Ecological Assessment of Storm Impacts

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Data Collection

Clopyralid

CAS Number: 1702-17-6

Basic Information

The chemical structure of Clopyralid Synonym(s): 3,6-Dichloro-2-picolinic acid; 3,6-Dichloro-2-pyridinecarboxylic acid; 3,6-Dichloropicolinic acid; Dowco 290; Lontrel; Lontril F; Lontril T; Pyridinecarboxylic acid, 3,6-dichloro-; Stinger
Formula: C6H3Cl2NO2
 Molecular Weight: 192.001
 Melting Point (°C): 151 - 152
 Contaminant Type: Clopyralid is an herbicide.

Solubility (in water)

  • Solubility: 1 g/kg g
    Temperature (°C): 20

Toxicity Effects

  • Organism Type: Mammals g
    Common Name: Rat
     Scientific Name: Muridae (Family)
     Toxicity: >5000 mg/kg
     Test: LD50

Octanol-Water Partition Coefficients

  • Log Kow: -2.6 e
    Formulation: pH7

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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.