Terbutryn 97% TC

Active ingredient

Common name:

terbutryn (BSI (from 1984), E-ISO, ANSI, WSSA); terbutryne (BSI (before 1984),

(m) F-ISO)

Chemical name:

N-(1,1-dimethylethyl)-N'-ethyl-6-(methylthio)-1,3,5-

triazine-2,4-diamine

CAS No:

[886-50-0]

Molecular Formula:

C10H19N5S

Pesticide category:

Herbicide

Mode of Action:

Selective herbicide, absorbed by the roots and foliage, with

translocation acropetally through the xylem, and accumulation

in the apical meristems.

Characteristics and Uses:

pre-emergence in winter cereals, at 1-2 kg/ha, to control Alopecurus myosuroides (blackgrass) and

Poa annua (annual meadow grass). Among the autumn-germinating broad-leaved weeds controlled are Stellaria media

(chickweed), Matricaria (mayweed), Papaver (poppies) and

Veronica (speedwell), but Galium aparine (cleavers) are

rather resistant. Other pre-emergence uses are on sugar cane and

sunflowers, and, in mixture with terbuthylazine, on beans, peas and

potatoes. In mixture with metolachlor, used in cotton and

peanuts. Also used post-emergence (0.2-0.4 kg/ha) in cereals,

(1-3 kg/ha) in sugar cane, and as a directed spray in maize.

As 'Clarosan', it is used to control algae and submerged

vascular plants in waterways, reservoirs and fish ponds.

Toxicity:

Oral: Acute oral LD50 for rats 2500, mice 500 mg/kg.

Skin and eye: Acute percutaneous LD50 for rats >2000,

rabbits >20 000 mg/kg. Not a skin or eye irritant (rabbits).

Not a skin sensitiser (guinea pigs).

Inhalation: LC50 (4 h) for rats >2200 mg/m3 air.

Formulation

Product name:

Terbutryn 97%Tech

Produktgruppe : Herbizide Serie > Andere Herbizide