IUPAC name: (2,4-dichlorophenoxy)acetic acid
Molecular formula: C8H6Cl2O3
CAS number: 94-75-7
Chemical group: Phenoxycarboxylic acid
Usage: 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.
2,4-D 95% TC
|Appearance||White to slight brown solid|
|Free phenol (as 2,4-dichclorophenol)||0.3% max|
|Sulphated ash||0.5% max|
|Triethanolamine insolubles||0.1% max|
Oral: Acute oral LD50 for rats 1707 mg/kg.
Skin and eye: Acute percutaneous LD50 for rabbits>2000 mg/kg
Extremely irritating and corrosive to eyes; moderately irritating to skin(rabbits).
Inhalation: LC50 (4 h) for rats >9.6 mg/l.
Uses: Control of annual and perennialbroad-leavedweeds and brush species in cereals,maize, sorghumsugar cane,asparagus,perennial seed grasses,turf,pastures,rangeland,and nocrop land.Used in combinations with many other herbicides, Dosage varies with specific use and ranges from 0.1to 0.4kg/ha for crop Use, higher rate in pasture.