Tricyclazone (CAS No.: 41814-78-2 )

  Generic: Tricyclazole
Chem name: 5-methyl-1,2,4-triazolo[3,4-b][1,3]benzothiazole
CAS No: 41814-78-2
Molecular formula: C9H7N3S

Molecular weight: 189.2
Physical & Chemical Character
Appearance Tech. crystalline solid. M.p.187-188℃. Bp.275℃. V.p.0.027mPa(25℃). Solubility in water at 25℃, 1.6g/l. In acetone 10.4, methanol 25, xylene 2.1(all in g/l, 25℃). Stability Stability Stable at 52℃ (highest storage temperature tested). Reatively stable to u.v.light.

Toxicity
Oral Acute oral LD50 for rats 314, mice 245, dogs＞50mg/kg. Skin and eye Acute percutaneous; LD50 for rabbits＞2000mg/kg; Slight eye irritant; not-irritating to skin (rabbits). Inhalation LC50(1h) for rats 0.146mg/l air. Toxicity class WHO (a.i.) Ⅱ.

Application
Systemic fungicide, absorbed rapidly by the roots, with translocation through the plant. Control of rice blast (Pyricularia oryzae) in transplanted and direct-seeded rice. Can be applied as a flat drench, transplant root soak, or foliar application. One or 2 applications by one or more of these methods give a season-long control of the disease.