Fungicide triticonazole 95%TC CAS No.:131983-72-7 CAS NO.131983-72-7

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triticonazole 95%TC

NOMENCLATURE
Common name triticonazole (BSI, pa E-ISO)
IUPAC name ( -(E)-5-(4-chlorobenzylidene)-2,2-dimethyl-1-(1H-1,2,4-triazol-1-ylmethyl)cyclopentanol 
Chemical Abstracts name 5-[(4-chlorophenyl)methylene]-2,2-dimethyl-1-(1H-1,2,4-triazol-1-ylmethyl)cyclopentanol 
CAS RN [131983-72-7]  Development codes RPA 400727 (Rhône-Poulenc) 

PHYSICAL CHEMISTRY
Composition Material is a racemic mixture; 95% pure.  Mol. wt. 317.8  M.f. C17H20ClN3O  Form White powder, odourless at 22 ºC.  M.p. 139-140.5 ºC  V.p. <1 ´ 10-5 mPa (50 ºC)  KOW logP = 3.29 (20 ºC)  Henry <3.9 ´ 10-5 Pa m3 mol-1 (calc.)  S.g./density 1.326-1.369 (20 ºC)  Solubility In water 9.3 mg/l (20 ºC), independent of pH.  Stability Slight decomposition at 180 ºC. 

APPLICATIONS
Biochemistry Inhibition of sterol demethylation.  Uses Seed disinfectant against seed-borne diseases, and a preventive treatment against a number of foliar pathogens such as rusts, powdery mildew, leaf spot, eye spot, leaf and net blotch of cereals, and head smut of maize; applied as a seed treatment at 50 g/t for cereals and 200 g/t for maize.  Formulation types FS. 

MAMMALIAN TOXICOLOGY
Oral Acute oral LD50 for rats >2000 mg/kg.  Skin and eye Acute percutaneous LD50 for rats >2000 mg/kg. Not a skin or eye irritant.  Inhalation LC50 >1.4 mg/l air.  NOEL Chronic NOEL for rats 750 ppm (29.4 and 38.3 mg/kg b.w. daily for males and females, respy.); for dogs 2.5 mg/kg b.w.  ADI (France) 0.0025 mg/kg (provisional).  Toxicity class WHO (a.i.) III (Table 5) 

ECOTOXICOLOGY
Birds Acute oral LD50 for bobwhite quail >2000 mg/kg.  Fish Low acute toxicity to rainbow trout; LC50 >10 mg/l.  Daphnia LC50 (48 h) >9.3 mg/l.  Algae EC50 (96 h) >1.0 mg/l.  Worms Non-toxic. 

ENVIRONMENTAL FATE
Animals 90% Elimination via faeces within 7 days in the rat.  Plants Metabolised to a dihydroxy metabolite and others.  Soil/Environment DT50 224-360 d (10 ºC).