5-bromo-3-sec-butyl-6-methyluracil; 5-Bromo-6-Methyl-3-(1-Methylpropyl)-2,4(1h,3h)-Pyrimidinedione; Du Pont Herbicide 976; 5-bromo-3-(butan-2-yl)-6-methylpyrimidine-2,4(1H,3H)-dione

5-bromo-3-sec-butyl-6-methyluracil

C₉H₁₃BrN₂O₂

Formar Cristales descoloridos.

Punto de fusion 157.5-160℃.

Densidad 1.59 (23℃).

Solubilidad en water 807 (pH 5), 700 (pH 7), 1287 (pH 9) (all en mg/l, 25℃). en ethanol 134, acetone 167, acetonitrile 71, xylene 32, 3% aqueous sodium hydroxide 88 (all en g/l, 25℃).

Agudo agudo oral LD50 para male rats 2000, female rats 1300 mg/kg (para 80% paramulation).

Piel y ojos agudos percutaneous LD50 para rabbits >5000 mg/kg.

Mild eye and moderate skin irritant. Non-sensitising to skin.

For selective control of annual and perennial weeds and grasses in citrus and pineapple plantations.