Ecological Assessment of Storm Impacts

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Data Collection

Mercaptodimethur

CAS Number: 2032-65-7

Basic Information

The chemical structure of Mercaptodimethur Synonym(s): 3,5-dimethyl-4-(methylthio)phenol methylcarbamate; 3,5-Dimethyl-4-(methylthio)phenyl methylcarbamate; Bay 37344; BAY 9026; Draza; Mercaptodimethur; Mesurol; Methiocarb; Methylcarbamic acid, 4-(methylthio)-3,5-xylyl ester; metmercapturon; Slug-Geta; Slug'm
Formula: C11H15NO2S
 Molecular Weight: 225.3
 Melting Point (°C): 119
 Contaminant Type: Mercaptodimethur is an insecticide.

Solubility (in water)

  • Solubility: 30 mg/l ak
    Temperature (°C): 20
  • Solubility: 10-30 mg/l k
    Temperature (°C): 20

Toxicity Effects

  • Organism Type: Crustaceans ak
    Common Name: Common grass shrimp
     Scientific Name: Palaemonetes vulgaris
     Toxicity: 0.4-3.7 mg/l
     Test: 24h LC50
  • Organism Type: Crustaceans ak
    Common Name: Crayfish
     Scientific Name: Procambarus zonangulus
     Toxicity: 0.4-3.7 mg/l
     Test: 24h LC50
  • Organism Type: Fish ak
    Common Name: Sunfish
     Toxicity: 0.21 - 3.8 mg/l
     Test: 96h LC50
  • Organism Type: Fish k
    Common Name: Golden orfe
     Toxicity: 3.8 mg/l
     Test: 96h LC50
  • Organism Type: Fish ak
    Common Name: Golden orfe
     Toxicity: 0.21 - 3.8 mg/l
     Test: 96h LC50
  • Organism Type: Fish ak
    Common Name: Carp
     Scientific Name: Cyprinus carpio
     Toxicity: 0.21 - 3.8 mg/l
     Test: 96h LC50
  • Organism Type: Fish k
    Common Name: Bluegill
     Scientific Name: Lepomis macrochirus
     Toxicity: 0.21 - 0.75 mg/l
     Test: 96h LC50
  • Organism Type: Fish ak
    Common Name: Bluegill
     Scientific Name: Lepomis macrochirus
     Toxicity: 0.21 - 3.8 mg/l
     Test: 96h LC50
  • Organism Type: Fish ak
    Common Name: Rainbow trout
     Scientific Name: Oncorhynchus mykiss
    Toxicity: 0.21 - 3.8 mg/l
     Test: 96h LC50
  • Organism Type: Fish k
    Common Name: Rainbow trout
     Scientific Name: Oncorhynchus mykiss
    Toxicity: 0.64 mg/l
     Test: 96h LC50
  • Organism Type: Mammals ak
    Common Name: Guinea pig
     Toxicity: 15-40 mg/kg bw
     Test: LD50
  • Organism Type: Mammals ak
    Common Name: Rat
     Scientific Name: Muridae (Family)
     Toxicity: 15-40 mg/kg bw
     Test: LD50
  • Organism Type: Mammals ak
    Common Name: Mouse
     Scientific Name: Muridae (Family)
     Toxicity: 15-40 mg/kg bw
     Test: LD50

Soil Organic Carbon/Water Partition Coefficients

  • Koc: 70 ak
    Formulation: in silt loam soil
  • Koc: 208 ml/g k
    Formulation: Batcombe silt loam
     pH Value: 6.7-7.5
  • Koc: 516 ml/g k
    Formulation: Sandy loam
     pH Value: 5.9
  • Koc: 2.71 k
    Formulation: log

Octanol-Water Partition Coefficients

  • Log Kow: 2.9 ak
  • Log Kow: "2.97, 3.04" k

Work Cited

k Montgomery, J. H. 1993. Agrochemicals Desk Reference: Environmental Data. Lewis Publishers, Boca Raton, FL.
ak Verschueren, K. 2001. Handbook of Environmental Data on Organic Chemicals, 4th edition. John Wiley & Sons, Inc., New York.