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Data Collection

Methyl bromide

CAS Number: 74-83-9

Basic Information

The chemical structure of Methyl bromide Synonym(s): Metafume; Brom-O-Gas; Brom-O-Gaz; Brom-O-Sol; bromomethane; Bromomethane ; Celfume; Curafume; Dowfume; Dowfume mc-2; Dowfume mc-33; EDCO; Embafume; Halon 1001; Haltox; Iscobrome; Kayafume
Formula: CH₃Br
Molecular Weight: 94.9387
Boiling Point (°C): 3.56
Melting Point (°C): -93.7
Contaminant Type: Methyl bromide is a contaminant with other or multiple types of use.
Notes: It is a fumigant. Colorless liquid or gas with a chloroform-like odor at high concentration

Solubility (in water)

Solubility: 1.75 g/100g ^g
Temperature (°C): 20

Solubility: 900 mg/l ^e
Temperature (°C): 20

Half-Life (in soil unless otherwise noted)

t1/2: 1-4 weeks ^f
Notes: Scientific judgement based upon unacclimated aqueous aerobic biodegradation half-life

Toxicity Effects

Organism Type: Fish ^e
Common Name: Bluegill
Scientific Name: Lepomis macrochirus
Toxicity: 11 mg/l
Test: 96h LC50,S
Temperature (°C): 23

Organism Type: Fish ^e
Common Name: Inland silverside, tidewater silverside
Scientific Name: Menidia beryllina
Toxicity: 12 mg/l
Test: 96h LC50,S
Temperature (°C): 23

Organism Type: Mammals ^g
Common Name: Rat
Scientific Name: Muridae (Family)
Toxicity: 100 mg/kg
Test: LD50

Resource Map: Click below to open in a new window to view or print.
Potential applications of this contaminant in the St. Johns Water River Management District

Work Cited

e	Verschueren, K. 1996. Handbook of Environmental Data on Organic Chemicals, 3rd edition. John Wiley & Sons, Inc., New York.
f	Howard, P. H., R. S. Boethling, W. F. Jarvis, W. M. Meylan, and E. M. Michalenko. 1991. Handbook of Environmental Degradation Rates. Lewis Publishers., Chelsea, MI.
g	Meister, R. T., and C. Sine (Ed). 2003. Crop Protection Handbook, volume 89. Meister Publishing Company, Willoughby, OH.