TEBUCONAZOLE (
97TC,95TC,80WP,25EC )
COMMON NAME: Tebuconazole
CHEMICAL NAME: (RS)-1-p-chlorophenyl-4, 4-dimethyl-3- (1H-1, 2,4-triazol-1-ylmethyl) pentan-3-ol
STUCTURE FORMULA:
PHYSICAL AND CHEMICAL PROPERTIES:
Composition Racemate. Mol. wt. 307.8 M.f . C16H22ClN3O Form Colourless crystals; (tech., colourless to light brown powder). M.p. 105 ºC V.p. 1.7 ´ 10 -3 mPa (20 ºC) (OECD 104) K OW logP = 3.7 (20 °C) Henry 1 ´ 10 -5 Pa m 3 mol -1 (20 °C) S.g./density 1.25 (26 °C) Solubility In water 36 mg/l (pH 5-9, 20 ºC). In dichloromethane >200, isopropanol, toluene 50-100, hexane <0.1 (all in g/l, 20 ºC). Stability Stable to elevated temperatures, and to photolysis and hydrolysis in pure water, under sterile conditions; hydrolysis DT 50 >1 y (pH 4-9, 22 °C). See also Environmental Fate.
TOXICOLOGY : Oral Acute oral LD 50 for male rats 4000, female rats 1700, mice c. 3000 mg/kg. Skin and eye Acute percutaneous LD 50 for rats >5000 mg/kg. Non-irritating to skin; mild irritant to eyes (rabbits). Inhalation LC 50 (4 h) for rats 0.37 mg/l air (aerosol), >5.1 mg/l (dust). NOEL (2 y) for rats 300, dogs 100, mice 20 mg/kg diet. ADI (JMPR) 0.03 mg/kg b.w. [1994]. Toxicity class WHO (a.i.) III; EPA (formulation) II (‘Elite' 45DF); III (‘Folicur' 3.6F)
SPECIFICATIONS:
1. Technical
Items |
97%Tech |
Appearance |
White powder |
Content, w/w |
97.0%min |
Water, w/w |
1.0%max |
Acidity (calculated as H2SO4), w/w |
0.5%max |
Material insoluble in acetone, w/w |
0.5%max |
2.Emulsifiable concentrates
Items |
25%EC |
Appearance |
Light brown transparent liquid |
Active content/v |
25%min |
Water, w/v |
1.0%min |
Acidity (calculated as H2SO4), w/v |
0.5%max |
PACKING:
1?Tech:25KG,40KG in cardboard drum,
2?EC:250ml, 500ml and 1L packed in plastic bottle, 200L packed in plastic drum; or on the clients' requirements
USES : As a seed treatment against smuts and bunts of cereals; foliar spray against Erysiphe,Puccinia,Septoria,Pyrenophora,Rhynchosporium, and other diseases of cereal;Mycosphaerella,Puccinia,Rhizoctonia,and Sclerotium on peanuts;Phoma,Pyrenopeziza,Sclerotinia,Alternaria,and mycosphaerella on oilseed rape;Botrytis,guignadia,and uncinula on grapes;sigatika on bananas; Monilia on stone fruit;Ventuia and podosphaera on pome fruit.
CROP |
DISEASE CONTROLLED |
DOSAGE |
APPLICATION METHOD |
WHEAT |
powdery mildew, rust , wheat scab |
200 ~ 350g Al/ha |
SPRAY |
APPLE TREE |
|
60 ~ 86ppm |
SPRAY |
PEAR TREE |
Black rot |
18 ~ 143ppm |
SPRAY |
PEANUT |
Brown spot |
125g Ai/ha |
SPRAY |
WHEAT, BARLEY |
Smuts |
20 ~ 30g Ai/t (seed treatment) |
SEED TREATMENT |
MAIZE |
Smuts |
60 ~ 100g Ai/t(seed treatment) |
SEED TREATMENT |
|