PAN Pesticides Database - Chemical Toxicity Studies on Aquatic Organisms

Acute Aquatic Ecotoxicity Summaries for 2,4-D on All Taxa Groups

Use(s): Herbicide, Plant Growth Regulator    Chem Class: Chlorophenoxy acid, salt, or ester    U.S. EPA PC Code:030001, 030001    CAS Number: 94-75-7
Sorted by Organism Group, Scientific Name and LC50. Species summary toxicity data are derived from the U.S. EPA AQUIRE database.
Records 1 to 50 of 67
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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

Asian Common Toad Duttaphrynus melanostictus 10,283 2,498 3 Slightly Toxic  
Leopard Frog Lithobates pipiens 1,071,500 890,500 2 Not Acutely Toxic  
African Clawed Frog Xenopus laevis 262,000 8,000 2 Not Acutely Toxic  

 
Annelida

Oligochaete, Worm Lumbriculus variegatus 122,200 - 2 Not Acutely Toxic  

 
Crustaceans

Crayfish Astacus leptodactylus 32,600 - 1 Slightly Toxic  
Dungeness Or Edible Crab Cancer magister 55,000 45,000 2 Slightly Toxic  
Northern Pink Shrimp Penaeus duorarum 467,000 - 1 Not Acutely Toxic  

 
Fish

Climbing Perch Anabas testudineus 1,407,500 145,280 4 Not Acutely Toxic  
American Eel Anguilla rostrata 372,667 53,150 3 Not Acutely Toxic  
Two-Spot Or Tic Tac Toe Barb Barbus ticto 1,600 - 1 Moderately Toxic  
Goldfish Carassius auratus 160,050 34,664 4 Not Acutely Toxic  
Snake-Head Catfish Channa punctata 1,138,900 542,716 5 Not Acutely Toxic  
Carp, Hawk Fish Cirrhinus mrigala 1,035,000 171,574 4 Not Acutely Toxic  
Walking Catfish Clarias batrachus 1,017,833 695,492 6 Not Acutely Toxic  
Common Carp Cyprinus carpio 58,271 59,553 27 Slightly Toxic  
Zebra Danio Danio rerio 116,147 45,456 8 Not Acutely Toxic  
Flying Barb Esomus danricus 1,340,000 138,969 4 Not Acutely Toxic  
Banded Killifish Fundulus diaphanus 198,000 122,519 3 Not Acutely Toxic  
Catla Gibelion catla 1,036,250 141,835 4 Not Acutely Toxic  
Indian Catfish Heteropneustes fossilis 1,242,200 620,831 5 Not Acutely Toxic  
Fish Labeo boga 4,767 1,367 3 Moderately Toxic  
Rohu Labeo rohita 1,000,486 88,555 5 Not Acutely Toxic  
Pumpkinseed Lepomis gibbosus 110,967 11,594 3 Not Acutely Toxic  
Bluegill Lepomis macrochirus 197,500 114,624 8 Not Acutely Toxic  
Inland Silverside Menidia beryllina 175,000 - 1 Not Acutely Toxic  
Largemouth Bass Micropterus salmoides 129,075 35,330 4 Not Acutely Toxic  
White Perch Morone americana 47,900 6,331 3 Slightly Toxic  
Striped Bass Morone saxatilis 75,300 7,283 3 Slightly Toxic  
Striped Catfish Mystus vittatus 1,432,500 157,421 4 Not Acutely Toxic  
Killifish Nothobranchius guentheri 90,000 - 1 Slightly Toxic  
Cutthroat Trout Oncorhynchus clarkii 69,239 46,764 23 Slightly Toxic  
Rainbow Trout Oncorhynchus mykiss 806,124 1,386,253 16 Not Acutely Toxic  
Mozambique Tilapia Oreochromis mossambicus 1,318,750 133,481 4 Not Acutely Toxic  
Nile Tilapia Oreochromis niloticus 38,381 36,190 3 Slightly Toxic  
Japanese Medaka Oryzias latipes 1,445,000 1,335,000 2 Not Acutely Toxic  
Fathead Minnow Pimephales promelas 267,857 79,135 7 Not Acutely Toxic  
Guppy Poecilia reticulata 42,797 33,546 6 Slightly Toxic  
Slender Rasbora Rasbora daniconius 2,250,000 250,000 2 Not Acutely Toxic  
Harlequinfish, Red Rasbora Rasbora heteromorpha 4,683,334 1,674,482 3 Not Acutely Toxic Outlier 
Cyprinid Fish Rasbora neilgherriensis 6,733 899.4 3 Moderately Toxic  
Lake Trout, Siscowet Salvelinus namaycush 77,575 27,523 12 Slightly Toxic  
Tench Tinca tinca 800,000 - 1 Not Acutely Toxic  
Wallago Wallago attu 1,460,000 146,116 4 Not Acutely Toxic  
Oikawa Zacco platypus 140,000 - 1 Not Acutely Toxic  

 
Insects

Midge Chironomus sp. 11,366 5,867 5 Slightly Toxic  
House Mosquito Culex pipiens ssp. fatigans 302,000 - 1 Not Acutely Toxic  
Mosquito Culex tritaeniorhynchus 91,800 - 1 Slightly Toxic  

 
MarineBenthicCommunity

Gammarid Amphipod Ampelisca araucana 91.2 - 1 Very Highly Toxic  

 
Molluscs

Lamp-Mussel Lampsilis siliquoidea 362,200 - 1 Not Acutely Toxic  
Washboard Mussel Megalonaias nervosa 247,900 - 1 Not Acutely Toxic  
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