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Crop Protection Database

Forchlorfenuron

Action/Use:
  • Plant Growth Regulator
Use: Used to increase the size of kiwi fruit and table grapes.
Identification
Common Name(s): Forchlorfenuron (ANSI, BSI, draft E-ISO)
Chemistry
Class: Phenylurea.
Formula: C12H10CIN3O.
Properties: White to off-white crystalline powder. Melting point 165°-170°C. Vapor pressure 4.6 x 10-5 mPa (25°C, gas saturation). Stable to heat, light, water.
Forchlorfenuron
Environmental Guidelines
Hazards: Fish: LC50 (96 h) 9.2 mg/l (rainbow trout); LC50 (48 h) 8 mg/l (Daphnia). Bird: Oral LD50 >2250 mg/kg, LC50 (5 d) >5600 ppm (bobwhite quail)
Water Solubility: 39 mg/l at 21°C (pH 6.4)
Safety Guidelines
Toxicity: (Rat): Oral LD50 4918 mg/kg; Inhalation LC50 (4 h) no mortality in saturated atmosphere. (Rabbit): Dermal LD50 >2000 mg/kg
Discontinued Names:
Prestige*