Ecological Assessment of Storm Impacts

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Data Collection

Fenvalerate

CAS Number: 51630-58-1

Basic Information

The chemical structure of Fenvalerate Synonym(s): Ectrin; Evercide fenvalerate; Extrin; Fenkill; Phenvalerate; Pydrin; Pydrin ; Sanmarton; SD 43775; Sumicidin; Sumicide; Sumifly; Sumipower; Sumitox
Formula: C25H22ClNO3
 Molecular Weight: 419.907
 Boiling Point (°C): 300
 Contaminant Type: Fenvalerate is an insecticide.

Half-Life (in soil unless otherwise noted)

  • t1/2: 1-2 months g
  • t1/2: 3 hours e
    Temperature (°C): 18-22
     Notes: Aerobic biodegration half-life at an initial concentration of 2 ppm, using a mixture of nonacclimated sludge, field soil, and river sediment as inoculum, in a stirred flask, the major bacterial types in the activated sludge have been characterized as follows: Flavobacterium 35%; Alcaligenes 30%; Corynebacterium 20%; Pseudomonas 15%

Toxicity Effects

  • Organism Type: Algae e
    Scientific Name: Scenedesmus bijuga
     Toxicity: 0.05 mg/l
     Test: 14d IC50, growth
  • Organism Type: Fish e
    Scientific Name: Clarias lazera
     Toxicity: 630 µg/l
     Test: LC50
  • Organism Type: Fish e
    Common Name: Sheepshead minnow
     Scientific Name: Cyprinodon variegatus
     Toxicity: 5 µg/l
     Test: 96h LC50
  • Organism Type: Fish e
    Common Name: Sheepshead minnow
     Scientific Name: Cyprinodon variegatus
     Toxicity: 1.1 µg/l
     Test: MATC
     Notes: early life stages
  • Organism Type: Fish e
    Common Name: Carp
     Scientific Name: Cyprinus carpio
     Toxicity: 30 µg/l
     Test: 48h LC50
  • Organism Type: Fish g
    Common Name: Bluegill
     Scientific Name: Lepomis macrochirus
     Toxicity: 0.42 µg/l
     Test: 96h LC50
  • Organism Type: Fish e
    Common Name: Rainbow trout
     Scientific Name: Oncorhynchus mykiss
    Toxicity: 2.1 µg/l
     Test: 24h LC50,S
     Formulation: formulated product
     Notes: rate reflects amount of active ingredient
  • Organism Type: Fish e
    Common Name: Rainbow trout
     Scientific Name: Oncorhynchus mykiss
    Toxicity: 76 µg/l
     Test: 24h LC50,S
     Formulation: technical grade
  • Organism Type: Fish e
    Common Name: Fathead minnow
     Scientific Name: Pimephales promelas
     Toxicity: 0.19-0.36 µg/l
     Test: 30d EC50, growth
  • Organism Type: Fish e
    Common Name: Fathead minnow
     Scientific Name: Pimephales promelas
     Toxicity: 0.85 µg/l
     Test: 4d LC50, growth
  • Organism Type: Mammals g
    Common Name: Rat
     Scientific Name: Muridae (Family)
     Toxicity: 451 mg/kg
     Test: LD50

Octanol-Water Partition Coefficients

  • Log Kow: 4.42 e

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

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.