Ecological Assessment of Storm Impacts

Data Collection

Norflurazon

Basic Information

Synonym(s): Evital; Monometflurazon; Pyridazinone, 4-chloro-5-(methylamino)-2-(3-(trifluoromethyl)phenyl)-; Pyridazinone, 4-chloro-5-(methylamino)-2-(alpha,alpha,alpha-trifluoro-m-tolyl)-; Solicam; Solicam 80W
Formula: C₁₂H₉ClF₃N₃O
Molecular Weight: 303.671
Melting Point (°C): 174 - 180
Contaminant Type: Norflurazon is an herbicide.

Solubility (in water)

• Solubility: 28 mg/l ^g
  Temperature (°C): 23
  

Half-Life (in soil unless otherwise noted)

• t1/2: 180 days ^c
  Formulation: Evital 5G
  

Toxicity Effects

• Organism Type: Birds ^g
  Common Name: Mallard
  Scientific Name: Anas platyrhynchos
  Toxicity: >2510 mg/kg
  Test: LD50
  

• Organism Type: Birds ^g
  Common Name: bobwhite quail
  Scientific Name: Colinus virginianus
  Toxicity: >2510 mg/kg
  Test: LD50
  

• Organism Type: Crustaceans ^c
  Common Name: Daphnia
  Scientific Name: Daphnia magna
  Toxicity: >15 mg/l
  Test: 48h LC50
  Formulation: Evital 5G
  

• Organism Type: Fish ^g
  Common Name: Goldfish
  Scientific Name: Carassius auratus
  Toxicity: >200 mg/l
  Test: 96h LC50
  

• Organism Type: Fish ^c
  Common Name: Rainbow trout
  Scientific Name: Oncorhynchus mykiss
  Toxicity: 27.7 mg/l
  Test: 96h LC50
  Formulation: Evital 5G
  

• Organism Type: Fish ^g
  Common Name: Catfish
  Scientific Name: Siluriformes (Order)
  Toxicity: >200 mg/l
  Test: 96h LC50
  

• Organism Type: Mammals ^g
  Common Name: Dog
  Scientific Name: Canis (Genus)
  Toxicity: 12.5 mg/kg/day
  Test: 90d NOEL
  Notes: 90 day feeding test, "no effect" level

• Organism Type: Mammals ^g
  Common Name: Rat
  Scientific Name: Muridae (Family)
  Toxicity: 50 mg/kg/day
  Test: 90d NOEL
  Notes: 90 day feeding test "no effect" level

• Organism Type: Mammals ^g
  Common Name: Rat
  Scientific Name: Muridae (Family)
  Toxicity: >8000 mg/kg
  Test: LD50
  

Work Cited