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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

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