2-hydroxy-3-(1,2,3,4-tetrahydronaphthalen-1-yl)-4H-chromen-4-one; 4-hydroxy-3-(1,2,3,4-tetrahydronaphthalen-1-yl)-2H-chromen-2-one

4-hydroxy-3-(1,2,3,4-tetrahydro-1-naphthyl)coumarin

C₁₉H₁₆O₃

Formar Yellowish crystals.

Punto de fusion 166-172℃.

Solubilidad en water 4 (pH 4.2), 20 (pH 5), 425 (pH 7) (all en mg/l, 20℃), 100-200 g/l (pH 9, 20℃). Readily soluble en dimethylFormaramide. Soluble en alcohols and acetone. Slightly soluble en benzene, toluene and diethyl ether. en dichloromethane 50-100, isopropanol 20-50 (both en g/l, 20℃). Readily soluble en alkalis with the Formaration of salts.

Agudo agudo oral LD50 para rats 16.5, mice >1000, rabbits >500 mg/kg.

Sub-chronic oral LD50 (5 d) para rats 0.3 mg/kg/day.

Piel y ojos agudos percutaneous LD50 para rats 100-500 mg/kg. Inhalación LC50 (4 h) para rats 39, mice 54 mg/m³.

Control of rats in a variety of situations, including areas containing stored products.