Chlorotoluron
Action/Use:
- Herbicide
Use:
Control of annual grasses and broadleaf weeds in winter barley and winter wheat.
Identification
Common Name(s): Chlorotoluron (ISO, BSI); ; Chlortoluron (old BSI)
Chemistry
Properties: Colorless, odorless crystals. Melting point 147-148°C. Solubility: At 20° C in acetone 5% w/v; benzene 2.4% w/v; methylene chloride 4.3% w/v.
Mode of Action / Resistance Management
Chemical Group: Urea
Mode of Action: Inhibition of photosynthesis at photosystem II
Action Group: HRAC Group C2; WSSA Group 7
Registration
U.S.A.: Not marketed.
Outside U.S.A.: Clortan*, Clorter Extra* in Spain. Alert*.
Environmental Guidelines
Hazards: Fish: LC50 35 (rainbow trout); >100 mg/l (carp). Bird: Low toxicity. Bee: Nontoxic
Water Solubility: 70 ppm at 20°C
Safety Guidelines
Signal Word: CAUTION (Echo*500)
Toxicity Class: III
Toxicity: (Rat): Oral LD50 >10,000 mg/kg. Dermal LD50 >2000 mg/kg
Handling/storage: Avoid contact with skin, eyes, clothing. Keep out of reach of children, unauthorized persons, and domestic animals
Suppliers and Branded Products
Basic Producers:
Crystal Chemical Inter-America (Alert*)
Makhteshim Agan Group (Shvat*, Tolugan*, Tolurex*)
Syngenta (Dicuran*)
Formulators' Trade Names:
Agriphar S.A. (Chlortophyt*)
Probelte S.A. (Tomcat*)
TRAGUSA (Tratamientos Guadalquivir S.L.) (Glutol*)
Premix Products:
+ Bifenox
- Athlet* — Makhteshim Agan Group
+ Diflufenican
- Constel* — Makhteshim Agan Group
- Constel*
- Gloster* — Makhteshim Agan Group
- Legacy* Plus — Makhteshim Agan Group
+ Isoproturon
- Tolugan* Extra — Makhteshim Agan Group
+ Terbutryn
- Clorter Extra*
Discontinued Names:
Clortobas*
Lu Mai Long*
Tolurane*
