug 45¦Ìm sieve. | |
| Stability at 0¡æ | The volume of solid and/or liquid which separates shall not be more than 0.3 ml. | |
| 2,4-D 340 g/L+Dicamba 120 g/L SL | ||
 |
ITEMS | STANDARDS |
| Appearance | Brown transparent liquid free from visible extraneous material. | |
| Content of a.i. | ¡Ý340g/L | |
| Free phenol | ¡Ý120 g/L | |
| pH | 7.0~9.0 | |
| Persistent foam(1 min) | ¡Ü60ml | |
| Solution stability (as 5% aqueous solution) | No color change; Sediment maxium: trace; Solid particles: pass throug 45¦Ìm sieve. | |
| Stability at 0¡æ | The volume of solid and/or liquid which separates shall not be more than 0.3 ml. | |
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