Cyazofamid 
Action/Use:
- Fungicide
Use:
For control of downy mildew, late blight, and pink rot on cucurbits, potatoes, and tomatoes. Torrent* for control of late blight in potatoes, downey mildew in cucurbits, and cavity spot in carrots.
Identification
Common Name(s): Cyazofamid (ISOPA)
Chemistry
Formula: C13H13CIN4O2S.
Properties: Ivory, odorless powder.
Mode of Action / Resistance Management
Chemical Group: cyanoimidazole
Taget Site: C4: Complex III cytochrome bc1 (ubiquinone reductase) at Qi site
Mode of Action: respiration
Action Group: FRAC Code 21
Comments / Risk Notes: Risk unknown but assumed to be medium to high
Registration
Outside U.S.A.: Registered in Belgium, China, France, Japan, Germany, Mexico, Netherlands, South Korea, Taiwan, UK; EU Annex I. Torrent* in Canada.
Environmental Guidelines
Water Solubility: 0.121 ppm at 20°C (pH 5)
Hazards: Fish: LC50 (96 h) >0.59 mg/l (carp)
Safety Guidelines
Toxicity: (Rat): Oral LD50 >5000 mg/kg; Dermal LD50 >2000 mg/kg
Suppliers and Branded Products
Basic Producers:
Ishihara Sangyo Kaisha, Ltd. (Mildicut*, Ranman*, Ranman Top*, Torrent*)
Formulators' Trade Names:
FMC Corp. (Ranman*, Segway*)
