Ecological Assessment of Storm Impacts

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Data Collection

Ethoprop

CAS Number: 13194-48-4

Basic Information

The chemical structure of Ethoprop Synonym(s): Ethoprophos; Ethyl S,S-dipropyl phosphorodithioate; Holdem; Mocap; Mocap 10G; Phosethoprop; Phosphorodithioic acid O-ethyl S,S-dipropyl ester
Formula: C8H19O2PS2
 Molecular Weight: 242.331
 Boiling Point (°C): 86 - 91
Contaminant Type: Ethoprop is an insecticide.

Solubility (in water)

  • Solubility: 750 mg/l g
  • Solubility: 700 mg/l e
    Temperature (°C): 20

Half-Life (in soil unless otherwise noted)

  • t1/2: 87 days e
    pH Value: 4.5
     Environment: Humus containing soil
  • t1/2: 14-28 days e
    pH Value: 7.2
     Environment: Sandy loam

Toxicity Effects

  • Organism Type: Fish e
    Common Name: Sheepshead minnow
     Scientific Name: Cyprinodon variegatus
     Toxicity: 180 µg/l
     Test: 96h LC50
  • Organism Type: Fish e
    Common Name: Sheepshead minnow
     Scientific Name: Cyprinodon variegatus
     Toxicity: 16 µg/l
     Test: MATC
     Notes: early life stages
  • Organism Type: Fish e
    Common Name: Inland silverside, tidewater silverside
     Scientific Name: Menidia beryllina
     Toxicity: 7.5 µg/l
     Test: 96h LC50
  • Organism Type: Fish e
    Common Name: Inland silverside, tidewater silverside
     Scientific Name: Menidia beryllina
     Toxicity: 0.47 µg/l
     Test: MATC Life Cycle
  • Organism Type: Mammals g
    Common Name: Rat
     Scientific Name: Muridae (Family)
     Toxicity: 61.5 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

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.