Bensulide
Action/Use:
- Herbicide
Use:
A selective compound applied preemergence. It must be applied to soil before weeds emerge. Betasan* for dichondra and grass lawns including seasonal control of crabgrass and annual bluegrasss. Prefar* for carrots, cole crops, cucurbits, vegetables (leafy, dry bulb, fruiting).
Identification
Common Name(s): Bensulide (ISO, BSI, WSSA); ; SAP (JMAF)
Chemistry
Properties: Melting point 34.4°C. Vapor point <0.133 mPa (20°C).
Mode of Action / Resistance Management
Chemical Group: Phosphorodithioate
Mode of Action: Inhibition of lipid synthesis — not ACCase inhibition
Action Group: HRAC Group N; WSSA Group 8
Environmental Guidelines
Hazards: Fish: LC50 (96 h) 1-2 mg/l (goldfish)
Water Solubility: 25 ppm
Safety Guidelines
Signal Word: CAUTION
Toxicity Class: III
Toxicity: (Rat): Oral LD50 770 mg/kg; Inhalation LC50 (4 h) 1.75 mg/l.
Handling/storage Cautions: Store above 42°F depending on emulsifiable formulation. Do not store or use near heat or flame. Warm and agitate until crystals dissolve, or do not use
Suppliers and Branded Products
Basic Producers:
Gowan Company (Betasan*, Prefar*)
Formulators' Trade Names:
PBI/Gordon Corp. (Bensumec*, Pre-San*)
Discontinued Names:
Betamec*
Disan*
