Primisulfuron-methyl
Action/Use:
- Herbicide
Use:
Postemergence control or suppression of certain problem grasses including johnsongrass, quackgrass, shattercane, sorghum, and many broadleaf weeds in field corn and popcorn. Residual preemergence control of many weeds.
Identification
Common Name(s): Primisulfuron-methyl (BSI, ISO draft)
Chemistry
Class: Sulfonylurea.
Formula: C14H10F4N4O7S.
Properties: Fine, white powder.
Mode of Action / Resistance Management
Chemical Group: sulfonylurea
Mode of Action: inhibition of acetolactate synthase ALS (acetohydoxyacid synthase AHAS)
Action Group: HRAC Group B; WSSA Group 2
Registration
U.S.A.: Marketed since 1990.
Outside U.S.A.: Argentina, Eastern Europe, South Africa.
Environmental Guidelines
Hazards: Fish: LC50 29 mg/l (96 h) (rainbow trout). Bird: Oral LD50 >2150 mg/kg (mallard duck, quail). Bee: Nontoxic; LD50 >100 µg/bee (contact)
Water Solubility: 390 mg/l (pH 7)
Safety Guidelines
Signal Word: CAUTION
Toxicity Class: III
Toxicity: Tech (Rat): Oral LD50 >5050 mg/kg. Dermal LD50 >2010 mg/kg
Handling/storage Cautions: Avoid contact with skin, eyes and clothing. Do not inhale dust, vapor, or mist. Do not contaminate food or feed. Wash thoroughly after handling. Store in well-ventilated, secure area out of reach of children and domestic animals
Spill Control/cleanup: Control spill at its source and contain to prevent from spreading, contaminating soil, or entering sewage and drainage systems or any body of water. Solid: Sweep up material and place in compatible disposal container. Liquid: Cover entire spill with absorbing material and place in compatible disposal container. Scrub area with hard water detergent. Pick up wash liquid with additional absorbent and place in container. Seal container and arrange for disposition
Product/waste Disposal: Do not reuse product containers. Dispose of product containers, waste containers, and residues according to local, state, and federal health and environmental regulations
Suppliers and Branded Products
Basic Producers:
