Ecological Assessment of Storm Impacts

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Data Collection

Lambdacyhalothrin

CAS Number: 91465-08-6

Basic Information

The chemical structure of Lambdacyhalothrin Synonym(s): Cyhalothrin; Cyhalothrin K; Icon; Karate C50; Lambda cyhalothrin; Ninja 10WP; PP321
Formula: C23H19ClF3NO3
 Molecular Weight: 449.86
 Boiling Point (°C): 187 - 190
 Melting Point (°C): 49.2
 Contaminant Type: Lambdacyhalothrin is an insecticide.

Solubility (in water)

  • Solubility: 0.0008533 mg/l p
    Temperature (°C): 25

Half-Life (in soil unless otherwise noted)

  • t1/2: 4-12 weeks b
    Environment: DT50
  • t1/2: 6-40 days c
    Formulation: Warrior with Zeon Technology

Toxicity Effects

  • Organism Type: Algae c
    Common Name: green algae
     Toxicity: >1 mg/l
     Test: EC50
     Formulation: Warrior with Zeon Technology
  • Organism Type: Crustaceans c
    Common Name: Daphnia
     Scientific Name: Daphnia magna
     Toxicity: 0.36 µg/l
     Test: 48h EC50
     Formulation: Warrior with Zeon Technology
  • Organism Type: Fish b
    Common Name: Fish
     Toxicity: 0.42-0.5 µg/l
     Test: 96h LC50
  • Organism Type: Fish c
    Common Name: Rainbow trout
     Scientific Name: Oncorhynchus mykiss
    Toxicity: 0.44 µg/l
     Test: 96h LC50
    Formulation: Warrior with Zeon Technology
  • Organism Type: Mammals c
    Common Name: Rat
     Scientific Name: Muridae (Family)
     Toxicity: 351 mg/kg
     Test: LD50
     Formulation: Warrior with Zeon Technology

Soil Organic Carbon/Water Partition Coefficients

  • Koc: 180,000 b
  • Koc: 330,000 c
    Formulation: Warrior with Zeon Technology
     Notes: 4

Octanol-Water Partition Coefficients

  • Log Kow: 7 p

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

b AQUIRE (AQUatic toxicity Information REtrieval) database (As part of the ECOTOX Database). Pages retreived February, 2003 from http://www.epa.gov/ecotox/. USEPA, Washington, DC.
c C&P Press. 2002. EPR Professional Annual CD. Crop Protection Reference. Chemical and Pharmacuetical Press, Inc., New York, NY.
p Syracuse Research Corporation Databases. Pages retrieved November, 2003 from: http://esc.syrres.com. Syracuse Research Corporation, North Syracuse, NY.