Pesticide Details

Pesticide Isazophos methyl
PC Code 295900
CAS Number 42509-83-1
Type of Pesticide Insecticide
Type of Organism Fishes
Common Name Black bullhead
Scientific Name Ictalurus melas
Age 2.0 g
Guideline [72-1] Freshwater Fish Acute-warm and coldwater species with TGAI or TEP (FIFRA 158.490)
Test Type [S] Static system (aquatic)
% AI 93.8%
Study Length 96 hr
Dose Type [LC50] 50% Lethal Concentration in diet or water
Toxicity 185 Parts per Billion
95% Confidence Levels 125 - 284
Probit Slope 2.92
NGL <
NOEL 6.5
Study Date 1976
Review Date 1982
Category S
MRID, ACC, TN Numbers 00105122
Laboratory Ciba Geigy Corporation., Laboratories Switzerland
Reviewer D. McLane
Batch Number 031511QA
Eggs Laid
% Eggs Cracked
% Eggs Viable
% Live Embryos
% Egg Hatch
14 Day Survive
Growth Effect