PAN Pesticides Database - Chemical Toxicity Studies on Aquatic Organisms

Acute Aquatic Ecotoxicity Summaries for Leptophos on All Taxa Groups

Use(s): Insecticide    Chem Class: Organophosphorus    U.S. EPA PC Code:525300, 525300    CAS Number: 21609-90-5
Sorted by Organism Group, Scientific Name and LC50. Species summary toxicity data are derived from the U.S. EPA AQUIRE database.
Records 1 to 21 of 21
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Common Name Scientific Name Avg Species LC50 (ug/L) LC50 Std Dev Number of Studies Avg Species Rating Outlier Result for Organism Group?

Amphibians

Toad Bufo vulgaris ssp. formosus 28,400 14,541 5 Slightly Toxic  

 
Crustaceans

Northern Pink Shrimp Penaeus duorarum 1.88 - 1 Very Highly Toxic  
Crayfish Procambarus sp. 7,000 - 2 Moderately Toxic  

 
Fish

Smooth-Breasted Snakefish Channa orientalis 31,753 663.4 16 Slightly Toxic  
Indian Catfish Heteropneustes fossilis 23,528 913.4 4 Slightly Toxic  
Channel Catfish Ictalurus punctatus 650.0 170.0 2 Highly Toxic  
Spot Leiostomus xanthurus 4.06 - 1 Very Highly Toxic  
Bluegill Lepomis macrochirus 7,994 9,343 4 Moderately Toxic  
Largemouth Bass Micropterus salmoides 150.0 - 2 Highly Toxic  
Cutthroat Trout Oncorhynchus clarkii 12.3 8.72 6 Very Highly Toxic  
Rainbow Trout Oncorhynchus mykiss 37.7 17.8 19 Very Highly Toxic  
Japanese Medaka Oryzias latipes 96,833 61,047 6 Slightly Toxic Outlier 
Yellow Perch Perca flavescens 1,656 1,305 29 Moderately Toxic  
Fathead Minnow Pimephales promelas 30,000 - 2 Slightly Toxic  
Brown Trout Salmo trutta 13.8 6.20 2 Very Highly Toxic  
Lake Trout, Siscowet Salvelinus namaycush 971.5 928.5 2 Highly Toxic  

 
Molluscs

Mud Snail Cipangopaludina malleata 85,000 - 1 Slightly Toxic  
Snail Indoplanorbis exustus 58,000 - 1 Slightly Toxic  
European Physa Physella acuta 54,000 - 1 Slightly Toxic  
Marsh Snail Semisulcospira libertina 31,000 - 1 Slightly Toxic  

 
Zooplankton

Opossum Shrimp Americamysis bahia 3.23 0.07 2 Very Highly Toxic  
Records 1 to 21 of 21
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