Thiometon
Action/Use:
- Insecticide
Use:
For aphids, psyllids, sawflies, jassids, thrips, and mites (not organophosphoric-resistant).
Identification
Common Name(s): Thiometon (ISO, BSI, JMAF); ; Dithiométon (ISOF); ; M-81 (USSR)
Chemistry
Class: Organophosphate.
Formula: C6H1502PS3.
Properties: Colorless oil with a characteristic odor. Boiling point 110°C at 0.1 mm Hg. At 20°C: Vapor pressure 23 mPa, specific gravity 1.209. Readily soluble in common organic solvents; slightly soluble in petroleum ether and mineral oils. Unstable in pure form; stable in non-polar solvents. Easily hydrolyzed in aqueous solution at 25°C, 50% loss in 25 days at pH 3, 27 days at pH 6, 17 days at pH 9.
Mode of Action / Resistance Management
Chemical Group: Organophosphate
Mode of Action: Acetylcholine esterase inhibitor
Action Group: IRAC Group 1
Registration
U.S.A.: Not registered.
Environmental Guidelines
Water Solubility: 200 mg/l at 25°C
Hazards: Fish: LC50 (96 h) 13.2 mg/l (carp), 8 mg/l (rainbow trout). Bird: Oral LD50 (14 day) 95 mg/l (mallard duck). Bee: Toxic, LD50 0.56 µg/bee
Safety Guidelines
Signal Word: WARNING
Toxicity Class: II
Toxicity: (Rat): Oral LD50 120-130 mg/kg; Dermal LD50 >1000 mg/kg; In 2-year feeding trials NOEL 2.5 mg/kg diet
Handling/storage Cautions: Store in original container in a locked area away from children, food, feed
Suppliers and Branded Products
Discontinued Names:
Ethimeton*
Luxistelm*
Mavrik Systo*
Serk*
Thiotox*
