Tricyclazole

Common name tricyclazole (BSI, E-ISO, (m) F-ISO, ANSI)

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

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

CAS RN [41814-78-2]

Mol. wt. 189.2 

M.f. C9H7N3S 

Form Crystalline solid. 

M.p. 184.6-187.2 篊  B.p. 275 癈 

V.p. 5.86 ´ 10-4 mPa (20 篊, Knudsen-Effusion Weight Loss Method) 

KOW logP = 1.42 

Henry 1.86 ´ 10-7 Pa m3 mol-1 (20 篊, calc.) 

S.g./density 1.4 (20 癈) 

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

Mode of action Systemic fungicide, absorbed rapidly by the roots, with translocation through the plant. 

Uses Control of rice blast (Pyricularia oryzae) in transplanted and direct-seeded rice at 100 g/ha.