ethyl (R)-2-[4-(6-chloroquinoxalin-2-yloxy)phenoxy]propionate

(RS)-2-[4-(6-chloroquinoxalin-2-yloxy)phenoxy]propionic acid

C₁₉H₁₇ClN₂O₄

Form Colourless crystals.

Melting point 91.7-92.1℃.

Density 1.35 (20℃).

Solubility In water 0.3 mg/l (20℃).

In benzene 290, xylene 120, acetone 111, ethanol 9, hexane 2.6 (all in g/l, 20℃).

Oral Acute oral LD50 for male rats 1670, female rats 1480, male mice 2360, female mice 2350 mg/kg. Skin and eye Acute percutaneous LD50 for rats and mice >5000 mg/kg.

Not a skin or eye irritant to rabbits, nor a sensitiser to guinea pigs.

Inhalation LC50 (4 h) for rats 5.8 mg/l.

Selective post-emergence control of annual and perennial grass weeds in potatoes, soya beans, sugar beet, peanuts, oilseed rape, sunflowers, vegetables, cotton, and flax.

Description: White to yellow fine powder,free from visible extraneous matter;

Active Ingredient Content (w/w): ≥92.0%;

Water (w/w): ≤0.5%;

pH Value: 5.0~7.0;

Acetone Insoluble Material (w/w): ≤0.5%