Iodosulfuron-methyl-sodium
Action/Use:
- Herbicide
Use:
For use in winter, spring, durum, wheat; rye, triticale. MaisTer* for use on corn (maize). Autumn* and Autumn* Super for use on corn and soybean.
Identification
Common Name(s): Iodosulfuron-methyl-sodium (ISO); ; Iodosulfuron-methyl (ISO); ; Iodosulfuron (ISO)
Chemistry
Class: Sulfonlyurea.
Formula: C14H13IN5NaO6S; C13H12IN5O6S (acid).
Properties: Form: Almost colorless/light beige, crystalline powder. Melting point 152°C. Vapor pressure 6.7 x 10-6 mPa (25°C).
Mode of Action / Resistance Management
Chemical Group: Sulfonylurea
Mode of Action: Inhibits the plant enzyme acetolactate synthase (acetohydroxyacid synthase AHAS)
Action Group: HRAC Group B; WSSA Group 2
Registration
Outside U.S.A.: Chekker*, and Hussar* OF in Australia, France, and Germany.
Environmental Guidelines
Hazards: Fish: LC50 100 mg/l
Water Solubility: 160, 250, and 65,000 ppm at pH 5, 7, and 9 respectively
Safety Guidelines
Toxicity: (Rat): Oral LD50 2678 mg/kg. Dermal LD50 >2000 mg/kg
Handling/storage Cautions: Stable
Suppliers and Branded Products
Basic Producers:
Premix Products:
+ Amidosulfuron
- Chekker* — Bayer CropScience
+ Amidosulfuron+ Propoxycarbazone-sodium
- Caliban Top* — Cheminova A/S
+ Fenoxaprop-P-ethyl
- Hussar* OF — Bayer CropScience
+ Foramsulfuron
- Equip* — Bayer CropScience
- MaisTer* — Bayer CropScience
- Tribute* — Bayer CropScience
+ Mesosulfuron-methyl
- Atlantis* — Bayer CropScience
- Cossack* — Bayer CropScience
+ Propoxycarbazone-sodium
- Caliban Duo* — Cheminova A/S
+ Thiencarbazone-methyl
- Autumn* Super — Bayer CropScience
Discontinued Names:
Neper*
