US EPA
United States Environmental Protection Agency
Ecological Fate and Effects Division
Office of Pesticide Programs
OPP Pesticide Ecotoxicity Database
Caution Statement
Database Guidance
Contact
Download
Search Toxicity Database
Login
Pesticide Details
Pesticide
Methyl parathion
PC Code
053501
CAS Number
298-00-0
Type of Pesticide
Insecticide
Type of Organism
Mammalia
Common Name
Albino Rat
Scientific Name
Rattus norvegicus
Age
Adult
Guideline
[N.G.]
Test Type
[D] Administration of the toxicant ad libitum in the diet
% AI
99%
Study Length
5D
Dose Type
[LC50] 50% Lethal Concentration in diet or water
Toxicity
110 Parts Per Million
95% Confidence Levels
85.4-195.8
Probit Slope
3.69
NGL
NOEL
37
Study Date
1979
Review Date
1979
Category
S
MRID, ACC, TN Numbers
TNM 003
Laboratory
Agricultural Research Center, USDA, Beltsville, MD.
Reviewer
J. McCann
Batch Number
063005
Eggs Laid
% Eggs Cracked
% Eggs Viable
% Live Embryos
% Egg Hatch
14 Day Survive
Growth Effect