Highly Effective Fungicide Tricyclazole (95%TC, 20%WP, 45%WP, 75%WP, 75%WDG) CAS NO.41814-78-2

specifications
common name: tricyclazole
chemical name: 5-methyl-1, 2, 4-triazolo [3, 4-b] benzothiazole
formula: c9h7n3s
molecular weight: 189.2
cas no.: 41814-78-2
specification: 95%tc, 20%wp, 45%wp, 75%wp, 75%wdg

physical & chemical properties
appearance: pure product is white needle-like crystal; industrial product is gray or light yellow to brown powder.
melting point: 187-188° c.
vapour pressure: 0.027mpa (25° c).
solubility: in water at 25, 1.6g/l. in acetone 10.4, methanol 25, xylene 2.1(all in g/l, 25).
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. slightly irritating to eyes and non-irritating to skin (rabbits).
inhalation lc50 (1h) for rats 0.146mg/l air
noel (2 y) for rats 9.6mg/kg b. w., for mice 6.7mg/ke b. w. daily; (1 y) for dogs 5mg/kg b. w.; 3-generation reproduction for rats 3mg/kg.
adi: 0.03mg/kg.
application
systemic fungicide, absorbed rapidly by the roots, with translocation through the plant. control of rice blast 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.