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
2,4-D 2-EHE
PC Code
030063
CAS Number
1928-43-4
Type of Pesticide
Herbicide
Type of Organism
Terrestrial Plant
Common Name
Onion
Scientific Name
Allium cepa
Age
Seedlg
Guideline
[123-1a]
Test Type
[SEsw]
% AI
91.53%
Study Length
14 D
Dose Type
[EC25] 25% Effect Concentration (plant studies)
Toxicity
0.329 Equivalent concentration lbs ai/Acre
95% Confidence Levels
N.R.
Probit Slope
N.R.
NGL
NOEL
0.023
Study Date
1995
Review Date
2001
Category
C
MRID, ACC, TN Numbers
43526901
Laboratory
Ricera Inc. Ohio
Reviewer
S. Ramasamy
Batch Number
Eggs Laid
% Eggs Cracked
% Eggs Viable
% Live Embryos
% Egg Hatch
14 Day Survive
Growth Effect