Pyridate
Action/Use:
- Herbicide
Use:
Postemergent, contact herbicide that controls annual broadleaf weeds in the two- to four-leaf stage in corn, peanuts.
Identification
Common Name(s): Pyridate (ISO, BSI, WSSA)
Chemistry
Class: Phenylpyridazine.
Formula: C19H23CIN2O2S.
Properties: Tech: Brown oily non-volatile liquid. Melting point 20°-25°C. Readily soluble in most organic solvents.
Mode of Action / Resistance Management
Chemical Group: Phenyl-pyridazine
Mode of Action: Inhibition of photosynthesis at photosystem II
Action Group: HRAC Group C3; WSSA Group 6
Environmental Guidelines
Hazards: Fish: LC50 81 mg/l (96 h) (rainbow trout); 100 mg/l (bluegill). Bird: Oral LD50 1269-1502 mg/kg (bobwhite quail). Bee: Nontoxic
Soil Particle Adsorption: Rapidly degradable
Water Solubility: 1.5 ppm
Safety Guidelines
Signal Word: CAUTION
Toxicity Class: III
Toxicity: (Rat): Oral LD50 4600 mg/kg; Inhalation (4 h) LC50 >4.37 mg/l air. (Rabbit): Dermal LD50 ≥ 2000 mg/kg. Moderately irritating to skin, non-irritating to eyes
Handling/storage: Store in freeze-free, dry area
Spill Control/cleanup: Flammable vapors may be present. Eliminate sources of ignition and ventilate spill area. Use non-sparking clean-up equipment to prevent vapor ignition. Control spill at its source to prevent it from spreading, contaminating soil, or entering sewage and drainage systems or any body of water. Clean up spills immediately. Solid: Sweep up material and place in compatible disposal container. Liquid: Cover entire spill with absorbing material and place into compatible disposal container. Scrub area with hard water detergent. Pick up wash liquid with additional absorbent and place into disposal container. Seal container and arrange for disposition
Suppliers and Branded Products
Basic Producers:
Formulators' Trade Names:
B.V. Industrie- & Handelsonderneming Simonis (Wopro-pyridate*)
Discontinued Names:
Lentagran*
Tough*
