Prohexadione calcium
CAS NO.: 127277-53-6
EINECS: 603-193-5
Formulation: 10-30%WP, 10-30%WDG, 85%TC
Chemical name: Calcium 3-oxido-oxo-4-propionylcyclohexanecarboxylate
Chemical Formula: C20H22O10Ca
Molecular Weight: 462.46
Physical and chemical properties
Light yellow crystalline powder, melting point﹥360℃,vapor pressure 1.33×10-3 pa(20℃), it is stability in light, heat, water solution and alkaline conditions.
Function Characteristics
1, Inhibit the growth of internodes, improve lodging-resistance;
2, Protect gibberellins’ activity and prevent presenility of crops;
3, Efficient, safety, non-toxicity and residue free.
Application
Prohexadione calcium cannot dissolve in water and most organic solvent, it have
other formula like WP, WDG, troche and so on. Prohexadione calcium works through
leaf treatment, so foliage spray is the frequently way to use. The dosage is different
with different crops.
Toxicity
Acute toxicity
LD50 Oral-rat-﹥5,000mg/kg
LD50 Dermal-rat-﹥2,000mg/kg
Skin corrosion/irritation
Skin-rabbit- No skin irritation
Serious eye damage/eye irritation
Eyes-rabbit-Mild eye irritation