Ecological Assessment of Storm Impacts

Data Collection

Chlorosulfuron

Basic Information

Synonym(s): 2-Chloro-N-(((4-methoxy-6-methyl-1,3,5-triazin-2-yl)amino)carbonyl)benzenesulfonamide; 2-Chlorsulfuron; Chlorosulfuron; Chlorsulfuron ; DPX 4189; Glean; Telar
Formula: C₁₂H₁₂ClN₅O₄S
Molecular Weight: 357.8
Melting Point (°C): 174 - 178
Contaminant Type: Chlorosulfuron is an herbicide.

Solubility (in water)

• Solubility: 100-125 mg/l ^ak
  Temperature (°C): 25
  

• Solubility: 300-2800 ppm ^g
  Temperature (°C): 25
  pH Value: 5-7
  

Half-Life (in soil unless otherwise noted)

• t1/2: 6-8 days ^ak
  Environment: dry soil
  

• t1/2: 4-6 weeks ^k
  Environment: via hydrolysis followed by microbial degradation
  

Toxicity Effects

• Organism Type: Algae ^ak
  Scientific Name: Chlorella saccharophila
  Toxicity: 74.5 mg/l
  Test: 96h EC50
  

• Organism Type: Algae ^ak
  Scientific Name: Pseudanalaena galeata
  Toxicity: 21.1 mg/l
  Test: 96h EC50
  

• Organism Type: Algae ^ak
  Scientific Name: Scenedesmus acutus acutus
  Toxicity: 0.19 mg/l
  Test: 96h EC50
  

• Organism Type: Algae ^ak
  Common Name: Green algae
  Scientific Name: Selenastrum capricornutum
  Toxicity: 10 mg/l
  Test: 72h EC100
  

• Organism Type: Algae ^ak
  Common Name: Green algae
  Scientific Name: Selenastrum capricornutum
  Toxicity: 0.68-0.81 mg/l
  Test: 72h EC50
  

• Organism Type: Birds ^ap
  Common Name: Mallard
  Scientific Name: Anas platyrhynchos
  Toxicity: <5000 mg/kg
  Test: LD50
  

• Organism Type: Birds ^ap
  Common Name: bobwhite quail
  Scientific Name: Colinus virginianus
  Toxicity: <5000 mg/kg
  Test: LD50
  

• Organism Type: Crustaceans ^ap
  Common Name: Daphnia
  Scientific Name: Daphnia magna
  Toxicity: <370 mg/l
  Test: LC50
  

• Organism Type: Fish ^ap
  Common Name: Channel catfish
  Scientific Name: Ictalurus punctatus
  Toxicity: <40 ppm
  Test: LC50
  

• Organism Type: Fish ^ak
  Common Name: Bluegill
  Scientific Name: Lepomis macrochirus
  Toxicity: >250 mg/l
  Test: 96h LC50
  

• Organism Type: Fish ^ap
  Common Name: Bluegill
  Scientific Name: Lepomis macrochirus
  Toxicity: <300 ppm
  Test: LC50
  

• Organism Type: Fish ^ak
  Common Name: Rainbow trout
  Scientific Name: Oncorhynchus mykiss
  Toxicity: >250 mg/l
  Test: 96h LC50
  

• Organism Type: Fish ^ap
  Common Name: Rainbow trout
  Scientific Name: Oncorhynchus mykiss
  Toxicity: <250 ppm
  Test: LC50
  

• Organism Type: Fish ^ap
  Common Name: Fathead minnow
  Scientific Name: Pimephales promelas
  Toxicity: <300 ppm
  Test: LC50
  

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

• Organism Type: Mammals ^ak
  Common Name: Rat
  Scientific Name: Muridae (Family)
  Gender: Male
  Toxicity: 5545 mg/kg
  Test: LD50
  

• Organism Type: Mammals ^ak
  Common Name: Rat
  Scientific Name: Muridae (Family)
  Toxicity: 5550-6290 mg/kg bw
  Test: LD50
  

• Organism Type: Mammals ^g
  Common Name: Rat
  Scientific Name: Muridae (Family)
  Gender: Female
  Toxicity: 6293 mg/kg
  Test: LD50
  

Soil Organic Carbon/Water Partition Coefficients

• Koc: 1.02 ^k
  Formulation: log - in Flanagan silt loam
  

Octanol-Water Partition Coefficients

• Log Kow: -1 ^k
  

Work Cited