Product Name

Atrazine

Function

Herbicide

Specification

97%TC, 80%WP, 50%WP, 500g/l SC

CAS NO.

1912-24-9

Empirical Formula

C8H14ClN5

Chemical Name

6-chloro-N-ethyl-N'-(1-methylethyl)-1,3,5-triazine-2,4-diamine

Toxicology

Oral Acute oral LD50 for rats 1869-3090 mg tech./kg, mice >1332-3992 mg/kg.
Skin and eye Acute percutaneous LD50 for rats >3100 mg/kg. Mild skin irritant; non-irritating to eyes (rabbits). Skin sensitiser
in guinea pigs, but not in humans.
Inhalation LC50 (4 h) for rats >5.8 mg/l air.
NOEL (2 y) for rats 10 mg/kg diet (0.5 mg/kg daily), for dogs 150 mg/kg diet (3.75 mg/kg daily), for mice 10 mg/kg diet (1.4 mg/kg
daily).  ADI 0.005 mg/kg b.w.
Water GV 2 mg/l (TDI 0.5 mg/kg b.w.).
Toxicity class WHO (a.i.) U; EPA (formulation) III

Atrazine Mode of action

Selective systemic herbicide, absorbed principally through the roots, but also through the foliage, with translocation acropetally in the xylem and accumulation in the apical meristems and leaves.

Atrazine Uses

Pre- and post-emergence control of annual broad-leaved weeds and annual grasses in maize, sorghum, sugar cane, pineapples, chemical fallow, grassland, macadamia nuts, conifers, industrial weed control. In Europe, use is concentrated in maize and sorghum Used also in combinations with many other herbicides.