Ecological Assessment of Storm Impacts

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Data Collection

Resmethrin

CAS Number: 10453-86-8

Basic Information

The chemical structure of Resmethrin Synonym(s): 5-Benzylfurfuryl chrysanthemate; Benzofuroline; Bioresmethrin (D-trans isomer); Chryson; Chrysron; Cyclopropanecarboxylic acid, 2,2-dimethyl-3-(2-methylpropenyl)-, (5-benzyl-3-furyl)methyl ester
Formula: C22H26O3
 Molecular Weight: 338.446
 Melting Point (°C): 56.5
 Contaminant Type: Resmethrin is an insecticide.
Notes: Waxy white to tan solid

Half-Life (in soil unless otherwise noted)

  • t1/2: 30 days a

Toxicity Effects

  • Organism Type: Fish e
    Common Name: Steelhead trout
     Toxicity: 0.27 µg/l
     Test: 96h LC50,F
  • Organism Type: Fish e
    Common Name: Steelhead trout
     Toxicity: 0.45 µg/l
     Test: 96h LC50,S
  • Organism Type: Fish e
    Common Name: Bluegill
     Scientific Name: Lepomis macrochirus
     Toxicity: 0.75 µg/l
     Test: 96h LC50,F
  • Organism Type: Fish e
    Common Name: Bluegill
     Scientific Name: Lepomis macrochirus
     Toxicity: 2.6 µg/l
     Test: 96h LC50,S
  • Organism Type: Fish e
    Common Name: Coho salmon or silver salmon
     Scientific Name: Oncorhynchus kisutch
     Toxicity: <0.28 µg/l
     Test: 96h LC50,F
  • Organism Type: Fish e
    Common Name: Coho salmon or silver salmon
     Scientific Name: Oncorhynchus kisutch
     Toxicity: >150 µg/l
     Test: 96h LC50,S
  • Organism Type: Fish e
    Common Name: Yellow perch
     Scientific Name: Perca flavescens
     Toxicity: 0.51 µg/l
     Test: 96h LC50,F
  • Organism Type: Fish e
    Common Name: Yellow perch
     Scientific Name: Perca flavescens
     Toxicity: 2.6 µg/l
     Test: 96h LC50,S
  • Organism Type: Mammals g
    Common Name: Rat
     Scientific Name: Muridae (Family)
     Toxicity: >2500 mg/kg
     Test: LD50

Resource Map: Click below to open in a new window to view or print.
Potential applications of this contaminant in the St. Johns Water River Management District

Work Cited

a Beyond pesticides fact sheets. Pages retrieved November, 2003 from http://www.beyondpesticides.org. Beyond Pesticides, Washington, DC.
e Verschueren, K. 1996. Handbook of Environmental Data on Organic Chemicals, 3rd edition. John Wiley & Sons, Inc., New York.
g Meister, R. T., and C. Sine (Ed). 2003. Crop Protection Handbook, volume 89. Meister Publishing Company, Willoughby, OH.