Chlorthal-dimethyl
Action/Use:
- Herbicide
Use:
Preemergence for crabgrass, fall panicum, foxtail, lovegrass, and other annual grasses; broadleaf weeds such as black nightshade, burning nettle, carpetweed, common chickweed, dodder, field pansy, lambsquarters, prostrate knotweed, purslane, redroot pigweed, sandbur, spurge. For use on beans, cole crops, collards, cotton, cucumbers, eggplant, garlic, horseradish, kale, melons (seeded), mustard greens, onions, peppers, potatoes, radish, squash, strawberries, sweet potatoes, tomatoes, turnips, and turf and ornamentals.
Identification
Common Name(s): Chlorthal-dimethyl (ISO, BSI); ; DCPA (WSSA); ; TCTP (JMAF)
Chemistry
Properties: Solid. Off-white to gray powder; slight aromatic odor. Melting range 156°C. Vapor pressure 0.21 mPa (2.5 x 10-6 torr) at 25°C.
Mode of Action / Resistance Management
Chemical Group: Benzoic acid
Mode of Action: Microtubule assembly inhibition
Action Group: HRAC Group K1; WSSA Group 3
Environmental Guidelines
Hazards: Fish: Mildly toxic; Bee: Slightly toxic
Water Solubility: Approx. 0.5 mg/l at 25° C
Safety Guidelines
Signal Word: CAUTION
Toxicity Class: III
Toxicity: (Rat): Oral LD50 >10,000 mg/kg. Inhalation LC50 >5.7 mg/l (4 h). (Rabbit): Dermal LD50 >10,000 mg/kg. Moderately irritating to eye; non-irritating to skin
Protective Clothing: Long-sleeved shirt and long pants. Waterproof gloves.
Suppliers and Branded Products
Discontinued Names:
Penphene*
