Ecological Assessment of Storm Impacts

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Data Collection

Triclopyr

CAS Number: 55335-06-3

Basic Information

The chemical structure of Triclopyr Synonym(s): 3,4,6-Trichloro-2-pyridinyloxyacetic acid; (3,5,6-Trichloro-2-pyridinyl)oxyacetic acid; Crossbow Turflon; Curtail; Garlon; Garlon 4; Redeem; Remedy
Formula: C7H4Cl3NO3
 Molecular Weight: 256.473
 Boiling Point (°C): 290
 Melting Point (°C): 148 - 150
 Contaminant Type: Triclopyr is an herbicide.

Solubility (in water)

  • Solubility: 440 mg/l e
    Temperature (°C): 24

Half-Life (in soil unless otherwise noted)

  • t1/2: 20 - 45 days g
  • t1/2: 30 - 90 days e

Toxicity Effects

  • Organism Type: Fish e
    Common Name: Bluegill
     Scientific Name: Lepomis macrochirus
     Toxicity: 148 mg/l
     Test: 96h LC50
  • Organism Type: Fish e
    Common Name: Rainbow trout
     Scientific Name: Oncorhynchus mykiss
    Toxicity: 114 mg/l
     Test: 96h LC50
  • Organism Type: Fish e
    Common Name: Fathead minnow
     Scientific Name: Pimephales promelas
     Toxicity: 2.5 mg/l
     Test: 4d LC50
  • Organism Type: Mammals g
    Common Name: Rat
     Scientific Name: Muridae (Family)
     Gender: Female
     Toxicity: 630 mg/kg
     Test: LD50

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.