Ecological Assessment of Storm Impacts

Overview > Data Collection

Data Collection

Ethion

CAS Number: 563-12-2

Basic Information

The chemical structure of Ethion Synonym(s): Ethion 8; Ethodan; Ethopaz; ethyl methylene phosphorodithioate; FMC 1240; Fosfatox E; Fosfono 50; Hylemox; Itopaz; KWIT; Methanedithiol, S,S-diester with O,O-diethyl phosphorodithioate
Formula: C9H22O4P2S4
 Molecular Weight: 384.458
 Boiling Point (°C): 164 - 165 (.3mm Hg)
Melting Point (°C): -25 to -24
Contaminant Type: Ethion is an insecticide.
Notes: Liquid

Half-Life (in soil unless otherwise noted)

  • t1/2: 90 days c
    Environment: Depending upon soil type
     Formulation: Ethion 4 Miscible

Toxicity Effects

  • Organism Type: Crustaceans e
    Scientific Name: Gammarus fasciatus
     Toxicity: 9.4 µg/l
     Test: 96h LC50
  • Organism Type: Crustaceans e
    Scientific Name: Gammarus lacustris
     Toxicity: 1.8 µg/l
     Test: 96h LC50
  • Organism Type: Crustaceans e
    Common Name: Mississippi grass shrimp
     Scientific Name: Palaemonetes kadiakensis
     Toxicity: 5.7 µg/l
     Test: 96h LC50
  • Organism Type: Fish e
    Common Name: Channel catfish
     Scientific Name: Ictalurus punctatus
     Toxicity: 7500 µg/l
     Test: 96h LC50
  • Organism Type: Fish e
    Common Name: Bluegill
     Scientific Name: Lepomis macrochirus
     Toxicity: 220 µg/l
     Test: 96h LC50
  • Organism Type: Fish e
    Common Name: Largemouth bass
     Scientific Name: Micropterus salmoides
     Toxicity: 150 µg/l
     Test: 96h LC50
  • Organism Type: Fish e
    Common Name: Cutthroat trout
     Scientific Name: Oncorhynchus clarkii
     Toxicity: 720 µg/l
     Test: 96h LC50
  • Organism Type: Fish g
    Common Name: Rainbow trout
     Scientific Name: Oncorhynchus mykiss
    Toxicity: 500 µg/l
     Test: 96h LC50
  • Organism Type: Fish e
    Common Name: Columbia River redband trout
     Scientific Name: Salmo gairdneri
     Toxicity: 560 µg/l
     Test: 96h LC50
  • Organism Type: Mammals c
    Common Name: Rat
     Scientific Name: Muridae (Family)
     Toxicity: 89 mg/kg
     Test: LD50
     Formulation: Ethion 4 Miscible
  • Organism Type: Other c
    Common Name: Aquatic fish and arthropods
     Toxicity: 15-49 µg/l
     Test: 96h LC50
    Formulation: Ethion 4 Miscible

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.
g Meister, R. T., and C. Sine (Ed). 2003. Crop Protection Handbook, volume 89. Meister Publishing Company, Willoughby, OH.