Warfarin
Action/Use:
- Rodenticide
Use:
Anticoagulant. Odorless, tasteless, and effective in very low dosages. Action is not rapid; usually about a week is required before a marked reduction in the rodent population is effected. Rodents do not tend to become bait shy after once tasting warfarin; they continue to consume it until its anti-clotting properties have produced death through internal hemorrhaging.
Identification
Common Name(s): Warfarin (BSI, ISOE, BAN); ; Warfarine (ISOF); ; Coumafène (France); ; Zoocoumarin (Netherlands, USSR)
Chemistry
Properties: White, odorless powder. Melting point 159°-165°C. Moderately soluble in alcohol.
Environmental Guidelines
Hazards: Bee: Nontoxic
Water Solubility: Essentially insoluble except water soluble sodium salt is formed in alkaline solution
Safety Guidelines
Toxicity: (Rat): Oral LD50 3 mg/kg. Warfarin (NIOSH) TLV 0.1 mg M3. No development of ingestion tolerance regardless of rodent sex, age
Handling/storage Cautions: Keep away from children and animals. Do not store near feed and food. Avoid contact with mouth, eyes, skin. Store away from heat and open flame
Suppliers and Branded Products
Basic Producers:
HACCO, Inc. A Neogen Co. (Cov-R-Tox*, Rodex*, Rodex Blox*)
Formulators' Trade Names:
Polsas Chemicals and Machinery Co. (Ramorin 2*)
B.V. Industrie- & Handelsonderneming Simonis (Woprodenticide*)
Discontinued Names:
Contrax-W*
Co-Rax*
Dicusat E*
Final*
Place-Pax*
Prolin*
Rax*
Tox-Hid*
Warfarin Plus*
Warfarin Q*
Warfotox*
