Methyl bromide (restricted-use herbicide)

Trade name(s) MBC-33, Terr-O-Gas

Manufacturer(s) Great Lakes Chemical Co.

Formulation(s) Liquid under pressure, methyl bromide 98%, chloropicrin 2% (to give offensive odor).

Remarks Temporary soil fumigant as a preplant treatment. Controls weeds, most weed seeds, certain microorganisms, and nematodes. Applied on plant beds under a gas-proof cover. Acts within 48 hours. Use extreme caution in handling this material.

Water solubility 530 ppm

Storage conditions Store away from heat or flame since contents are pressurized.

Acute toxicity LD50 - 1 mg/kg with upper safe limit at 17 ppm in air.

Action in plant Kills living tissue.

Site of action Unknown

Chemical family Halogenated aliphatic