Asulam

Action/Use:

Herbicide

Use: A carbamate to control actively growing grasses and certain broadleaf weeds. For bananas, cocoa, coffee, coconuts, citrus, sugarcane, Christmas tree plantings, noncrop, ornamentals, turf and reforestation areas.

Identification

Common Name(s): Asulam (ANSI, ISO, BSI, JMAF, WSSA); ; Asulame (ISOF)

Chemistry

Class: Carbamate.

Properties: Colorless crystals, melting point 143�-144�C. Moderately soluble in chlorinated hydrocarbons, petroleum oils, and many hydroxylic solvents.

Mode of Action / Resistance Management

Chemical Group: Carbamate

Mode of Action: Inhibition of DHP (dihydropteroate) synthase

Action Group: HRAC Group I; WSSA Group 18

Registration

Outside U.S.A.: Canada: Asulox* F for wild oat control in flaxseed. Western Europe: For preemergence annual weed control in spinach. Western Europe, Australia: For control of dock (Rumex) in pastures, orchards; bracken in pastures, forestry and noncropland; wild oat and certain broadleaf weeds in oilseed poppy. Japan: Asilan* for annual weed control in mulberry and zoysia turf.

Environmental Guidelines

Hazards: Fish: LC₅₀ potassium salt >5000 mg/l (trout). Bee: Nontoxic

Water Solubility: 20,000 ppm

Safety Guidelines

Signal Word: CAUTION

Toxicity Class: III

Toxicity: Sodium salt (Rat): Oral LD₅₀ >8000 mg/kg. (Rabbit): Dermal LD₅₀ >2000 mg/kg

Handling/storage: Store abovd 20°F. If frozen, warm to 70°F and agitate

Suppliers and Branded Products

Basic Producers:

Agro-Care Chemical Industry Group Limited (Asulcare*)

Bayer CropScience (Asulox*)