Ecological Assessment of Storm Impacts

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Data Collection

Ethofumesate

CAS Number: 26225-79-6

Basic Information

The chemical structure of Ethofumesate Synonym(s): 2-Ethoxy-2,3-dihydro-3,3-dimethyl-5-benzofuranyl methanesulfonate; 2-ethoxy-2,3-dihydro-3,3-dimethyl-5-benzofuranyl methanesulfonate, (+-)-; 7-Benzofuranol, 2-ethoxy-2,3-dihydro-3,3-dimethyl-, methanesulfonate, (+/-)-
Formula: C13H18O5S
 Molecular Weight: 286.3
 Melting Point (°C): 69 - 71
Contaminant Type: Ethofumesate is an herbicide.

Solubility (in water)

  • Solubility: 110 mg/l ak
    Temperature (°C): 25
  • Solubility: 50 ppm g

Half-Life (in soil unless otherwise noted)

  • t1/2: 5-12 weeks ak

Toxicity Effects

  • Organism Type: Fish g
    Common Name: Carp
     Scientific Name: Cyprinus carpio
     Toxicity: 10.92 mg/l
     Test: 48h LC50
  • Organism Type: Fish g
    Common Name: Bluegill
     Scientific Name: Lepomis macrochirus
     Toxicity: 12.37 - 21.2 mg/l
     Test: 48h LC50
  • Organism Type: Fish g
    Common Name: Rainbow trout
     Scientific Name: Oncorhynchus mykiss
    Toxicity: 11.91 - 20.2 mg/l
     Test: 48h LC50
  • Organism Type: Fish ak
    Common Name: Guppy
     Scientific Name: Poecilia reticulata
    Toxicity: 15 mg/l
     Test: 24h LC50
  • Organism Type: Mammals g
    Common Name: Rat
     Scientific Name: Muridae (Family)
     Toxicity: >5000 mg/kg
     Test: LD50

Work Cited

g Meister, R. T., and C. Sine (Ed). 2003. Crop Protection Handbook, volume 89. Meister Publishing Company, Willoughby, OH.
ak Verschueren, K. 2001. Handbook of Environmental Data on Organic Chemicals, 4th edition. John Wiley & Sons, Inc., New York.