Mol. wt. 293.8 M.f. C15H20ClN3O Form White, crystalline solid. M.p. 165-166 ºC V.p. 0.001 mPa (20 ºC) KOW logP = 3.2 Henry 1.13 ´ 10-5 Pa m3 mol-1 (calc.) S.g./density 1.22 g/ml Solubility In water 26 mg/l (20 ºC). In acetone 110, cyclohexanone 180, dichloromethane 100, hexane 10, xylene 60, methanol 150, propylene glycol 50 (all in g/l, 20 ºC). Stability Stable for more than 2 years at 20 ºC, and more than 6 months at 50 ºC. Stable to hydrolysis (pH 4-9), and not degraded by u.v. light (pH 7, 10 days).
Mode of Action:
Plant growth regulator taken up into the xylem through the leaves, stems, or roots, and translocated to growing sub-apical meristems. Produces more compact plants and enhances flowering and fruiting.
Oral Acute oral LD50 for male rats 2000, female rats 1300, male mice 490, female mice 1200, guinea pigs 400-600, male rabbits 840, female rabbits 940 mg/kg.
Skin and eye Acute percutaneous LD50 for rats and rabbits >1000 mg/kg. Mild skin irritant; moderate eye irritant (rabbits). Not a skin sensitiser (guinea pigs).
Inhalation LC50 (4 h) for male rats 4.79, female rats 3.13 mg/l air.
Product name: Paclotutrazol 95%Tech
Kind of white powder evenly
Content of a.i.
Dry reduction (%)
Acetone insolubles (%)
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