Tricycloazole; Beam; 5-methyl-1,2,4-triazolo[3,4-b][1,3]benzothiazole;

5-methyl-1,2,4-triazolo[3,4-b][1,3]benzothiazole

C₉H₇N₃S

Form Crystalline solid.

Melting point 184.6-187.2℃.

Density 1.4 (20℃).

Solubility In purified water 0.596 g/l (20℃). In acetone 13.8, methanol 26.5, xylene 4.9 (all in g/l, 20℃).

Oral Acute oral LD50 for rats 314, mice 245, dogs >50 mg/kg;

Skin and eye Acute percutaneous LD50 for rabbits >2000 mg/kg;

Slight eye irritant; non-irritating to skin (rabbits);

Inhalation LC50 (1 h) for rats 0.146 mg/l air.

Control of rice blast (Pyricularia oryzae) in transplanted and direct-seeded rice at 100 g/ha. Can be applied as a flat drench, transplant root soak, or foliar application. One or two applications by one or more of these methods give a season-long control of the disease.

Description: Light yellow to red brown powder or gray powder,free from visible extraneous matter;

Active Ingredient Content (w/w): ≥95%;

Loss on Drying (w/w): ≤1.0%;

Acidity (as H2SO4) (w/w): ≤0.5%