PAN Pesticides Database - Chemical Toxicity Studies on Aquatic Organisms

Acute Aquatic Ecotoxicity Summaries for Alachlor on All Taxa Groups

Use(s): Herbicide    Chem Class: Chloroacetanilide    U.S. EPA PC Code:090501    CAS Number: 15972-60-8, 15792-50-8
Sorted by Organism Group, Scientific Name and LC50. Species summary toxicity data are derived from the U.S. EPA AQUIRE database.
Records 1 to 29 of 29
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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

American toad Bufo americanus 4,300 883.2 4 Moderately Toxic  
Toad Bufo bufo japonicus 11,667 471.4 6 Slightly Toxic  
Leopard frog Rana pipiens 9,300 4,297 4 Moderately Toxic  

 
Crustaceans

Amphipod Echinogammarus tibaldii 13,000 - 1 Slightly Toxic  
Crayfish Procambarus sp. 19,500 - 1 Slightly Toxic  
Mud crab Rhithropanopeus harrisii 18,600 6,741 5 Slightly Toxic  

 
Fish

Goldfish Carassius auratus 5,000 - 1 Moderately Toxic  
Crucian carp Carassius carassius 158.0 - 1 Highly Toxic  
Cyprinus carpio 5,628 3,906 4 Moderately Toxic  
Western mosquitofish Gambusia affinis 3,748 - 1 Moderately Toxic  
Indian catfish Heteropneustes fossilis 4,260 362.7 4 Moderately Toxic  
Channel catfish Ictalurus punctatus 15,667 7,100 3 Slightly Toxic Outlier 
Bluegill Lepomis macrochirus 6,780 3,037 10 Moderately Toxic  
Cyprinid Leucaspius delineatus 9.18 - 1 Very Highly Toxic  
Rainbow trout,donaldson trout Oncorhynchus mykiss 3,849 3,119 11 Moderately Toxic  
Fathead minnow Pimephales promelas 4,723 1,073 7 Moderately Toxic  
Nile tilapia Tilapia nilotica 589.1 225.7 4 Highly Toxic  
Tilapia Tilapia sp. 3,901 - 1 Moderately Toxic  
Tench Tinca tinca 28.7 - 1 Very Highly Toxic  

 
Insects

Midge Chironomus riparius 17,140 - 1 Slightly Toxic  

 
Molluscs

Mud snail Cipangopaludina malleata 15,000 - 1 Slightly Toxic  
Snail Indoplanorbis exustus 10,000 - 1 Slightly Toxic  
european physa, bladder snail Physella acuta 8,400 - 1 Moderately Toxic  
Marsh snail Semisulcospira libertina 3,800 - 1 Moderately Toxic  

 
Zooplankton

Water flea Ceriodaphnia dubia 11,130 3,230 2 Slightly Toxic  
Water flea Ceriodaphnia sp. 4.68 - 1 Very Highly Toxic  
Water flea Daphnia magna 95,000 - 1 Slightly Toxic  
Scud Gammarus italicus 19,700 - 1 Slightly Toxic  
Harpacticoid copepod Tigriopus japanicus 7,300 - 1 Moderately Toxic  
Records 1 to 29 of 29
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