Ecological Assessment of Storm Impacts

Overview > Data Collection

Data Collection

Trichlorfon

CAS Number: 52-68-6

Basic Information

The chemical structure of Trichlorfon Synonym(s): 1-hydroxy-2,2,2-trichloroethylphosphonic acid dimethyl ester; Ttriclorofon; Dipterex; Dyrex; Dyvon; Equino-acid; Equino-aid; Flibol e; Fliegenteller; Forotox; Foschlor; Foschlorine
Formula: C4H8Cl3O4P
 Molecular Weight: 257.438
 Boiling Point (°C): 100
 Melting Point (°C): 83
 Contaminant Type: Trichlorfon is an insecticide.
Notes: White to pale yellow crystalline powder

Solubility (in water)

  • Solubility: 154,000 mg/l e
    Temperature (°C): 25

Half-Life (in soil unless otherwise noted)

  • t1/2: 1-45 days f
    Notes: Based upon unacclimated soil grab sample

Toxicity Effects

  • Organism Type: Algae e
    Scientific Name: Chlorella spp.
     Toxicity: 500 mg/l
     Test: 10d EC100
  • Organism Type: Algae e
    Scientific Name: Chlorella spp.
     Toxicity: 50 mg/l
     Test: 10d EC30
  • Organism Type: Algae e
    Scientific Name: Dunaliella euchlora
     Toxicity: 50 mg/l
     Test: 10d EC46
  • Organism Type: Algae e
    Scientific Name: Phaeodactylum tricornutum
     Toxicity: 50 mg/l
     Test: 10d EC15
  • Organism Type: Algae e
    Scientific Name: Phaeodactylum tricornutum
     Toxicity: 100 mg/l
     Test: 10d EC61
  • Organism Type: Algae e
    Scientific Name: Protococcus spp.
     Toxicity: 100 mg/l
     Test: 10d EC46
  • Organism Type: Crustaceans e
    Common Name: Daphnia
     Scientific Name: Daphnia pulex
     Toxicity: 0.18 µg/l
     Test: 48h LC50
  • Organism Type: Crustaceans e
    Scientific Name: Gammarus lacustris
     Toxicity: 40 µg/l
     Test: 96h LC50
  • Organism Type: Crustaceans e
    Scientific Name: Simocephalus serrulatus
     Toxicity: 0.32 µg/l
     Test: 48h LC50
  • Organism Type: Fish e
    Common Name: Bluegill
     Scientific Name: Lepomis macrochirus
     Toxicity: 3.8 mg/l
     Test: 96h LC50
  • Organism Type: Fish e
    Common Name: Rainbow trout
     Scientific Name: Oncorhynchus mykiss
    Toxicity: 4.8 mg/l
     Test: 96h LC50,S
  • Organism Type: Fish e
    Common Name: Fathead minnow
     Scientific Name: Pimephales promelas
     Toxicity: 109 mg/l
     Test: 96h LC50
  • Organism Type: Mammals c
    Common Name: Rat
     Scientific Name: Muridae (Family)
     Gender: Female
     Toxicity: >5000 mg/kg
     Test: LD50
     Formulation: Dylox 6.2G
  • Organism Type: Mammals c
    Common Name: Rat
     Scientific Name: Muridae (Family)
     Gender: Male
     Toxicity: >5100 mg/kg
     Test: LD50
     Formulation: Dylox 6.2G
  • Organism Type: Molluscs e
    Common Name: Eastern oyster
     Scientific Name: Crassostrea virginica
     Life Stage: Larval
     Toxicity: 1 mg/l
     Test: 48h LC50,S

Octanol-Water Partition Coefficients

  • Log Kow: 0.76 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

c C&P Press. 2002. EPR Professional Annual CD. Crop Protection Reference. Chemical and Pharmacuetical Press, Inc., New York, NY.
e Verschueren, K. 1996. Handbook of Environmental Data on Organic Chemicals, 3rd edition. John Wiley & Sons, Inc., New York.
f Howard, P. H., R. S. Boethling, W. F. Jarvis, W. M. Meylan, and E. M. Michalenko. 1991. Handbook of Environmental Degradation Rates. Lewis Publishers., Chelsea, MI.