Structure Formula: 
Common Name: Tebuconazole (BSI, draft E-ISO)
CAS No.: 107534-96-3
CAS Name: α-[2-(4-chlorophenyl)ethyl]-α-(1,1-dimethylethyl)-1H-1,2,4-triazole-1-ethanol
Molecular Formula: C16H22ClN3O
Agrochemical Type: Fungicide, triazole
Mode of Action: Systemic fungicide with protective, curative, and eradicant action. Rapidly absorbed into the vegetative parts of the plant, with translocation principally acropetally.
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Specification for Tebuconazole 96% TC
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ITEMS
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STANDARDS
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Appearance
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White to light yellow powder
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Content of a.i.
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≥96%
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Acetone insolubles
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≤0.2%
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Water
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≤0.5%
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pH
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6.0~9.0
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Specification for Tebuconazole 25% EC
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ITEMS
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STANDARDS
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Appearance
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Homogeneous liquid
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Content of a.i.
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≥25%
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Water
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≤1.0%
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pH
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6.0~9.0
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Emulsion stability (as 0.5% aqueous solution)
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Qualified
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Stability at 0℃
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The volume of solid and/or liquid which separates shall not be more than 0.3 ml.
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Specification for Tebuconazole 25% EW
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ITEMS
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STANDARDS
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Appearance
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Homogeneous liquid
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Content of a.i.
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≥25%
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Persistent foam(1min)
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≤25ml
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pH
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4.5~8.0
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Pourability, pouring residue
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≤3.0%
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Pourability, washing residue
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≤0.5%
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Emulsion stability (as 0.5% aqueous solution)
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Qualified
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Stability at 0℃
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The volume of solid and/or liquid which separates shall not be more than 0.3 ml
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Specification for Tebuconazole 6% FS
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ITEMS
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STANDARDS
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Appearance
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Flowablesuspension liquid
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Content of a.i.
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≥250g/L
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Suspensibility
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≥70%
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pH
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4.5~8.0
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Wet sieve (through 75μm sieve)
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≥98%
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Packing: net 25kg in bag or drum or according to client’s requirement.
As a seed dressing, tebuconazole is effective against various smut and bunt diseases of cereals such as Tilletia spp., Ustilago spp., and Urocystis spp., also against Septoria nodorum (seed-borne), at 1-3 g/dt seed; and Sphacelotheca reiliana in maize, at 7.5 g/dt seed. As a spray, tebuconazole controls numerous pathogens in various crops including: rust species (Puccinia spp.) at 125-250 g/ha, powdery mildew (Erysiphe graminis) at 200-250 g/ha, scald (Rhynchosporium secalis) at 200-312 g/ha, Septoria spp. at 200-250 g/ha, Pyrenophora spp. at 200-312 g/ha, Cochliobolus sativus at 150-200 g/ha, and head scab (Fusarium spp.) at 188-250 g/ha, in cereals; leaf spots (Mycosphaerella spp.) at 125-250 g/ha, leaf rust (Puccinia arachidis) at 125 g/ha, and Sclerotium rolfsii at 200-250 g/ha, in peanuts; black leaf streak (Mycosphaerella fijiensis) at 100 g/ha, in bananas; stem rot (Sclerotinia sclerotiorum) at 250-375 g/ha, Alternaria spp. at 150-250 g/ha, stem canker (Leptosphaeria maculans) at 250 g/ha, and Pyrenopeziza brassicae at 125-250 g/ha, in oilseed rape; blister blight (Exobasidium vexans) at 25 g/ha, in tea; Phakopsora pachyrhizi at 100-150 g/ha, in soya beans; Monilinia spp. at 12.5-18.8 g/100 l, powdery mildew (Podosphaera leucotricha) at 10.0-12.5 g/100 l, Sphaerotheca pannosa at 12.5-18.8 g/100 l, scab (Venturia spp.) at 7.5-10.0 g/100 l, white rot in apples (Botryosphaeria dothidea) at 25 g/100 l, in pome and stone fruit; powdery mildew (Uncinula necator) at 100 g/ha, in grapevines; rust (Hemileia vastatrix) at 125-250 g/ha, berry spot disease (Cercospora coffeicola) at 188-250 g/ha, and American leaf disease (Mycena citricolor) at 125-188 g/ha, in coffee; white rot (Sclerotium cepivorum) at 250-375 g/ha, and purple blotch (Alternaria porri) at 125-250 g/ha, in bulb vegetables; leaf spot (Phaeoisariopsis griseola) at 250 g/ha, in beans; early blight (Alternaria solani) at 150-200 g/ha, in tomatoes and potatoes.
