Paclobutrazol
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Common name: Paclobutrazol
Chemical name:
(2RS,3RS)-1-(4-chlorophenyl)-4,4-dimethyl-2-(1H-1,2,4-triazol-1-yl)pentan-3-ol
- Description
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Physical and chemical properties:
Pure product is white crystalline solid,m.p.165-166℃.Solubility in water is 26 mg/l(20℃),in acetone
110, cyclohexanone 180,dichloromethane 100,hexane10,xylene 60,methanol 150, propylene glycol
50( all in g/l, 20℃).stable for more than 2 years at 20℃, and more than 6 months at 50℃.
Toxicity:Acute oral LD50 for male rats is 2000mg/kg.Acute dermal LD50 for rats>1000 mg/kg.mild
skin irritant, moderate eye irritant(rabbits).
Formulation and specification:
Item |
Tech |
25 SC |
Paclobutrazol content ,%(m/m) |
95.0 min |
25.0 min |
Moisture ,%(m/m) |
0.3 max |
0.5 max |
Acidity(as H2SO4), %(m/m) |
0.3 max |
0.3 max |
Emulsion stability |
|
Qualified |
Uses:used on fruit trees to inhibit vegetative growth and to improve fruit set;on pot-grown
ornamentals and flower crops to inhibit growth; on rice to increase tillering, reduce lodging, and
increase yield; on turf to retard growth; and on grass seed crops to reduce height and prevent
lodging.