US EPA
United States Environmental Protection Agency
Ecological Fate and Effects Division
Office of Pesticide Programs
OPP Pesticide Ecotoxicity Database
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Pesticide Details
Pesticide
Methidathion
PC Code
100301
CAS Number
950-37-8
Type of Pesticide
Insecticide
Type of Organism
Mammalia
Common Name
Albino Rat
Scientific Name
Rattus norvegicus
Age
59-75g
Guideline
[N.G.]
Test Type
[D] Administration of the toxicant ad libitum in the diet
% AI
93.8%
Study Length
5D
Dose Type
[LC50] 50% Lethal Concentration in diet or water
Toxicity
4135 Parts Per Million
95% Confidence Levels
3269 - 7971
Probit Slope
3.8
NGL
<
NOEL
1750
Study Date
1981
Review Date
1981
Category
S
MRID, ACC, TN Numbers
TNM 108
Laboratory
Agricultural Research Center, USDA, Beltsville, MD.
Reviewer
W. Teeters
Batch Number
063005
Eggs Laid
% Eggs Cracked
% Eggs Viable
% Live Embryos
% Egg Hatch
14 Day Survive
Growth Effect