Ecological Assessment of Storm Impacts

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Data Collection

Diuron

CAS Number: 330-54-1

Basic Information

The chemical structure of Diuron Synonym(s): 1,1-Dimethyl-3-(3,4-Dichlorophenyl)urea; 1-(3,4-Dichlorophenyl)-3,3-dimethylurea; 3-(3,4-Dichlorophenyl)-1,1-Dimethylurea; M Velpar; Aguron; Diater; Di-on; Direx 4L; Direx 80W; Diurex
Formula: C9H10Cl2N2O
 Boiling Point (°C): 155
 Melting Point (°C): 158 - 159
 Contaminant Type: Diuron is an herbicide.

Solubility (in water)

  • Solubility: 0.035 g/l g
    Temperature (°C): 20
  • Solubility: 42 mg/l e
    Temperature (°C): 25
     Formulation: In distilled water

Toxicity Effects

  • Organism Type: Algae e
    Scientific Name: Chlorella spp.
     Toxicity: 4 µg/l
     Test: 10d EC66
  • Organism Type: Algae e
    Scientific Name: Chlorococcum spp.
     Toxicity: 10-20 µg/l
     Test: 10d EC50
  • Organism Type: Algae e
    Scientific Name: Chlorococcum spp.
     Toxicity: 10 µg/l
     Test: 10d EC61
  • Organism Type: Algae e
    Scientific Name: Dunaliella tertiolecta
     Toxicity: 10-20 µg/l
     Test: 10d EC50
  • Organism Type: Algae e
    Scientific Name: Dunaliella tertiolecta
     Toxicity: 0.4 µg/l
     Test: 10d EC56
  • Organism Type: Algae e
    Scientific Name: Isochrysis galbana
     Toxicity: 10 µg/l
     Test: 10d EC50
  • Organism Type: Algae e
    Scientific Name: Monochrysis lutheri
     Toxicity: 0.02 µg/l
     Test: 10d EC100
  • Organism Type: Algae e
    Scientific Name: Phaeodactylum tricornutum
     Toxicity: 4 µg/l
     Test: 10d EC100
  • Organism Type: Algae e
    Scientific Name: Phaeodactylum tricornutum
     Toxicity: 0.4 µg/l
     Test: 10d EC21
  • Organism Type: Algae e
    Scientific Name: Phaeodactylum tricornutum
     Toxicity: 10 µg/l
     Test: 10d EC50
  • Organism Type: Algae e
    Scientific Name: Protococcus spp.
     Toxicity: 0.02 µg/l
     Test: 10d EC48
  • Organism Type: Birds g
    Common Name: Mallard
     Scientific Name: Anas platyrhynchos
     Toxicity: >5000 mg/kg
     Test: LD50
  • Organism Type: Crustaceans e
    Common Name: Daphnia
     Scientific Name: Daphnia magna
     Toxicity: 1400 µg/l
     Test: 24h LC50
  • Organism Type: Crustaceans e
    Common Name: Daphnia
     Scientific Name: Daphnia pulex
     Toxicity: 1400 µg/l
     Test: 48h LC50
  • Organism Type: Crustaceans e
    Scientific Name: Gammarus fasciatus
     Toxicity: 700 µg/l
     Test: 96h LC50
  • Organism Type: Crustaceans e
    Scientific Name: Gammarus lacustris
     Toxicity: 160 µg/l
     Test: 96h LC50
  • Organism Type: Crustaceans e
    Scientific Name: Simocephalus serrulatus
     Toxicity: 2000 µg/l
     Test: 48h LC50
  • Organism Type: Fish e
    Common Name: Bluegill
     Scientific Name: Lepomis macrochirus
     Toxicity: 7.4 mg/l
     Test: 48h LC50
  • Organism Type: Fish e
    Common Name: Bluegill
     Scientific Name: Lepomis macrochirus
     Toxicity: 5.9 mg/l
     Test: 96h LC50
  • Organism Type: Fish e
    Common Name: Coho salmon or silver salmon
     Scientific Name: Oncorhynchus kisutch
     Toxicity: 16000 µg/l
     Test: 48h LC50
  • Organism Type: Fish e
    Common Name: Rainbow trout
     Scientific Name: Oncorhynchus mykiss
    Toxicity: 4.3 mg/l
     Test: 48h LC50
  • Organism Type: Fish e
    Common Name: Rainbow trout
     Scientific Name: Oncorhynchus mykiss
    Toxicity: 5.6 mg/l
     Test: 96h LC50
  • Organism Type: Fish g
    Common Name: Rainbow trout
     Scientific Name: Oncorhynchus mykiss
    Toxicity: 3.5 mg/l
     Test: 96h LC50
  • Organism Type: Fish e
    Common Name: Guppy
     Scientific Name: Poecilia reticulata
    Toxicity: 25 mg/l
     Test: 96h LC50
  • Organism Type: Fish e
    Common Name: Guppy
     Scientific Name: Poecilia reticulata
    Toxicity: 26 mg/l
     Test: 96h LC50
  • Organism Type: Fish e
    Common Name: Harlequin fish
     Scientific Name: Rasbora heteromorpha
     Toxicity: 110 mg/l
     Test: 24h LC10,F
  • Organism Type: Fish e
    Common Name: Harlequin fish
     Scientific Name: Rasbora heteromorpha
     Toxicity: 200 mg/l
     Test: 24h LC50,F
  • Organism Type: Fish e
    Common Name: Harlequin fish
     Scientific Name: Rasbora heteromorpha
     Toxicity: 150 mg/l
     Test: 48h LC10,F
  • Organism Type: Fish e
    Common Name: Harlequin fish
     Scientific Name: Rasbora heteromorpha
     Toxicity: 193 mg/l
     Test: 48h LC50,F
  • Organism Type: Fish e
    Common Name: Columbia River redband trout
     Scientific Name: Salmo gairdneri
     Toxicity: 6.5 mg/l
     Test: 96h LC50
  • Organism Type: Fish e
    Common Name: Lake trout
     Scientific Name: Salvelinus namaycush
     Toxicity: 2.1 mg/l
     Test: 96h LC50
  • Organism Type: Mammals g
    Common Name: Rat
     Scientific Name: Muridae (Family)
     Toxicity: >5000 mg/kg
     Test: LD50
  • Organism Type: Mammals c
    Common Name: Rat
     Scientific Name: Muridae (Family)
     Toxicity: 3240 mg/kg
     Test: LD50
     Formulation: Diuron 80 DF

Octanol-Water Partition Coefficients

  • Log Kow: 2.75 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.
g Meister, R. T., and C. Sine (Ed). 2003. Crop Protection Handbook, volume 89. Meister Publishing Company, Willoughby, OH.