Ecological Assessment of Storm Impacts

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Data Collection

Vernolate

CAS Number: 1929-77-7

Basic Information

The chemical structure of Vernolate Synonym(s): Propyl-di-n-propyl thiocarbamate; Propyl dipropylthiocarbamate; Propyl N,N-dipropylthiolcarbamate; S-propyl dipropylcarbamothioate
Formula: C10H21NOS
 Molecular Weight: 203.342
 Contaminant Type: Vernolate is an herbicide.

Solubility (in water)

  • Solubility: 90 - 107 mg/l e
    Temperature (°C): 21

Half-Life (in soil unless otherwise noted)

  • t1/2: 10-12 days e
    Environment: clay soil

Toxicity Effects

  • Organism Type: Crustaceans e
    Scientific Name: Cypridopsis vidua
     Toxicity: 240 µg/l
     Test: 48h LC50
  • Organism Type: Crustaceans e
    Common Name: Daphnia
     Scientific Name: Daphnia magna
     Toxicity: 1100 µg/l
     Test: 48h LC50
  • Organism Type: Crustaceans e
    Scientific Name: Gammarus fasciatus
     Toxicity: 13000 µg/l
     Test: 96h LC50
  • Organism Type: Crustaceans e
    Scientific Name: Gammarus lacustris
     Toxicity: 1800 µg/l
     Test: 96h LC50
  • Organism Type: Crustaceans e
    Scientific Name: Orconectes nais
     Toxicity: 24000 µg/l
     Test: 48h LC50
  • Organism Type: Crustaceans e
    Common Name: Mississippi grass shrimp
     Scientific Name: Palaemonetes kadiakensis
     Toxicity: 1900 µg/l
     Test: 48h LC50
  • Organism Type: Fish e
    Common Name: Rainbow trout
     Scientific Name: Oncorhynchus mykiss
    Toxicity: 6.2 mg/l
     Test: 24h LC50
  • Organism Type: Fish e
    Common Name: Rainbow trout
     Scientific Name: Oncorhynchus mykiss
    Toxicity: 5.9 mg/l
     Test: 48h LC50
  • Organism Type: Fish e
    Common Name: Rainbow trout
     Scientific Name: Oncorhynchus mykiss
    Toxicity: 4.3 mg/l
     Test: 96h LC50
  • Organism Type: Mammals g
    Common Name: Rat
     Scientific Name: Muridae (Family)
     Toxicity: 1800-1900 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.