Myclobutanil C15H17ClN4 Natural Plant Fungicide 98%TC 97%TC 96%TC

Product Name

myclobutanil 

Function

Fungicide

Specification

98%tc, 

Chemical Name

a-butyl-a-(4-chlorophenyl)-1H-1,2,4-triazole-1-propanenitrile  

CAS No.

88671-89-0

Empirical Formula

C15H17ClN4

Toxicology

Oral Acute oral LD50 for male rats 1870, female rats 2090 mg/kg.  Skin and eye Acute percutaneous LD50 for rabbits >5000 mg/kg. Not a skin irritant; can cause substantial irritation to the eyes (rabbits). Not a skin sensitiser (guinea pigs).  Inhalation LC50 for rats 5.1 mg/l.  NOEL Dietary NOEL (90 d) for dogs 3.1 mg/kg b.w. daily. Reproductive NOEL for rats 14.7 mg/kg b.w. daily. NOAEL, based on chronic feeding, oncogenicity and reproductive studies 2.5 mg/kg b.w. daily.  ADI (JMPR) 0.03 mg/kg b.w. [1992].  Other Non-teratogenic in rats and rabbits, and various mutagenicity tests proved negative. Not mutagenic in the Ames assay.  Toxicity class WHO (a.i.) III  EC classification R63| Xn; R22| Xi; R36| N; R51, R53  

Applications

Biochemistry Inhibits ergosterol biosynthesis (steroid demethylation inhibitor). Mode of action Systemic fungicide with protective and curative action. Translocated upwards in the plant. Uses Control of Ascomycetes, Fungi Imperfecti, and Basidiomycetes on a wide variety of crops. The primary use is for powdery mildew (Uncinula necator) control in vines and for combined leaf scab and powdery mildew control in apples. Application rates typically 30-60 g/ha. Also registered for control of Ascomycetes or Basidiomycetes diseases on a broad variety of crops including other pome fruit, stone fruit, cucurbits, strawberries, almonds, tomatoes, vegetables, hops, cotton, cereal seed treatments, turf and ornamentals. It is used as a foliar treatment for control of powdery mildew, shot-hole, blossom blight, anthracnose and rust in stone fruit and nuts; powdery mildew in cucurbits; powdery mildew and rusts on ornamentals; rusts on perennial grasses grown for seed; and as a seed treatment for control of seed- and soil-borne diseases in barley, maize, cotton, rice and wheat; and as a post-harvest treatment in crops such as banana. Formulation types EC; EW; WP;