PAN Pesticides Database - Chemical Toxicity Studies on Aquatic Organisms |
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| Home > Chemical Search > Malathion Information |
Acute Aquatic Ecotoxicity Summaries for Malathion on Amphibians |
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Use(s): Insecticide
Chem Class: Organophosphorus
U.S. EPA PC Code:057701, 857701
CAS Number: 121-75-5 Sorted by Organism Group, Scientific Name and LC50. Species summary toxicity data are derived from the
U.S. EPA AQUIRE database.
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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? |
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Amphibians | ||||||
| Frog and toad order | Anura | 5,000 | - | 1 | Moderately Toxic | |
| American toad | Bufo americanus | 5,900 | - | 1 | Moderately Toxic | |
| Toad | Bufo arenarum | 19,200 | - | 1 | Slightly Toxic | |
| Woodhouse's Toad | Bufo woodhousei | 420.0 | - | 1 | Highly Toxic | |
| Fowler's toad | Bufo woodhousei fowleri | 940.0 | 679.6 | 3 | Highly Toxic | |
| Gray tree frog | Hyla versicolor | 4,130 | - | 1 | Moderately Toxic | |
| Striped, Northern chorus frog | Pseudacris triseriata | 320.0 | 169.7 | 3 | Highly Toxic | |
| Western chorus frog | Pseudacris triseriata triseria | 320.0 | - | 1 | Highly Toxic | |
| Bullfrog | Rana catesbeiana | 1,500 | - | 1 | Moderately Toxic | |
| Green frog | Rana clamitans | 3,650 | - | 1 | Moderately Toxic | |
| Frog | Rana hexadactyla | 1.24 | 1.15 | 5 | Very Highly Toxic | |
| Bog frog | Rana limnocharis | 2,271 | - | 1 | Moderately Toxic | |
| Leopard frog | Rana pipiens | 2,400 | - | 1 | Moderately Toxic | |
| Lowland frog | Rana ridibunda | 38,000 | - | 1 | Slightly Toxic | Outlier |
| Wood frog | Rana sylvatica | 1,250 | - | 1 | Moderately Toxic | |
| Tiger frog, indian bullfrog | Rana tigrina | 170.0 | - | 1 | Highly Toxic | |
| Clawed toad | Xenopus laevis | 10,900 | - | 1 | Slightly Toxic | |
| Records 1 to 17 of 17 | |||
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